CN211239795U - Ka to K wave band high-gain frequency conversion module - Google Patents
Ka to K wave band high-gain frequency conversion module Download PDFInfo
- Publication number
- CN211239795U CN211239795U CN201922345766.4U CN201922345766U CN211239795U CN 211239795 U CN211239795 U CN 211239795U CN 201922345766 U CN201922345766 U CN 201922345766U CN 211239795 U CN211239795 U CN 211239795U
- Authority
- CN
- China
- Prior art keywords
- output end
- amplifier
- frequency conversion
- input end
- unit
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Transmitters (AREA)
Abstract
The utility model discloses a Ka to K wave band high gain frequency conversion module, relating to the technical field of space radar measurement and control and space communication; the radio frequency amplification unit comprises a crystal oscillator amplification unit, a high local oscillator generation unit, a low local oscillator generation unit, a radio frequency amplification unit, a first frequency conversion unit and a second frequency conversion unit, wherein the output end of the radio frequency amplification unit is connected with the first input end of the first frequency conversion unit, the output end of the first frequency conversion unit is connected with the first input end of the second frequency conversion unit, the first output end of the crystal oscillator amplification unit is connected with the input end of the high local oscillator generation unit, the second output end of the crystal oscillator amplification unit is connected with the input end of the low local oscillator generation unit, and the output end of the high local oscillator generation unit is connected with the second input end of the first frequency conversion unit; the frequency conversion is realized through the crystal oscillator amplification unit, the high local oscillator generation unit, the low local oscillator generation unit, the radio frequency amplification unit, the first frequency conversion unit, the second frequency conversion unit and the like, and the frequency conversion has high gain and low stray performance.
Description
Technical Field
The utility model relates to a space radar observes and controls and space flight communication technical field especially relates to a Ka to K wave band high-gain frequency conversion module.
Background
In space radar measurement and control and space communication, the requirement on the receiving sensitivity of a communication system is very high, so that the system has good low-noise performance for receiving front-end low-noise amplification, and a receiving frequency conversion link has enough frequency conversion gain to amplify weak receiving signals to required power in a frequency conversion mode, so that the receiving frequency conversion module is required to have high gain and low spurious performance.
Problems with the prior art and considerations:
how to solve the technical problem of frequency conversion and high gain and low stray performance.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a Ka provides a K wave band high gain frequency conversion module, and it produces unit, low local oscillator through crystal oscillator amplification unit, high local oscillator, produces unit, radio frequency amplification unit, first frequency conversion unit and second frequency conversion unit etc. has realized the frequency conversion and has high gain and low stray capacity.
In order to solve the technical problem, the utility model discloses the technical scheme who takes is: the utility model provides a Ka is to K wave band high gain frequency conversion module, includes crystal oscillator amplifying unit, high local oscillator production unit, low local oscillator production unit, radio frequency amplifying unit, first frequency conversion unit and second frequency conversion unit, the output of radio frequency amplifying unit is connected with the first input of first frequency conversion unit, the output of first frequency conversion unit is connected with the first input of second frequency conversion unit, the first output of crystal oscillator amplifying unit is connected with the input of high local oscillator production unit, and the second output of crystal oscillator amplifying unit is connected with the input of low local oscillator production unit, the output of high local oscillator production unit is connected with the second input of first frequency conversion unit, the output of low local oscillator production unit is connected with the second input of second frequency conversion unit.
The further technical scheme is as follows: the crystal oscillator amplification unit comprises a 100MHz crystal oscillator, a first amplifier, a first power divider, a first low-pass filter and a second low-pass filter, wherein the output end of the 100MHz crystal oscillator is connected with the input end of the first amplifier, the output end of the first amplifier is connected with the input end of the first power divider, the first output end of the first power divider is connected to the high-local oscillator generation unit through the first low-pass filter, and the second output end of the first power divider is connected to the low-local oscillator generation unit through the second low-pass filter.
