CN205752472U - A kind of S frequency range multiple signals combiner device - Google Patents
A kind of S frequency range multiple signals combiner device Download PDFInfo
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- CN205752472U CN205752472U CN201620110458.7U CN201620110458U CN205752472U CN 205752472 U CN205752472 U CN 205752472U CN 201620110458 U CN201620110458 U CN 201620110458U CN 205752472 U CN205752472 U CN 205752472U
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- isolation circuit
- circuit
- filtering isolation
- combiner device
- frequency range
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Abstract
The utility model discloses a kind of S frequency range multiple signals combiner device, including intermediate-freuqncy signal filtering isolation circuit, clock reference signal filtering isolation circuit and DC voltage filtering isolation circuit；Intermediate-freuqncy signal filtering isolation circuit is microstrip circuit；Clock reference signal filtering isolation circuit is the combination of microstrip circuit and lumped capacity；DC voltage filtering isolation circuit is low impedance circuit；Described intermediate-freuqncy signal filtering isolation circuit, clock reference signal filtering isolation circuit and DC voltage filtering isolation circuit use and are connected in parallel, arrange intermediate frequency signal port, clock signal port and the direct current signal port of correspondence in one end of parallel circuit, the other end is public port.This utility model ensure that intermediate-freuqncy signal low insertion loss, also has high degree of suppression to second harmonic；Achieve and intermediate-freuqncy signal is isolated, simplify design process, reduce the volume of module；Ensure that low pressure drop effect.
Description
Technical field
This utility model belongs to satellite communication field, is specifically related to a kind of S frequency range multiple signals combiner device.
Background technology
In traditional satellite communication transceiver equipment, transmitter often uses intermediate-freuqncy signal to input, by penetrating after up-conversion
The mode of frequency output；And receiver uses radiofrequency signal input, the mode of intermediate-freuqncy signal output after down coversion, simultaneously need to give
Equipment provides d. c. voltage signal and clock reference signal.If using the form being provided separately signal, seeming, equipment is external
Complication, if these multiple signals unifications being accessed by a port, design can be simplified greatly, therefore needing
Develop a kind of combiner device multi signal unification accessed by a port.
Utility model content
This utility model purpose thing overcomes the deficiencies in the prior art, it is provided that a kind of by d. c. voltage signal, 10MHz clock reference letter
Number and S frequency range intermediate-freuqncy signal carry out the module of combiner, separate between unlike signal, there is high isolation and good
Good insertion loss.
The technical solution of the utility model is: a kind of S frequency range multiple signals combiner device, including intermediate-freuqncy signal filtering isolation electricity
Road, clock reference signal filtering isolation circuit and DC voltage filtering isolation circuit；Wherein,
Described intermediate-freuqncy signal filtering isolation circuit is microstrip circuit；Described clock reference signal filtering isolation circuit is microstrip circuit
Combination with lumped capacity；Described DC voltage filtering isolation circuit is low impedance circuit；
Described intermediate-freuqncy signal filtering isolation circuit, clock reference signal filtering isolation circuit and DC voltage filtering isolation circuit are adopted
With being connected in parallel, and it is provided with individually corresponding intermediate frequency signal port, clock signal port and straight in one end of parallel circuit
Stream signal port, the other end of parallel circuit is a public port.
Preferably, also include that combiner device body, described combiner device body include top layer and bottom double-decker.
Preferably, described intermediate-freuqncy signal filtering isolation circuit, clock reference signal filtering isolation circuit and DC voltage filtering every
The top layer of described combiner device body it is arranged at from circuit.
Preferably, described bottom uses and entirely covers copper and window the design of ground connection.
Preferably, four angles of described combiner device body offer screw hole, and is fixed with screw by described screw hole
On structure.
Preferably, described public port, intermediate frequency signal port and clock signal port all use SMA radio frequency connector through walls.
Preferably, the positive pole of DC voltage filtering isolation circuit input end is welded on the pad of combiner device body by cable,
Negative pole is welded on solder terminal by cable.
Preferably, described intermediate-freuqncy signal filtering isolation circuit is S frequency range 2.4～4GHz intermediate-freuqncy signal filtering isolation circuit.
