CN206698193U - RF high power wideband adaptive amplitude limit parts - Google Patents
RF high power wideband adaptive amplitude limit parts Download PDFInfo
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- CN206698193U CN206698193U CN201720445476.5U CN201720445476U CN206698193U CN 206698193 U CN206698193 U CN 206698193U CN 201720445476 U CN201720445476 U CN 201720445476U CN 206698193 U CN206698193 U CN 206698193U
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- amplitude limit
- signal
- high power
- operational amplifier
- diode circuits
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Abstract
The utility model discloses a kind of RF high power wideband adaptive amplitude limit parts, are related to radio frequency amplitude limit field.A kind of RF high power wideband adaptive amplitude limit parts, it includes coupler, time delay device, Pin diode circuits, wave detector and operational amplifier；Signal inputs from input port, and signal is output to time delay device by the straight-through end of coupler, and signal gives Pin diode circuits by being exported again after time delay device；Simultaneously, the coupled end of coupler obtains a signal, signal output part is connected with the signal input part of wave detector, and the voltage output end of wave detector is connected with the voltage input end of operational amplifier, and the voltage output end of operational amplifier is connected with the voltage input end of Pin diode circuits.The utility model is by adjusting the output voltage of operational amplifier, thus it is possible to vary radiofrequency signal output amplitude size, so as to improve the power capacity of amplitude limit parts；At the same time, it is portable preferably, the same part is can adapt to more use environments.
Description
Technical field
Radio frequency amplitude limit field is the utility model is related to, especially a kind of RF high power wideband adaptive amplitude limit parts.
Background technology
Amplitude limit parts are indispensable parts in high-power TR components, by amplitude limit parts to passing through signal amplitude size
Limitation, so as to being effectively protected to receiver.At present, the mode of amplitude limit parts has：By the wavelength of limiter diode and λ/4
The amplitude limit parts of composition, the part being made up of limiter diode and inductance, the amplitude limit parts being made up of UltraCMOS devices.Its
In, the amplitude limit parts that are made up of limiter diode and inductance, by the amplitude limit parts that UltraCMOS devices form independent of the ripple of λ/4
It is long, the volume of system is reduced, is the first choice in TR components.But its circuit must have specific amplitude limit combination of devices；It is same with this
When, because its amplitude limit output of amplitude limit parts device property have to be larger than 5dBm, these conditions all govern the selection of amplitude limit parts.
Utility model content
The purpose of this utility model is overcome the deficiencies in the prior art, there is provided a kind of RF high power wideband adaptive limit
Width part, by the output voltage for adjusting operational amplifier, thus it is possible to vary radiofrequency signal output amplitude size, so as to improve amplitude limit
The power capacity of part；At the same time, it is portable preferably, the same part is can adapt to more use environments.
The purpose of this utility model is achieved through the following technical solutions：A kind of RF high power wideband adaptive limit
Width part, it is characterised in that：It includes coupler, time delay device, Pin diode circuits, wave detector and operational amplifier；Signal
Inputted from input port, signal is output to time delay device by the straight-through end of coupler, and signal by exporting again after time delay device
Give Pin diode circuits；Meanwhile the coupled end of coupler obtains a signal, the signal input of signal output part and wave detector
End is connected, and the voltage output end of wave detector is connected with the voltage input end of operational amplifier, the voltage output end of operational amplifier
It is connected with the voltage input end of Pin diode circuits.
Further limit, described Pin diode circuits are that at least one Pin diodes are connected.
Further limit, described Pin diode circuits change Pin according to the change of the output voltage of operational amplifier
The conducting depth of diode.
Further limit, described Pin diode circuits are that at least one Pin diodes carry out parallel connection.
Further limit, described Pin diode circuits change Pin according to the change of the output voltage of operational amplifier
The depth of catheter of diode.
Further limit, described Pin diode circuits are at least one Pin diodes and corresponding operation amplifier
The one-to-one connection of device.
Further limit, described Pin diode circuits select leading for Pin diodes according to radio-frequency input signals size
Logical quantity realizes radio frequency output amplitude amplitude limit.
Further limit, described time delay device can be removed according to service condition.
Further limit, described operational amplifier inputs to Pin diodes electricity again after can carrying out primary voltage relatively
Road.
The beneficial effects of the utility model are：The utility model is by adjusting the output voltage of operational amplifier, Ke Yigai
Varying firing rate signal output amplitude size, so as to improve the power capacity of amplitude limit parts；At the same time, it is portable preferably, makes
The same part can adapt to more use environments.
Brief description of the drawings
Fig. 1 is RF high power wideband adaptive amplitude limit parts frame diagram；
Fig. 2 is Pin Diode series structure charts in Pin diode circuits；
Fig. 3 is Pin diodes in parallel structure charts in Pin diode circuits；
Fig. 4 is Pin diodes and the one-to-one connection structure diagram of corresponding operational amplifier；
Fig. 5 is circuit design drawing of the present invention.
Embodiment
The technical solution of the utility model, but the scope of protection of the utility model are described in further detail below in conjunction with the accompanying drawings
It is not limited to as described below.
A kind of as shown in figure 1, RF high power wideband adaptive amplitude limit parts, it is characterised in that：It includes coupler, prolonged
When device, Pin diode circuits, wave detector and operational amplifier；Signal inputs from input port, and signal passes through the straight of coupler
Go side is output to time delay device, and signal gives Pin diode circuits by being exported again after time delay device；Meanwhile the coupling of coupler
End obtains a signal, and signal output part is connected with the signal input part of wave detector, and voltage output end and the computing of wave detector are put
The voltage input end of big device is connected, and the voltage output end of operational amplifier is connected with the voltage input end of Pin diode circuits.