The further technical scheme is as follows: the high-frequency oscillator generating unit comprises a first single chip microcomputer, a first phase discriminator, a first loop filter, a first voltage-controlled oscillator, a second power divider, a frequency doubler and a first band-pass filter, wherein a first output end of the crystal oscillator amplifying unit is connected with a reference clock input end of a first connection phase discriminator, a control signal output end of the first single chip microcomputer is connected with a controlled signal receiving end of the first phase discriminator, an output end of the first phase discriminator is connected to a tuning voltage input end of the first voltage-controlled oscillator through the first loop filter, an output end of the first voltage-controlled oscillator is connected with an input end of the second power divider, a first output end of the second power divider is connected with an input end of the frequency doubler, a second output end of the second power divider is connected with a radio frequency input end of the first connection phase discriminator, and an output end of the frequency doubler is connected with an input end of the first band-pass filter, and the output end of the first band-pass filter is connected with the second input end of the first frequency conversion unit.
The further technical scheme is as follows: the low local oscillator generating unit comprises a second single chip microcomputer, a second phase discriminator, a second loop filter, a second voltage-controlled oscillator and a third power divider, a second output end of the crystal oscillator amplifying unit is connected with a reference clock input end of the second phase discriminator, a control signal output end of the second single chip microcomputer is connected with a controlled signal receiving end of the second phase discriminator, an output end of the second phase discriminator is connected with a tuning voltage input end of the second voltage-controlled oscillator through the second loop filter, an output end of the second voltage-controlled oscillator is connected with an input end of the third power divider, a first output end of the third power divider is connected with a second input end of the second frequency conversion unit, and a second output end of the third power divider is connected with a radio frequency input end of the second phase discriminator.
The further technical scheme is as follows: the radio frequency amplification unit comprises a first isolator, a second amplifier, a second band-pass filter, a third amplifier and a second isolator, wherein the output end of the first isolator is connected with the input end of the second amplifier, the output end of the second amplifier is connected with the input end of the second band-pass filter, the output end of the second band-pass filter is connected with the input end of the third amplifier, the output end of the third amplifier is connected with the output end of the second isolator, and the output end of the second isolator is connected with the first input end of the first frequency conversion unit.
The further technical scheme is as follows: the first frequency conversion unit comprises a sixth amplifier, a first frequency mixer, a third band-pass filter, a fourth amplifier, a numerical control attenuator and a fifth amplifier, the output end of the high local oscillator generating unit is connected with the input end of the sixth amplifier, the output end of the sixth amplifier is connected with the local oscillator input end of the first frequency mixer, the output end of the radio frequency amplifying unit is connected with the radio frequency input end of the first frequency mixer, the output end of the first frequency mixer is connected with the input end of the third band-pass filter, the output end of the third band-pass filter is connected to the input end of the numerical control attenuator through the fourth amplifier, the output end of the numerical control attenuator is connected with the input end of the fifth amplifier, and the output end of the fifth amplifier is connected with the first input end of the second frequency conversion unit.
The further technical scheme is as follows: the second frequency conversion unit comprises a seventh amplifier, a second frequency mixer, a third isolator, a fourth band-pass filter, an eighth amplifier, a ninth amplifier and a fourth isolator, the output end of the low local oscillator generating unit is connected with the input end of the seventh amplifier, the output end of the seventh amplifier is connected with the local oscillator input end of the second frequency mixer, the output end of the first frequency conversion unit is connected with the radio frequency input end of the second frequency mixer, the output end of the second frequency mixer is connected to the input end of the fourth band-pass filter through the third isolator, and the output end of the fourth band-pass filter is connected to the input end of the fourth isolator through the eighth amplifier and the ninth amplifier in sequence.
Adopt the produced beneficial effect of above-mentioned technical scheme to lie in:
the utility model provides a Ka is to K wave band high gain frequency conversion module, includes crystal oscillator amplifying unit, high local oscillator production unit, low local oscillator production unit, radio frequency amplifying unit, first frequency conversion unit and second frequency conversion unit, the output of radio frequency amplifying unit is connected with the first input of first frequency conversion unit, the output of first frequency conversion unit is connected with the first input of second frequency conversion unit, the first output of crystal oscillator amplifying unit is connected with the input of high local oscillator production unit, and the second output of crystal oscillator amplifying unit is connected with the input of low local oscillator production unit, the output of high local oscillator production unit is connected with the second input of first frequency conversion unit, the output of low local oscillator production unit is connected with the second input of second frequency conversion unit. The frequency conversion is realized through the crystal oscillator amplification unit, the high local oscillator generation unit, the low local oscillator generation unit, the radio frequency amplification unit, the first frequency conversion unit, the second frequency conversion unit and the like, and the frequency conversion has high gain and low stray performance.