Preferably, described clock reference signal filtering isolation circuit 10MHz clock reference signal filtering isolation circuit.
In this utility model, 2.4～4GHz intermediate-freuqncy signal passages use microstrip circuit, it is ensured that intermediate-freuqncy signal low insertion loss,
Second harmonic is also had high degree of suppression and the good reflection coefficient of port simultaneously；Described 10MHz clock reference signal is filtered
Ripple isolation circuit is microstrip circuit and lumped capacity combines, it is achieved that isolates intermediate-freuqncy signal, simplifies design process, fall
The low volume of module；It is spuious, simultaneously that DC voltage filtering isolation circuit had both filtered that the supply voltage of extraneous input brings
Also intermediate-freuqncy signal and 10MHz clock reference signal to S frequency range have high isolation, reduce these signals to power supply
Impact；The most described direct current channel has low impedance operator, it is ensured that low pressure drop effect.
Accompanying drawing explanation
Fig. 1 is the structural representation of this utility model a kind of S frequency range multiple signals combiner device；
Fig. 2 is this utility model one S frequency range multiple signals combiner device internal circuit design schematic diagram；
Fig. 3 is intermediate-freuqncy signal filtering isolation circuit theory diagrams in this utility model one S frequency range multiple signals combiner device；
Fig. 4 is clock reference signal filtering isolation circuit theory diagrams in this utility model one S frequency range multiple signals combiner device；
Fig. 5 is DC voltage filtering isolation circuit theory diagrams in this utility model one S frequency range multiple signals combiner device.
Detailed description of the invention
Below in conjunction with the accompanying drawings detailed description of the invention of the present utility model is described further
As Figure 1-Figure 5, a kind of S frequency range multiple signals combiner device, including intermediate-freuqncy signal filtering isolation circuit, clock
Reference signal filtering isolation circuit and DC voltage filtering isolation circuit；Wherein,
Described intermediate-freuqncy signal filtering isolation circuit uses microstrip circuit, and (microstrip circuit includes by uniform microstrip line, coupled microstrip line and filter
Ripple device, rheostat, electric bridge, directional coupler, power divider etc. composition Passive Microstrip Circuit and frequency mixer, doubler,
The active microstrip circuit of the composition such as solid control circuit, paramp, microwave transistor amplifier), it is ensured that intermediate-freuqncy signal
Low insertion loss, has high degree of suppression and the good reflection coefficient of port to second harmonic；Described clock reference signal is filtered
Ripple isolation circuit use microstrip circuit and lumped capacity (capacitive reactance of electric capacity all concentrates on each aspect in space, on each element,
Signal between each point is moment transmission, and this Utopian capacitor model is referred to as lumped capacity) mode that combines, it is achieved
Intermediate-freuqncy signal is isolated；DC voltage filtering isolation circuit is low impedance circuit so that it is have low impedance characteristic；
Described intermediate-freuqncy signal filtering isolation circuit, clock reference signal filtering isolation circuit and DC voltage filtering isolation circuit are adopted
With being connected in parallel, and it is provided with individually the intermediate frequency signal port 2 of correspondence, clock signal port 3 and in one end of parallel circuit
Direct current signal port 4, the other end of parallel circuit is a public port 5.
Intermediate-freuqncy signal filtering isolation circuit, clock reference signal filtering isolation circuit and DC voltage filtering isolation circuit are each
Corresponding intermediate frequency signal port, clock signal port and direct current signal port input signal in described public port output signal；
Three above-mentioned road signals can also be simultaneously entered at public port, at the signal that the output of respective port is corresponding simultaneously.
This utility model includes going back combiner device body 1, and described combiner device body 1 includes top layer and bottom double-decker, its
Middle intermediate-freuqncy signal filtering isolation circuit, clock reference signal filtering isolation circuit and DC voltage filtering isolation circuit are arranged at
The top layer of described combiner device body.And bottom uses and entirely covers copper and window the design of ground connection.At combiner device body four
Offering screw hole on individual angle, combiner device body is fixed on structure by screw hole and screw, the advantage of this design
Being that earthing effect is good, for high-frequency radio frequency circuit, Earth Phase requires higher for low frequency.
