CN201869164U - Miniaturized compound transmission multiplexing device - Google Patents
Miniaturized compound transmission multiplexing device Download PDFInfo
- Publication number
- CN201869164U CN201869164U CN2010206373436U CN201020637343U CN201869164U CN 201869164 U CN201869164 U CN 201869164U CN 2010206373436 U CN2010206373436 U CN 2010206373436U CN 201020637343 U CN201020637343 U CN 201020637343U CN 201869164 U CN201869164 U CN 201869164U
- Authority
- CN
- China
- Prior art keywords
- output
- input
- multiplexer
- signal
- power splitter
- 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.)
- Expired - Fee Related
Links
Images
Landscapes
- Transmitters (AREA)
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
- Superheterodyne Receivers (AREA)
Abstract
The utility model discloses a miniaturized compound transmission multiplexing device relating to a transmission device in the communication field and comprising an upper frequency converter, a lower frequency converter, a local oscillator, a first power divider, a crystal oscillator, an ASK modem, a multiplexer, a coupler, a second power divider, a switch, a power supply and the like. In the miniaturized compound transmission multiplexing device, all circuits are integrated on one printed circuit board to form a multifunctional and miniaturized compound transmission device which has the advantages of high integration, small volume, easiness in device selection, low debugging difficulty, simplicity in use, good universality and the like, is especially applied in high-frequency communication equipment as a compound transmission device for indoor and outdoor unit separation, conducts division/combination by multipath signals, and carries out transmission through one cable.
Description
Technical field
The utility model relates to the mixed biography device in a kind of communications field, is specially adapted in the HF communication canyon power supply, monitor message, an intermediate frequency, receipts intermediate-freuqncy signal be closed between road or separation and the outdoor unit and transmitted by a coaxial cable.
Background technology
At present, HF communication equipment generally is divided into indoor, outdoor unit.Adopt a coaxial cable to connect between indoor, the outdoor unit.Power supply, the monitor message that needs between indoor, the outdoor unit to transmit, send out intermediate-freuqncy signal, receive intermediate-freuqncy signal, all transmit by a coaxial cable.After wherein monitor message must be modulated, merge with receipts intermediate frequency, an intermediate frequency, power supply, the monitoring modulation signal that receives must be given the indoor unit monitoring unit after separating demodulation.
Existing various indoor, outdoor unit is separately independently in the communication equipment, multiplexer, upconverter, monitoring modulation-demodulation circuit etc. all are independently in the merging device of the multiple signals between the unit, indoor and outdoor, connect with cable each other, make the volume of transceiver big like this, complex structure, reliability is low, and sending out intermediate frequency and receiving does not have between the intermediate frequency from loop circuit, and the location is not accurate enough when breaking down.Along with the raising day by day that communication system performance is required, to high-quality, high integrated, mixed biography device demand modular, miniaturization is very urgent, this just need integrate forming various circuit, satisfies miniaturization, integrated requirement, uses simple simultaneously.
The utility model content
Technical problem to be solved in the utility model is to avoid the weak point in the above-mentioned background technology, and a kind of mixed biography device integrated, the miniaturization requirement that satisfies is provided.The utlity model has characteristics such as rationally distributed, that integrated level is high, volume is little, function is many, reduced characteristics such as the use of stube cable in the equipment, the reliability that has improved equipment and Electro Magnetic Compatibility.