See detailed description of the preferred embodiments.
Drawings
FIG. 1 is a schematic block diagram of the present invention;
FIG. 2 is a schematic block diagram of a crystal oscillator amplification unit according to the present invention;
fig. 3 is a schematic block diagram of a medium-high local oscillator generating unit according to the present invention;
FIG. 4 is a schematic block diagram of a low local oscillator generating unit according to the present invention;
fig. 5 is a schematic block diagram of the rf amplifying unit of the present invention;
fig. 6 is a schematic block diagram of a first frequency conversion unit in the present invention;
fig. 7 is a schematic block diagram of the second frequency conversion unit of the present invention.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the application, its application, or uses. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application, but the present application may be practiced in other ways than those described herein, and it will be apparent to those of ordinary skill in the art that the present application is not limited to the specific embodiments disclosed below.
As shown in fig. 1-7, the utility model discloses a Ka to K wave band high gain frequency conversion module, including crystal oscillator amplification unit, high local oscillator production unit, low local oscillator production unit, radio frequency amplification unit, first frequency conversion unit and second frequency conversion unit, the output of radio frequency amplification unit is connected with first frequency conversion unit's first input, first frequency conversion unit's output is connected with second frequency conversion unit's first input, crystal oscillator amplification unit's first output and high local oscillator production unit's input are connected, and crystal oscillator amplification unit's second output and low local oscillator production unit's input are connected, high local oscillator production unit's output and first frequency conversion unit's second input are connected, low local oscillator production unit's output and second frequency conversion unit's second input are connected.
The crystal oscillator amplification unit comprises a 100MHz crystal oscillator, a first amplifier, a first power divider, a first low-pass filter and a second low-pass filter, wherein the output end of the 100MHz crystal oscillator is connected with the input end of the first amplifier, the output end of the first amplifier is connected with the input end of the first power divider, the first output end of the first power divider is connected to the high-local oscillator generation unit through the first low-pass filter, and the second output end of the first power divider is connected to the low-local oscillator generation unit through the second low-pass filter.
The high-frequency oscillator generating unit comprises a first single chip microcomputer, a first phase discriminator, a first loop filter, a first voltage-controlled oscillator, a second power divider, a frequency doubler and a first band-pass filter, wherein a first output end of the crystal oscillator amplifying unit is connected with a reference clock input end of a first connection phase discriminator, a control signal output end of the first single chip microcomputer is connected with a controlled signal receiving end of the first phase discriminator, an output end of the first phase discriminator is connected to a tuning voltage input end of the first voltage-controlled oscillator through the first loop filter, an output end of the first voltage-controlled oscillator is connected with an input end of the second power divider, a first output end of the second power divider is connected with an input end of the frequency doubler, a second output end of the second power divider is connected with a radio frequency input end of the first connection phase discriminator, and an output end of the frequency doubler is connected with an input end of the first band-pass filter, and the output end of the first band-pass filter is connected with the second input end of the first frequency conversion unit.
The low local oscillator generating unit comprises a second single chip microcomputer, a second phase discriminator, a second loop filter, a second voltage-controlled oscillator and a third power divider, a second output end of the crystal oscillator amplifying unit is connected with a reference clock input end of the second phase discriminator, a control signal output end of the second single chip microcomputer is connected with a controlled signal receiving end of the second phase discriminator, an output end of the second phase discriminator is connected with a tuning voltage input end of the second voltage-controlled oscillator through the second loop filter, an output end of the second voltage-controlled oscillator is connected with an input end of the third power divider, a first output end of the third power divider is connected with a second input end of the second frequency conversion unit, and a second output end of the third power divider is connected with a radio frequency input end of the second phase discriminator.
The radio frequency amplification unit comprises a first isolator, a second amplifier, a second band-pass filter, a third amplifier and a second isolator, wherein the output end of the first isolator is connected with the input end of the second amplifier, the output end of the second amplifier is connected with the input end of the second band-pass filter, the output end of the second band-pass filter is connected with the input end of the third amplifier, the output end of the third amplifier is connected with the output end of the second isolator, and the output end of the second isolator is connected with the first input end of the first frequency conversion unit.