Its typical frame mode has following three kinds：
Connected as shown in Fig. 2 described Pin diode circuits are at least one Pin diodes.Pin diodes electricity
Road is according to the change of the output voltage of operational amplifier, the conducting depth of change Pin diodes.
As shown in figure 3, described Pin diode circuits, which are at least one Pin diodes, carries out parallel connection.Pin diodes electricity
Road is according to the change of the output voltage of operational amplifier, the depth of catheter of change Pin diodes.
As shown in figure 4, further limiting, described Pin diode circuits are at least one Pin diodes and corresponded to therewith
The one-to-one connection of operational amplifier.Pin diode circuits select the conducting of Pin diodes according to radio-frequency input signals size
Quantity realizes radio frequency output amplitude amplitude limit.
Further limit, described time delay device can be removed according to service condition.
Further limit, described operational amplifier inputs to Pin diodes electricity again after can carrying out primary voltage relatively
Road.
Specific work process is：Signal from input port input when, signal is output to delay by the straight-through end of coupler
Device, signal export the circuit to Pin diodes composition again after being delayed by signal；Meanwhile obtained by the coupled end of coupler
To a signal, voltage is converted to by wave detector, voltage is amplified by operational amplifier, the control source is in radio circuit
Pin diode circuits, realize its adaptive amplitude-limiting function to adjust the conducting depth of diode or cut-off.
Embodiment：
As shown in figure 5, the embodiment is the 0.5~2.5GHz high-power adaptive amplitude-limiting part of wide band radio-frequency.Substrate
Material uses Rogers 4350B, dielectric constant 3.66, substrate thickness 0.762mm.
Signal is output to 5ns delayers by the straight-through end of -40dB couplers, and signal passes through defeated again after 5ns time delay devices
Go out and give Pin diode circuits；Meanwhile the coupled end of -40dB couplers obtains the letter of a signal, signal output part and wave detector
Number input is connected, and the voltage output end of wave detector is connected with the voltage input end of AD8086 operational amplifiers, AD8086 computings
The voltage output end of amplifier is connected with the voltage input end of Pin diode circuits.
Described Pin diode circuits are that at least one Pin diodes are connected.Pin diode circuits are according to computing
The change of the output voltage of amplifier, change the conducting depth of Pin diodes.
Described above is only preferred embodiment of the present utility model, it should be understood that the utility model is not limited to herein
Disclosed form, the exclusion to other embodiment is not to be taken as, and can be used for various other combinations, modification and environment, and
It can be modified in contemplated scope described herein by the technology or knowledge of above-mentioned teaching or association area.And this area
The change and change that personnel are carried out do not depart from spirit and scope of the present utility model, then all should be in right appended by the utility model
It is required that protection domain in.
Claims (8)
- A kind of 1. RF high power wideband adaptive amplitude limit parts, it is characterised in that：It includes coupler, time delay device, Pin bis- Pole pipe circuit, wave detector and operational amplifier；Signal is inputted from input port, and signal is output to by the straight-through end of coupler to be prolonged When device, signal gives Pin diode circuits by being exported again after time delay device；Meanwhile the coupled end of coupler obtains a letter Number, signal output part is connected with the signal input part of wave detector, and the voltage output end of wave detector and the voltage of operational amplifier are defeated Enter end to be connected, the voltage output end of operational amplifier is connected with the voltage input end of Pin diode circuits.
- A kind of 2. RF high power wideband adaptive amplitude limit parts according to claim 1, it is characterised in that：Described Pin diode circuits are that at least one Pin diodes are connected.
- A kind of 3. RF high power wideband adaptive amplitude limit parts according to claim 2, it is characterised in that：Described Pin diode circuits are according to the change of the output voltage of operational amplifier, the conducting depth of change Pin diodes.
- A kind of 4. RF high power wideband adaptive amplitude limit parts according to claim 1, it is characterised in that：Described Pin diode circuits are that at least one Pin diodes carry out parallel connection.
- A kind of 5. RF high power wideband adaptive amplitude limit parts according to claim 4, it is characterised in that：Described Pin diode circuits are according to the change of the output voltage of operational amplifier, the depth of catheter of change Pin diodes.
- A kind of 6. RF high power wideband adaptive amplitude limit parts according to claim 1, it is characterised in that：Described Pin diode circuits are at least one Pin diodes and the one-to-one connection of corresponding operational amplifier.
- A kind of 7. RF high power wideband adaptive amplitude limit parts according to claim 6, it is characterised in that：Described Pin diode circuits select the conducting quantity of Pin diodes to realize that radio frequency output amplitude limits according to radio-frequency input signals size Width.
- A kind of 8. RF high power wideband adaptive amplitude limit parts according to claim 1, it is characterised in that：Described prolongs When device can be removed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720445476.5U CN206698193U (en) | 2017-04-26 | 2017-04-26 | RF high power wideband adaptive amplitude limit parts |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720445476.5U CN206698193U (en) | 2017-04-26 | 2017-04-26 | RF high power wideband adaptive amplitude limit parts |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206698193U true CN206698193U (en) | 2017-12-01 |
Family
ID=60446234
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720445476.5U Active CN206698193U (en) | 2017-04-26 | 2017-04-26 | RF high power wideband adaptive amplitude limit parts |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206698193U (en) |
-
2017
- 2017-04-26 CN CN201720445476.5U patent/CN206698193U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: No. 4, Xinye Road, High tech Zone (West), Chengdu, Sichuan 611731 Patentee after: Sichuan Huadun Defense Technology Co.,Ltd. Address before: No. 4, Xinye Road, High tech Zone (West), Chengdu, Sichuan 611731 Patentee before: CHENGDU KELAI MICROWAVE TECHNOLOGY CO.,LTD. |