For solving the problems of the technologies described above, technical solution adopted in the utility model is:
The utility model comprises upconverter, low-converter, local oscillator, first power splitter, crystal oscillator, ASK modulator-demodulator, multiplexer, coupler, second power splitter, switch and power supply, it is characterized in that: the input 1 outer sending and receiving intermediate frequency input signal of upconverter, the output 3 of upconverter is connected with the output 1 of coupler; The output 3 of coupler is connected with the senior middle school's frequency input terminal 1 of sending out of multiplexer, and the coupling output 2 of coupler is connected with the input 2 of low-converter; The output 2 of local oscillator is connected with the input 1 of first power splitter; The output 3 of first power splitter is connected with the local oscillator input 2 of upconverter, and the output 2 of first power splitter is connected with the local oscillator input 1 of low-converter; The output 3 of low-converter is connected with the input 1 of switch; The output 2 of crystal oscillator is connected with the input 1 of second power splitter; The output 3 of second power splitter is connected with the reference input 1 of local oscillator, and the output 2 of second power splitter is connected with the reference clock input 1 of ASK modulator-demodulator; The output 2 of multiplexer is connected with the input 3 of switch, and the monitoring input 3 of multiplexer is connected with the output 4 of ASK modulation-demodulation circuit, the input/output terminal 4 of multiplexer with close the crossing and link to each other, the power end 5 of multiplexer is connected with external power source; The sending out of ASK modulation-demodulation circuit, receiving end are connected with pilot signal, the output 2 of switch is connected with the receipts intermediate frequency port of mixing the biography device, the control signal end of switch is connected from encircling control signal C end with outside, and electric power output voltage V end is connected with the corresponding input voltage V end of each parts respectively;
The input 1 outer sending and receiving 70MHz intermediate frequency input signal of upconverter through the frequency mixer mixing, becomes and sends out high intermediate-freuqncy signal, after amplifying through filtering, exports from the crossing of closing of multiplexer; Receipts 70MHz intermediate frequency input signal from outdoor unit, enter from the crossing of closing of multiplexer, through arriving the input 3 of switch after the filtering, when the outside is encircled control signal selection normal communication state certainly, receipts intermediate-freuqncy signal from outdoor unit is exported by the output 2 of switch, to mixing the receipts intermediate frequency port that passes device; Send out intermediate-freuqncy signal high and advance the overcoupling device and enter low-converter, frequency conversion is the 70MHz intermediate-freuqncy signal, through arriving the input 1 of switch after the filtering, when the outside is selected when encircling from encircling control signal, 70MHz intermediate-freuqncy signal after the frequency conversion is from output 2 outputs of switch, to mixing the receipts intermediate frequency port that passes device; Crystal oscillator provides stable reference signal, after the shunt of second power splitter, reference is provided for respectively local oscillator and ASK modulation-demodulation circuit; Local oscillator produces high local oscillation signal, after the shunt of first power splitter, high local oscillation signal is provided for respectively upconverter and low-converter; The employing digital divider circuit of making a start of ASK modulation-demodulation circuit, when monitoring client sends a string TTL instruction, the Enable Pin of control chip, output ASK carrier signal realizes the ASK amplitude modulation(PAM), and receiving end is through detection, conversion of signals is become direct voltage, through relatively judgement, realize the ASK demodulation again; Power supply one road input voltage closes crossing output through after the low-pass filtering from multiplexer; Power to corresponding component after another road voltage stabilizing.
Described first power splitter is the local oscillation signal power splitter, and described second power splitter is the crystal oscillator signal power divider, and described switch is the single-pole double throw electronic switch, and described local oscillator is high local oscillator, and described multiplexer is passive four multiplexers.
As improvement of the present utility model, multiplexer can merge four road signals.The clock that the shared crystal oscillator of modulation-demodulation circuit and local oscillation circuit produces.Described upconverter is a lower side band up converter.Described upconverter both can be passive, also can be active.Described upconverter cooperates filter to realize by the one-level mixting circuit.Described modulation-demodulation circuit is the ASK modulation demodulation system.
Owing to adopted technique scheme, the obtained technological progress of the utility model is:
1, the utility model.The novel mixed biography device that all circuit are formed of this use is integrated in the printed board, has realized integrated, modularization, the miniaturization of mixed biography device.
2, connect transmission by microstrip line between each circuit block of the utility model, cancelled the application of stube cable, reduced loss and cost.
3, the utility model function ratio is more complete.The utlity model has functions such as up-conversion, monitor message modulation function, self-loop function, multiplexer.
4, the utility model is received intermediate frequency, the frequency of sending out intermediate frequency can regulate, and sending out IF-FRE promptly can identical, also can be different.Printed board does not need to change, and only needs the removable parts device, and to adapt to different engineering demands, versatility is good.
Description of drawings
Fig. 1 is the utility model principle calcspar.
Embodiment
Below in conjunction with accompanying drawing the utility model is described in further details:
Fig. 1 is the utility model electricity principle calcspar, described first power splitter is the local oscillation signal power splitter, and described second power splitter is the crystal oscillator signal power divider, and described switch is the single-pole double throw electronic switch, described local oscillator is high local oscillator, and described multiplexer is passive four multiplexers.