The first frequency conversion unit comprises a sixth amplifier, a first frequency mixer, a third band-pass filter, a fourth amplifier, a numerical control attenuator and a fifth amplifier, the output end of the high local oscillator generating unit is connected with the input end of the sixth amplifier, the output end of the sixth amplifier is connected with the local oscillator input end of the first frequency mixer, the output end of the radio frequency amplifying unit is connected with the radio frequency input end of the first frequency mixer, the output end of the first frequency mixer is connected with the input end of the third band-pass filter, the output end of the third band-pass filter is connected to the input end of the numerical control attenuator through the fourth amplifier, the output end of the numerical control attenuator is connected with the input end of the fifth amplifier, and the output end of the fifth amplifier is connected with the first input end of the second frequency conversion unit.
The second frequency conversion unit comprises a seventh amplifier, a second frequency mixer, a third isolator, a fourth band-pass filter, an eighth amplifier, a ninth amplifier and a fourth isolator, the output end of the low local oscillator generating unit is connected with the input end of the seventh amplifier, the output end of the seventh amplifier is connected with the local oscillator input end of the second frequency mixer, the output end of the first frequency conversion unit is connected with the radio frequency input end of the second frequency mixer, the output end of the second frequency mixer is connected to the input end of the fourth band-pass filter through the third isolator, and the output end of the fourth band-pass filter is connected to the input end of the fourth isolator through the eighth amplifier and the ninth amplifier in sequence.
Description of the drawings:
as shown in fig. 1, a Ka-to-K band high-gain frequency conversion module includes a crystal oscillator amplifying unit, a high local oscillator generating unit, a low local oscillator generating unit, a radio frequency amplifying unit, a first frequency conversion unit, and a second frequency conversion unit; two 100MHz clock signal output ends of the crystal oscillator amplification unit are respectively connected with the input end of a high local oscillator generation unit and the input end of a low local oscillator generation unit, the output end of the high local oscillator generation unit is connected with the input end of a first frequency conversion unit, the output end of the low local oscillator generation unit is connected with the input end of a second frequency conversion unit, the input end of the radio frequency amplification unit is connected with the external 30-31 GHz radio frequency signal input, the output end of the radio frequency amplification unit is connected with the input end of the first frequency conversion unit, the output end of the first frequency conversion unit is connected with the input end of the second frequency conversion unit, and the output end of the second frequency conversion unit outputs a K waveband 20.2-21..
As shown in fig. 2, the crystal oscillator amplifying unit includes a 100MHz crystal oscillator, a first amplifier, a first power divider, a first low-pass filter, and a second low-pass filter; the 100MHz crystal oscillator is used for generating a 100MHz clock signal, and the signal is amplified to required power by the first amplifier and then sent to the first power divider; the first power divider is used for dividing the 100MHz clock signal into two paths, and one path of 100MHz signal is effectively inhibited by the first low-pass filter and then sent to the high local oscillator generating unit as a reference clock; and the other path of 100MHz signal is effectively inhibited by the second low-pass filter and then is sent to the low local oscillator generating unit as a reference clock.
As shown in fig. 3, the high local oscillator generating unit includes a first single chip, a first phase detector, a first loop filter, a first voltage-controlled oscillator, a second power divider, a frequency doubler, and a first bandpass filter; the first voltage-controlled oscillator outputs a 10.75GHz dot frequency signal according to the input tuning control voltage; the signal is divided into two paths by the second power divider, wherein one path of 10.75GHz signal is connected to a first band-pass filter after generating a 21.5GHz signal by a frequency doubler, and the first band-pass filter effectively inhibits stray components in the 21.5GHz signal and then serves as an output end of a high local oscillation generating unit to be connected with an input end of a first frequency conversion unit; the other path of 10.75GHz signal is connected with the radio frequency input end of the first phase detector, and meanwhile, a 100MHz clock signal sent by the crystal oscillator amplification unit is connected with the reference clock input end of the first phase detector; the first phase discriminator performs frequency division phase discrimination on a 100MHz reference clock signal and a radio frequency input 10.75GHz signal in the first phase discriminator according to a control signal of the first single chip microcomputer 1, outputs corresponding control voltage, and the voltage is filtered by the first loop filter and then is used for controlling the first voltage-controlled oscillator to output a required 21.5GHz high local oscillation signal.