And described public port 5, intermediate frequency signal port 2 and clock signal port 3 all use SMA radio frequency connector through walls (
Claiming SMA radio frequency connector, be a kind of widely used small-sized threaded coaxial connector, it has bandwidth, performance
Excellent, highly reliable and life-span length feature principal agent connects radio frequency electrical be applicable to the loop of rf of microwave equipment and digital communication system
Cable or microstrip line), the thickness of part through walls is equal to structure thickness, through walls after radio frequency heart yearn use flat mentality of designing,
Being welded on the microstrip line of each port, the purpose so processed is to reduce the impact on each port reflection coefficient to greatest extent.
Additionally the positive pole of DC voltage filtering isolation circuit input end is welded on the pad of combiner device body by cable, and negative pole leads to
Cross cable to be welded on solder terminal, be then fastened on described structural member by screw, so process highly versatile.
The filtering isolation circuit of intermediate-freuqncy signal described in this utility model is S frequency range 2.4～4GHz intermediate-freuqncy signal filtering isolation circuit,
Described clock reference signal filtering isolation circuit 10MHz clock reference signal filtering isolation circuit.
Wherein, 2.4～4GHz intermediate-freuqncy signal filtering have employed the implementation of microstrip circuit every circuit, first ensure that intermediate frequency
In the case of signal low insertion loss, increase the suppression to second harmonic to greatest extent；Suppression to second harmonic, uses
Micro-strip 1/4 wavelength adds the mode that lumped capacity combines, and lumped capacity can finely tune the trap frequency of second harmonic.
The isolation of direct current and 10MHz clock reference signal mainly uses lumped capacity to realize, and the magnitude relationship of electric capacity is to intermediate frequency
Isolation between signal and clock signal and insertion loss.
10MHz clock reference signal filtering isolation main circuit direct current to be solved and the isolating problem of intermediate-freuqncy signal, direct current signal every
Simple from relatively processing, port uses capacitance, and the isolation to intermediate-freuqncy signal and intermediate frequency second harmonic is problem
Key, this utility model uses the mode that segmentation 1/4 wave microstrip circuit and multiple lumped capacity combine, by clock reference
Signal controls in the scope required with the isolation of intermediate-freuqncy signal and the second harmonic of intermediate-freuqncy signal, the isolation of actual design
More than 70dB.
In DC voltage filtering isolation circuit, use sized capacitors collocation suppression power supply spuious, the selection of inductance in isolation circuit
Being the key of problem, the isolation inhibitory action having had 10MHz clock signal and S frequency range intermediate frequency, inductance can not be too
Little, and the inductance too greatly often resistance of self can increase, and when the electric current that this utility model passes through is bigger, can produce excessive
Pressure drop, so that the voltage being input to equipment reduces too many, has influence on power adaptation test.
By above design, the insertion loss of this utility model S frequency range intermediate-freuqncy signal passage is less than 1dB, S frequency range intermediate-freuqncy signal
The reflection coefficient of input, 10MHz clock reference signal input and common port is respectively less than-20dB.
This utility model by using the way of realization of microstrip circuit to 2.4～4GHz intermediate-freuqncy signal passages, it is ensured that intermediate frequency is believed
Number low insertion loss, also has high degree of suppression and the good reflection coefficient of port simultaneously to second harmonic；Described 10MHz
Clock reference signal filtering isolation circuit uses the mode that microstrip circuit and lumped capacity combine, it is achieved that to intermediate-freuqncy signal every
From, simplify design process, reduce the volume of module；DC voltage filtering isolation circuit had both filtered the electricity of extraneous input
It is spuious that source voltage brings, and the most also intermediate-freuqncy signal and 10MHz clock reference signal to S frequency range have high isolation,
Reduce the impact on power supply of these signals；The most described direct current channel has low impedance operator, it is ensured that low pressure drop effect.
The announcement of book and guidance according to the above description, this utility model those skilled in the art can also be to above-mentioned embodiment party
Formula changes and revises.Therefore, this utility model is not limited to detailed description of the invention disclosed and described above, to reality
Should also be as falling in scope of the claims of the present utility model by some novel modifications and changes.Although additionally, originally
Description employs some specific terms, but these terms are merely for convenience of description, this utility model is not constituted
Any restriction.