The effect of upconverter 1 is to send out intermediate frequency 70MHz signal transformation for sending out intermediate-freuqncy signal high; The effect of low-converter 2 is to be reduced into intermediate frequency 70MHz signal with sending out intermediate-freuqncy signal high; The effect of local oscillator 3 is to provide high local oscillation signal to upconverter 1 and low-converter 2; The effect of first power splitter 4 is that high local oscillation signal is divided into two-way; The effect of crystal oscillator 5 be make an uproar mutually for local oscillator provides low, high-purity, stable reference signal; The effect of ASK modulator-demodulator 6 is with monitoring TTL signal modulate emission and demodulate reception, realizes the Control on Communication of indoor unit and outdoor unit; Multiplexer 7 mainly is made of filter, and effect is deciliter road of realizing multiple signals, will send out intermediate frequency high, receive intermediate frequency, pilot signal and power supply and be synthesized to and close the crossing input and output; The effect of coupler 8 is the coupling part energy of sending out intermediate frequency high inputs to low-converter 2; The effect of second power splitter 9 is reference signal shunt that crystal oscillator 5 is produced; The effect of switch 10 is controlled from encircling control signal by the outside, selects the switching signal path in proper communication and intermediate frequency between ring; Power supply 11 sends the signal of telecommunication to outdoor unit by multiplexer 7 simultaneously for mixing the active circuit power supply that passes in multiplex's device, is the outdoor cabinet power supply.
The 70MHz signal is delivered to the middle frequency input terminal of upconverter 1, and the local oscillation signal of bringing with first power splitter carries out mixing, and frequency translation is passed through coupler 8 then to sending out high intermediate frequency 300MHz, enters multiplexer 7, and export at the crossing of closing of ECDC Lu Houcong multiplexer 7; The 70MHz intermediate-freuqncy signal of coming from outdoor unit is closed terminal from multiplexer 7 and is entered, and after along separate routes, exports from 2 ports.When device was in normal communication state, intermediate-freuqncy signal process switch 10 was from receiving the medium frequency output end output signal.When device is in from ring status, send out intermediate-freuqncy signal high through coupler 8 and be coupled out portion of energy, be converted to 70MHz through down-conversion 2 again, through behind the filter filtering, intermediate-freuqncy signal through switch 10 from receiving medium frequency output end output.The pilot signal of TTL form enters ASK modulation-demodulation circuit 6 after modulation, output frequency is the carrier signal of 5MHz, receiving terminal carries out detection with filtered carrier signal, obtain direct voltage, again by relatively judgement, restore the TTL monitor message that outdoor unit sends over, realize the ASK demodulation.After power supply 11 input+48V voltages close the road through multiplexer, close crossing output from multiplexer 7.Power supply 11 input voltages+12V through voltage stabilizing, provide the input voltage V that needs for each parts.
The input 1 outer sending and receiving 70MHz intermediate frequency input signal of upconverter 1, the output 3 of upconverter 1 is connected with the output 1 of coupler 8, coupler 8 output 300MHz send out high intermediate-freuqncy signal and are connected with senior middle school's frequency input terminal 1 of multiplexer 7, the coupled end 2 output 300MHz of coupler 8 send out intermediate-freuqncy signal high and are connected with the input 2 of low-converter 2, the output 2 of local oscillator 3 is connected with the input 1 of first power splitter 4, the output 3 of first power splitter 4 is connected with up-conversion 1 local oscillator input 2, the output 2 of first power splitter 4 is connected with the local oscillator input 1 of low-converter 2, the output 3 output 70MHz signals of low-converter 2 are connected with the input 1 of switch 10, the output 2 of crystal oscillator 5 is connected with the input 1 of second power splitter 9, the output 3 of second power splitter 9 is connected with the reference input 1 of local oscillator 3, the output 2 of second power splitter 9 is connected with the reference clock input 1 of ASK modulator-demodulator 6, the receipts intermediate frequency port 2 of multiplexer 7 is connected with the input 3 of switch 10, the output 2 of switch 10 is connected with the receipts intermediate frequency outbound port that mixes the biography device, the output 4 of monitoring client 3 receptions of multiplexer 7 or the modulation 5MHz signal ASK modulation-demodulation circuit 6 of emission connects, the power end 5 of multiplexer 7 is connected with outside+48V power supply, sending out of ASK modulation-demodulation circuit 6, receiving end is connected with pilot signal, the control signal C end of switch 9 is connected from encircling control signal C end with outside, and power supply 11 output voltage V ends are connected with the corresponding input voltage V end of each parts respectively.