As shown in fig. 4, the low local oscillator generating unit includes a second single chip, a second phase detector, a second loop filter, a second voltage-controlled oscillator, and a third power divider; the second voltage-controlled oscillator outputs 11.7GHz dot frequency signals according to the input tuning control voltage; the signal is divided into two paths by a third power divider, wherein one path of 11.7GHz signal is used as the output end of a low local oscillator generating unit and is connected with the input end of a second frequency conversion unit; the other path of 11.7GHz signal is connected with the radio frequency input end of the second phase discriminator, and meanwhile, a 100MHz clock signal sent by the crystal oscillator amplification unit is connected with the reference clock input end of the second phase discriminator; and the second phase discriminator performs frequency division phase discrimination on a 100MHz reference clock signal and a radio frequency input 11.7GHz signal in the second phase discriminator according to a control signal of the second singlechip, outputs corresponding control voltage, and controls the second voltage-controlled oscillator to output a required 11.7GHz low local oscillation signal after the voltage is filtered by the second loop filter.
As shown in fig. 5, the radio frequency amplifying unit includes a first isolator, a second amplifier, a second band pass filter, a third amplifier, and a second isolator; an externally input 30-31 GHz radio frequency signal is sent into a second amplifier after passing through a first isolator, and the first isolator is used for improving radio frequency input standing waves; the radio frequency signal is amplified to sufficient power by a second amplifier and then is accessed to a second band-pass filter; the second band-pass filter is used for effectively inhibiting out-of-band spurious of 30-31 GHz signals; and then the radio frequency signal is amplified by a third amplifier, is improved by a second isolator and is output and stationed as the output of the radio frequency amplification unit to be connected to the first frequency conversion unit.
As shown in fig. 6, the first frequency conversion unit includes a sixth amplifier, a first mixer, a third band-pass filter, a fourth amplifier, a digitally controlled attenuator, and a fifth amplifier; the 21.5GHz local oscillation signal sent by the high local oscillation generating unit is amplified by a sixth amplifier and then is connected with the local oscillation input end of the first frequency mixer; the 30-31 GHz signal sent by the radio frequency amplification unit is connected with the radio frequency input end of the first mixer; the first frequency mixer mixes the two signals to generate 8.5-9.5 GHz signals, and the signals are effectively inhibited by the third band-pass filter and then connected with the fourth amplifier; the fourth amplifier is used for amplifying 8.5-9.5 GHz signals and then connected with a numerical control attenuator, and the numerical control attenuator is used for adjusting variable frequency gain; and finally, amplifying the 8.5-9.5 GHz signals to required power through a fifth amplifier, and connecting the output of the first frequency conversion unit with the first input end of the second frequency conversion unit.
As shown in fig. 7, the second frequency conversion unit includes a seventh amplifier, a second mixer, a third isolator, a fourth band-pass filter, an eighth amplifier, a ninth amplifier, and a fourth isolator; the 11.7GHz local oscillation signal sent by the low local oscillation generating unit is amplified by a seventh amplifier and then is connected with a local oscillation input end of the second frequency mixer; the 8.5-9.5 GHz signals sent by the first frequency conversion unit are connected with the intermediate frequency input end of the second frequency mixer; the second frequency mixer mixes the two signals to generate a 20.2-21.2 GHz signal, and the signal is improved by the third isolator and then is connected with the fourth band-pass filter; the fourth band-pass filter is used for effectively inhibiting mixing stray in 20.2-21.2 GHz signals and then connected with an eighth amplifier; the eighth amplifier and the ninth amplifier are used for amplifying 20.2-21.2 GHz signals and outputting K-band signals through a fourth isolator, and the fourth isolator is used for improving standing waves of a signal output port.
In the implementation case, the phase detector is a phase detector LMX2594 with a built-in VCO of TI company, the frequency multiplier is NC1780C-1424 of the middle power 13, the frequency mixer is NC17107C-1434M and NC1733C-1328 of the middle power 13, finally, the frequency conversion from the Ka frequency band signal to the K frequency band signal is realized, the frequency conversion gain is more than or equal to 70dB, the gain adjustable range is 31dB, and the clutter suppression of the output signal is less than or equal to-60 dBc.