Claims (9)
1. a S frequency range multiple signals combiner device, it is characterised in that include intermediate-freuqncy signal filtering isolation circuit, clock ginseng
Examine signal filtering isolation circuit and DC voltage filtering isolation circuit；Wherein,
Described intermediate-freuqncy signal filtering isolation circuit is microstrip circuit；Described clock reference signal filtering isolation circuit is microstrip circuit
Combination with lumped capacity；Described DC voltage filtering isolation circuit is low impedance circuit；
Described intermediate-freuqncy signal filtering isolation circuit, clock reference signal filtering isolation circuit and DC voltage filtering isolation circuit are adopted
With being connected in parallel, and it is respectively arranged with single intermediate frequency signal port, clock signal port in one end of described parallel circuit
With direct current signal port, the other end of parallel circuit is a public port.
2. a kind of S frequency range multiple signals combiner device as claimed in claim 1, it is characterised in that also include combiner device
Body, described combiner device body includes top layer and bottom double-decker.
3. a kind of S frequency range multiple signals combiner device as claimed in claim 2, it is characterised in that described intermediate-freuqncy signal is filtered
Ripple isolation circuit, clock reference signal filtering isolation circuit and DC voltage filtering isolation circuit are arranged at described combiner device
The top layer of body.
4. a kind of S frequency range multiple signals combiner device as claimed in claim 2, it is characterised in that described bottom uses complete
Cover copper to window the design of ground connection.
5. a kind of S frequency range multiple signals combiner device as claimed in claim 2, it is characterised in that described combiner device is originally
Offering screw hole on four angles of body, described combiner device body is fixed on structure by described screw hole.
6. a kind of S frequency range multiple signals combiner device as claimed in claim 1, it is characterised in that described public port,
Intermediate frequency signal port and clock signal port all use SMA radio frequency connector through walls.
7. a kind of S frequency range multiple signals combiner device as claimed in claim 1, it is characterised in that described unidirectional current filter pressing
The positive pole of ripple isolation circuit input end is welded on the pad of combiner device body by cable, and negative pole is welded on weldering by cable
On connecting terminal.
8. a kind of S frequency range multiple signals combiner device as claimed in claim 1, it is characterised in that described intermediate-freuqncy signal is filtered
Ripple isolation circuit is S frequency range 2.4～4GHz intermediate-freuqncy signal filtering isolation circuit.
9. a kind of S frequency range multiple signals combiner device as claimed in claim 1, it is characterised in that described clock reference is believed
Number filtering isolation circuit 10MHz clock reference signal filtering isolation circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620110458.7U CN205752472U (en) | 2016-02-03 | 2016-02-03 | A kind of S frequency range multiple signals combiner device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620110458.7U CN205752472U (en) | 2016-02-03 | 2016-02-03 | A kind of S frequency range multiple signals combiner device |
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| Publication Number | Publication Date |
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| CN205752472U true CN205752472U (en) | 2016-11-30 |
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Family Applications (1)
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| CN201620110458.7U Active CN205752472U (en) | 2016-02-03 | 2016-02-03 | A kind of S frequency range multiple signals combiner device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110247670A (en) * | 2019-07-16 | 2019-09-17 | 南京创吉信息科技有限公司 | A kind of co-shunt circuit structure of receiver output port |
| CN110429945A (en) * | 2019-08-07 | 2019-11-08 | 广州海格通信集团股份有限公司 | Power amplifier day tune and Airborne Terminal |
-
2016
- 2016-02-03 CN CN201620110458.7U patent/CN205752472U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110247670A (en) * | 2019-07-16 | 2019-09-17 | 南京创吉信息科技有限公司 | A kind of co-shunt circuit structure of receiver output port |
| CN110429945A (en) * | 2019-08-07 | 2019-11-08 | 广州海格通信集团股份有限公司 | Power amplifier day tune and Airborne Terminal |
| CN110429945B (en) * | 2019-08-07 | 2024-03-12 | 广州海格通信集团股份有限公司 | Power amplifier antenna adjuster and airborne terminal |
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