Claims (9)
1. a miniaturization mixes and passes multiplex's device, comprise upconverter (1), low-converter (2), local oscillator (3), first power splitter (4), crystal oscillator (5), ASK modulator-demodulator (6), multiplexer (7), coupler (8), second power splitter (9), switch (10) and power supply (11), it is characterized in that: the input 1 outer sending and receiving intermediate frequency input signal of upconverter (1), the output 3 of upconverter (1) is connected with the output 1 of coupler (8); The output 3 of coupler (8) is connected with the senior middle school's frequency input terminal 1 of sending out of multiplexer (7), and the coupling output 2 of coupler (8) is connected with the input 2 of low-converter (2); The output 2 of local oscillator (3) is connected with the input 1 of first power splitter (4); The output 3 of first power splitter (4) is connected with the local oscillator input 2 of upconverter (1), and the output 2 of first power splitter (4) is connected with the local oscillator input 1 of low-converter (2); The output 3 of low-converter (2) is connected with the input 1 of switch (10); The output 2 of crystal oscillator (5) is connected with the input 1 of second power splitter (9); The output 3 of second power splitter (9) is connected with the reference input 1 of local oscillator (3), and the output 2 of second power splitter (9) is connected with the reference clock input 1 of ASK modulator-demodulator (6); The output 2 of multiplexer (7) is connected with the input 3 of switch (10), the monitoring input 3 of multiplexer (7) is connected with the output 4 of ASK modulation-demodulation circuit (6), the input/output terminal 4 of multiplexer (7) with close the crossing and link to each other, the power end 5 of multiplexer (7) is connected with external power source; The sending out of ASK modulation-demodulation circuit (6), receiving end are connected with pilot signal, the output 2 of switch (10) is connected with the receipts intermediate frequency port of mixing the biography device, the control signal end of switch (10) is connected from encircling control signal C end with outside, and power supply (11) output voltage V end is connected with the corresponding input voltage V end of each parts respectively;
The input 1 outer sending and receiving 70MHz intermediate frequency input signal of upconverter (1) through the frequency mixer mixing, becomes and sends out high intermediate-freuqncy signal, after amplifying through filtering, exports from the crossing of closing of multiplexer (7); Receipts 70MHz intermediate frequency input signal from outdoor unit, enter from the crossing of closing of multiplexer (7), through arriving the input 3 of switch (10) after the filtering, when the outside is encircled control signal selection normal communication state certainly, receipts intermediate-freuqncy signal from outdoor unit is exported by the output 2 of switch (10), to mixing the receipts intermediate frequency port that passes device; Send out intermediate-freuqncy signal high and advance overcoupling device (8) and enter low-converter (2), frequency conversion is the 70MHz intermediate-freuqncy signal, through arriving the input 1 of switch (10) after the filtering, when the outside is selected when encircling from encircling control signal, 70MHz intermediate-freuqncy signal after the frequency conversion is from output 2 outputs of switch (10), to mixing the receipts intermediate frequency port that passes device; Crystal oscillator (5) provides stable reference signal, after second power splitter (9) shunt, reference is provided for respectively local oscillator (3) and ASK modulation-demodulation circuit (6); Local oscillator (3) produces high local oscillation signal, after first power splitter (4) shunt, high local oscillation signal is provided for respectively upconverter (1) and low-converter (2); The employing digital divider circuit of making a start of ASK modulation-demodulation circuit (6), when monitoring client sends a string TTL instruction, the Enable Pin of control chip, output ASK carrier signal realizes the ASK amplitude modulation(PAM), and receiving end is through detection, conversion of signals is become direct voltage, through relatively judgement, realize the ASK demodulation again; Power supply (11) one road input voltages close crossing output through after the low-pass filtering from multiplexer (7); Power to corresponding component after another road voltage stabilizing.
2. a kind of miniaturization according to claim 1 mixes and passes multiplex's device, it is characterized in that: described first power splitter is the local oscillation signal power splitter, described second power splitter is the crystal oscillator signal power divider, described switch is the single-pole double throw electronic switch, described local oscillator is high local oscillator, and described multiplexer is passive four multiplexers.
3. a kind of miniaturization according to claim 2 mixes and passes multiplex's device, and it is characterized in that: upconverter (1), low-converter (2), local oscillator (3), first power splitter (4), crystal oscillator (5), ASK modulator-demodulator (6), multiplexer (7), coupler (8), second power splitter (9), switch (10), power supply circuit such as (11) concentrate in the printed board.
4. a kind of miniaturization according to claim 3 mixes and passes multiplex's device, and it is characterized in that: multiplexer can merge four road signals.
5. a kind of miniaturization according to claim 3 mixes and passes multiplex's device, it is characterized in that: the clock that the shared crystal oscillator of modulation-demodulation circuit and local oscillation circuit produces.
6. a kind of miniaturization according to claim 1 and 2 mixes and passes multiplex's device, and it is characterized in that: described upconverter is a lower side band up converter.