After the application runs for a period of time in a confidential mode, the beneficial effects fed back by the technical staff are as follows:
the radio frequency input frequency and the intermediate frequency output frequency can be expanded to other frequency bands by selecting devices such as a phase discriminator, a voltage-controlled oscillator, a frequency doubler, a mixer, a band-pass filter, an amplifier and the like; and adjusting the frequency of the local oscillation signal, the frequency step and the channel gain as required. Can be applied to wider fields and meet more requirements.
Claims (7)
1. A Ka to K wave band high gain frequency conversion module which characterized in that: including crystal oscillator amplifying unit, high local oscillator generating unit, low local oscillator generating unit, radio frequency amplifying unit, first frequency conversion unit and second frequency conversion unit, the output of radio frequency amplifying unit is connected with the first input of first frequency conversion unit, the output of first frequency conversion unit is connected with the first input of second frequency conversion unit, the first output of crystal oscillator amplifying unit is connected with the input of high local oscillator generating unit, and the second output of crystal oscillator amplifying unit is connected with the input of low local oscillator generating unit, the output of high local oscillator generating unit is connected with the second input of first frequency conversion unit, the output of low local oscillator generating unit is connected with the second input of second frequency conversion unit.
2. The Ka-to-K band high-gain frequency conversion module of claim 1, wherein: the crystal oscillator amplification unit comprises a 100MHz crystal oscillator, a first amplifier, a first power divider, a first low-pass filter and a second low-pass filter, wherein the output end of the 100MHz crystal oscillator is connected with the input end of the first amplifier, the output end of the first amplifier is connected with the input end of the first power divider, the first output end of the first power divider is connected to the high-local oscillator generation unit through the first low-pass filter, and the second output end of the first power divider is connected to the low-local oscillator generation unit through the second low-pass filter.
3. The Ka-to-K band high-gain frequency conversion module of claim 1, wherein: the high-frequency oscillator generating unit comprises a first single chip microcomputer, a first phase discriminator, a first loop filter, a first voltage-controlled oscillator, a second power divider, a frequency doubler and a first band-pass filter, wherein a first output end of the crystal oscillator amplifying unit is connected with a reference clock input end of a first connection phase discriminator, a control signal output end of the first single chip microcomputer is connected with a controlled signal receiving end of the first phase discriminator, an output end of the first phase discriminator is connected to a tuning voltage input end of the first voltage-controlled oscillator through the first loop filter, an output end of the first voltage-controlled oscillator is connected with an input end of the second power divider, a first output end of the second power divider is connected with an input end of the frequency doubler, a second output end of the second power divider is connected with a radio frequency input end of the first connection phase discriminator, and an output end of the frequency doubler is connected with an input end of the first band-pass filter, and the output end of the first band-pass filter is connected with the second input end of the first frequency conversion unit.
4. The Ka-to-K band high-gain frequency conversion module of claim 1 or 2, wherein: the low local oscillator generating unit comprises a second single chip microcomputer, a second phase discriminator, a second loop filter, a second voltage-controlled oscillator and a third power divider, a second output end of the crystal oscillator amplifying unit is connected with a reference clock input end of the second phase discriminator, a control signal output end of the second single chip microcomputer is connected with a controlled signal receiving end of the second phase discriminator, an output end of the second phase discriminator is connected with a tuning voltage input end of the second voltage-controlled oscillator through the second loop filter, an output end of the second voltage-controlled oscillator is connected with an input end of the third power divider, a first output end of the third power divider is connected with a second input end of the second frequency conversion unit, and a second output end of the third power divider is connected with a radio frequency input end of the second phase discriminator.
5. The Ka-to-K band high-gain frequency conversion module of claim 1 or 2, wherein: the radio frequency amplification unit comprises a first isolator, a second amplifier, a second band-pass filter, a third amplifier and a second isolator, wherein the output end of the first isolator is connected with the input end of the second amplifier, the output end of the second amplifier is connected with the input end of the second band-pass filter, the output end of the second band-pass filter is connected with the input end of the third amplifier, the output end of the third amplifier is connected with the output end of the second isolator, and the output end of the second isolator is connected with the first input end of the first frequency conversion unit.