7. a kind of miniaturization according to claim 1 and 2 mixes and passes multiplex's device, and it is characterized in that: described upconverter both can be passive, also can be active.
8. a kind of miniaturization according to claim 1 and 2 mixes and passes multiplex's device, it is characterized in that: described upconverter cooperates filter to realize by the one-level mixting circuit.
9. a kind of miniaturization according to claim 1 and 2 mixes and passes multiplex's device, and it is characterized in that: described modulation-demodulation circuit is the ASK modulation demodulation system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206373436U CN201869164U (en) | 2010-12-02 | 2010-12-02 | Miniaturized compound transmission multiplexing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206373436U CN201869164U (en) | 2010-12-02 | 2010-12-02 | Miniaturized compound transmission multiplexing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201869164U true CN201869164U (en) | 2011-06-15 |
Family
ID=44140306
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206373436U Expired - Fee Related CN201869164U (en) | 2010-12-02 | 2010-12-02 | Miniaturized compound transmission multiplexing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201869164U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106019276A (en) * | 2016-08-03 | 2016-10-12 | 华讯方舟科技有限公司 | Millimeter-wave imaging device |
| CN109508477A (en) * | 2018-10-09 | 2019-03-22 | 南京沁智电子科技有限公司 | It mutually makes an uproar under a kind of vibration environment and deteriorates low clock distribution block |
-
2010
- 2010-12-02 CN CN2010206373436U patent/CN201869164U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106019276A (en) * | 2016-08-03 | 2016-10-12 | 华讯方舟科技有限公司 | Millimeter-wave imaging device |
| CN106019276B (en) * | 2016-08-03 | 2018-11-23 | 华讯方舟科技有限公司 | A kind of mm-wave imaging device |
| US11156710B2 (en) | 2016-08-03 | 2021-10-26 | China Communication Technology Co., Ltd. | Millimeter wave imaging apparatus |
| CN109508477A (en) * | 2018-10-09 | 2019-03-22 | 南京沁智电子科技有限公司 | It mutually makes an uproar under a kind of vibration environment and deteriorates low clock distribution block |
| CN109508477B (en) * | 2018-10-09 | 2023-08-18 | 南京沁智电子科技有限公司 | Clock distribution module with low phase noise degradation in vibration environment |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN206865451U (en) | Radio communication device | |
| CN109861735B (en) | Radio frequency front-end circuit and mobile terminal | |
| CN107888276B (en) | Multi-frequency band multi-mode modulation and demodulation device | |
| CN104579411B (en) | Compatible TDD and FDD wireless receiving and radiating circuit | |
| JPH01303814A (en) | Tranceiver | |
| CN109951192B (en) | Radio frequency front-end circuit and mobile terminal | |
| EP2512037B1 (en) | Radio frequency signal loopback method and outdoor unit | |
| CN109412635A (en) | A kind of spaceborne measuring and controlling equipment | |
| CN201869164U (en) | Miniaturized compound transmission multiplexing device | |
| CN201887760U (en) | UHF range miniaturized broadband multifunctional frequency-hopping transceiver | |
| CN102394698A (en) | Simulated optical fiber repeater distribution system integrated with coverage antenna | |
| CN206658201U (en) | A kind of multi-functional mixed duplexing transceiver of biography | |
| CN209266581U (en) | Multimode antenna device | |
| CN209170366U (en) | A kind of spaceborne measuring and controlling equipment | |
| CN216356719U (en) | Transceiver, chip, system on chip and chip system for increasing 2.4GHz frequency band communication distance | |
| CN216774752U (en) | Signal transmission system, electronic equipment and unmanned aerial vehicle | |
| CN208904993U (en) | A kind of double-channel wireless broadband transmission equipment | |
| CN104219007B (en) | Wireless channel module integrating frequency synthetic, frequency-modulating medium frequency amplifying, power amplifying and low pass | |
| CN209448742U (en) | Terahertz is the same as transmitting-receiving full duplex multi-carrier communications systems | |
| JPH05153049A (en) | Optical space communication equipment | |
| CN202334504U (en) | Miniaturized C-waveband transceiver device | |
| CN109245794A (en) | A kind of double-channel wireless broadband transmission equipment | |
| CN218679059U (en) | Wireless transceiver with left channel and right channel switchable for coal mining machine | |
| CN109167635B (en) | Multi-channel signal conversion device | |
| CN208094548U (en) | Satellite communication clock electricity module |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110615 Termination date: 20181202 |