6. The Ka-to-K band high-gain frequency conversion module of claim 1 or 2, wherein: the first frequency conversion unit comprises a sixth amplifier, a first frequency mixer, a third band-pass filter, a fourth amplifier, a numerical control attenuator and a fifth amplifier, the output end of the high local oscillator generating unit is connected with the input end of the sixth amplifier, the output end of the sixth amplifier is connected with the local oscillator input end of the first frequency mixer, the output end of the radio frequency amplifying unit is connected with the radio frequency input end of the first frequency mixer, the output end of the first frequency mixer is connected with the input end of the third band-pass filter, the output end of the third band-pass filter is connected to the input end of the numerical control attenuator through the fourth amplifier, the output end of the numerical control attenuator is connected with the input end of the fifth amplifier, and the output end of the fifth amplifier is connected with the first input end of the second frequency conversion unit.
7. The Ka-to-K band high-gain frequency conversion module of claim 1 or 2, wherein: the second frequency conversion unit comprises a seventh amplifier, a second frequency mixer, a third isolator, a fourth band-pass filter, an eighth amplifier, a ninth amplifier and a fourth isolator, the output end of the low local oscillator generating unit is connected with the input end of the seventh amplifier, the output end of the seventh amplifier is connected with the local oscillator input end of the second frequency mixer, the output end of the first frequency conversion unit is connected with the radio frequency input end of the second frequency mixer, the output end of the second frequency mixer is connected to the input end of the fourth band-pass filter through the third isolator, and the output end of the fourth band-pass filter is connected to the input end of the fourth isolator through the eighth amplifier and the ninth amplifier in sequence.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922345766.4U CN211239795U (en) | 2019-12-24 | 2019-12-24 | Ka to K wave band high-gain frequency conversion module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922345766.4U CN211239795U (en) | 2019-12-24 | 2019-12-24 | Ka to K wave band high-gain frequency conversion module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211239795U true CN211239795U (en) | 2020-08-11 |
Family
ID=71923023
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922345766.4U Active CN211239795U (en) | 2019-12-24 | 2019-12-24 | Ka to K wave band high-gain frequency conversion module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211239795U (en) |
-
2019
- 2019-12-24 CN CN201922345766.4U patent/CN211239795U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110190861B (en) | Millimeter wave broadband receiver | |
| CN111142078A (en) | Radar radio frequency integrated system | |
| CN105553469A (en) | Low-phase noise frequency source | |
| CN113225021B (en) | Ultra-wideband constant-temperature down converter | |
| CN112087229B (en) | Miniaturized low-cost multipath low-phase-noise low-spurious point frequency source | |
| CN204886942U (en) | Integration X wave band transceiver module | |
| CN107171681B (en) | A kind of highly sensitive reception circuit of Ku wave band | |
| CN106603090B (en) | 12-channel receiving-transmitting frequency conversion channel device | |
| CN108400785A (en) | A kind of miniaturization microwave broadband victory frequency Up/Down Conversion system and calibration method | |
| CN108169720B (en) | X-band low-phase noise navigation frequency modulation continuous wave radar transmitting system | |
| CN106656227B (en) | 3-18 GHz microwave receiving front end | |
| CN211239795U (en) | Ka to K wave band high-gain frequency conversion module | |
| CN106888015B (en) | Broadband frequency agility millimeter wave frequency synthesizer | |
| CN201690414U (en) | Transceiving channel device for KA frequency converter | |
| CN207853874U (en) | A kind of miniaturization microwave broadband victory frequency Up/Down Conversion system | |
| CN212845906U (en) | Radar radio frequency integrated system | |
| CN209030193U (en) | A kind of microwave source and solid state transmitter component | |
| CN211239828U (en) | X-waveband 10Hz stepping low-stray-frequency source | |
| CN218450097U (en) | K-waveband low-group delay variation receiving module | |
| CN112737621A (en) | Down-conversion module for investigation and interference integrated equipment | |
| CN210431419U (en) | Security installations signal transceiver module | |
| CN220754811U (en) | W-band frequency synthesis module, device and apparatus | |
| CN221056648U (en) | Integrated frequency synthesizer and channel module | |
| CN218482848U (en) | Frequency synthesizer | |
| CN210745082U (en) | Up-conversion assembly applied to C-band half-duplex radio frequency assembly |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |