CN203734621U - PLL-CS wave-band multifunctional frequency demultiplier in dual-polarization integrated circuit structure - Google Patents
PLL-CS wave-band multifunctional frequency demultiplier in dual-polarization integrated circuit structure Download PDFInfo
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- CN203734621U CN203734621U CN201320560455.XU CN201320560455U CN203734621U CN 203734621 U CN203734621 U CN 203734621U CN 201320560455 U CN201320560455 U CN 201320560455U CN 203734621 U CN203734621 U CN 203734621U
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Abstract
The utility model relates to a PLL-CS wave-band multifunctional frequency demultiplier in a dual-polarization integrated circuit structure, and the frequency demultiplier is provided with a horizontally-polarized antenna, a first amplifier, a second amplifier, a first filter, a vertically-polarized antenna, a third amplifier, a fourth amplifier, a second filter, and an integrated circuit, wherein the horizontally-polarized antenna, the first amplifier, the second amplifier and the first filter are sequentially connected, and the vertically-polarized antenna, the third amplifier, the fourth amplifier, the second filter and the integrated circuit are sequentially connected. The integrated circuit consists of a polarized exchanger connected with the output ends of the two filters, a fifth amplifier, a first wave mixer, a first intermediate frequency amplifier, a sixth amplifier, a second wave mixer, a second intermediate frequency amplifier, and a frequency reference input port group, wherein the fifth amplifier, the first wave mixer and the first intermediate frequency amplifier are sequentially connected and disposed at the output end of one filter, and the sixth amplifier, the second wave mixer, the second intermediate frequency amplifier and the frequency reference input port group are sequentially connected and disposed at the output end of the other filter. A programmable frequency synthesizer comprises a phase-locked loop, and the output end of the phase-locked loop is connected with the input end of an oscillator. The output end of the oscillator is connected with the two wave mixers. The frequency demultiplier can achieve the change of an input wave band and the change of an output pattern, is flexible and convenient in application, is stable in output frequency, is low in noise, is simple in circuit, is low in difficulty of production, and is easy and convenient to maintain.
Description
[technical field]
The utility model belongs to short-wave communication tedhnology field, relate in particular to a kind of be applied to satellite communication field can dual polarization integrated circuit structure the multi-functional frequency demultiplier of PLL-CS wave band.
[background technology]
In recent years, telstar receiver flourish, countries in the world are develop actively live telecast satellite (DVB-S) invariably, driven the industry development of wireless high-frequency communication system thereupon, also make domestic and international satellite digital television receiving system industry flourish, not only earn a large amount of foreign exchanges for China every year, also increase domestic careers market.The wave bands such as dbs receiver frequency of utilization frequency band Ku, C, S, the downward signal of satellite of each wave band is first by antenna reception, again through the amplification of tuner and the first intermediate-freuqncy signal of down-conversion formation 950MHz-2150MHz, then be sent to the high-frequency tuner of receiver through cable, high-frequency tuner is according to the frequency of required reception, by PLL(phase-locked loop) loop control local oscillator frequency, input signal frequency conversion is become to the second intermediate-freuqncy signal of 479.5MHz, after processing finally by the signal by receiver, television set broadcasts signal of video signal and audio signal.
At present, the existing C-band telstar low noise frequency reducing amplifier that contains a radiofrequency signal output or two radiofrequency signal outputs all uses traditional circuit design, be that circuit is by separate type module composition, include low noise amplifier, C-band cavity oscillator, C-band mixer and intermediate frequency amplifier, for example telstar on the market receives low noise amplifier C-Band, it adopts separate type module composition, it is cavity oscillator, intermediate frequency triode amplifier and voltage control integrated circuit, line construction is comparatively complicated, frequency of oscillation is easily drifted about, between the components and parts of separate type, easily disturb, cause output frequency unstable, television image is unintelligible, unstable, and line construction complexity, technological process is comparatively complicated, production difficulty is large, production process fraction defective is higher, defective products is many, all causes very large waste, in addition at human and material resources with on the time, the screw that these amplifiers all will be adjusted on dielectric cavity oscillator could be realized frequency adjustment, uses, operates extremely inconvenient.
[utility model content]
In order to solve the above-mentioned technical problem existing in prior art, the utility model provides a kind of realize input wave band and the variation of exporting kenel, use flexibly, conveniently, output frequency is stable, noise is low, line construction is simple, production difficulty and product fraction defective are low, use operation and maintenance easily, the multi-functional frequency demultiplier of PLL-CS wave band of dual polarization integrated circuit structure easily and efficiently.
The technical scheme that the utility model solution prior art problem adopts is:
A kind of multi-functional frequency demultiplier of PLL-CS wave band of dual polarization integrated circuit structure, include horizontally-polarized antenna, the first amplifier, the second amplifier, the first filter that conducting successively connects, conducting connects successively vertical polarized antenna, the 3rd amplifier, the 4th amplifier, the second filter, and the integrated circuit being connected with the output conducting of described the first filter and the second filter; Described integrated circuit mainly by polarization interchanger, the 5th amplifier, the 6th amplifier, the first mixer, the second mixer, oscillator, can program frequency synthesizer, the first intermediate frequency amplifier, the second intermediate frequency amplifier and frequency reference input port form; The input of described polarization interchanger is connected with the output conducting of described the first filter and the second filter, its two output is respectively equipped with described the 5th amplifier, the first mixer, the first intermediate frequency amplifier and conducting is connected successively the 6th amplifier, the second mixer, the second intermediate frequency amplifier that conducting successively connects, and forms the first medium frequency output end mouth and the second medium frequency output end mouth; Describedly can comprise phase-locked loop by program frequency synthesizer, its output is connected with the input conducting of described oscillator, and the output of described oscillator is all connected with described the first mixer and the second mixer conducting.
Further, described multi-functional frequency demultiplier is dual polarization list output frequency demultiplier, and also comprising gains merit closes device, and the input that described merit is closed device is connected with described the first medium frequency output end mouth and the second medium frequency output end mouth conducting.
Further, to close device be power splitter to described merit.
Further, described the first amplifier, the second amplifier, the 3rd amplifier, the 4th amplifier, the 5th amplifier, the 6th amplifier, the first intermediate frequency amplifier and the second intermediate frequency amplifier are complementary metal oxide semiconductors (CMOS) triode amplifier; Described the first filter and the second filter are band pass filters.
Further, described can program frequency synthesizer be a digital multiplier that program is adjustable.
Further, the length of described horizontally-polarized antenna is the quarter-wave of certain frequency in C/S wave band, and the microwave waveguide tube wall on the described multi-functional frequency demultiplier of its placement location distance is the quarter-wave of certain frequency in C/S wave band; The length of described vertical polarized antenna is the quarter-wave of certain frequency in C/S wave band, and the upper reflection rod of the described multi-functional frequency demultiplier of its placement location distance is the quarter-wave of certain frequency in C/S wave band.
Further, the quarter-wave that the excellent distance microwave wave guide wall of described reflection is certain frequency in C/S wave band.
Further, the described reflection rod of the length of the described microwave waveguide tube wall of the length of described horizontally-polarized antenna and placement location thereof distance, described vertical polarized antenna and placement location distance thereof, the excellent distance microwave wave guide wall of described reflection be C-band 1.857cm～2.2cm wavelength 1/4th or S-band 2.78cm～3.26cm wavelength 1/4th.
The beneficial effects of the utility model:
The utility model passes through technique scheme, user is two outputs of exchange polarization interchanger and the input link position of the 5th amplifier and the 6th amplifier according to actual needs, realize the utility model frequency demultiplier input wave band and the variation of exporting kenel, use flexibly, conveniently, output frequency is stable, noise is lower, and adopted integrated integrated circuit, and line construction is simplified greatly, and production difficulty and product fraction defective are also obviously reduced thereupon; And adopt comprise phase-locked loop can program frequency synthesizer, the frequency of oscillation forming is difficult for drift, the signal that television set receives is more stable, television image is more clear, more stable, and in the time producing can for multiaspect more to customer demand, can complete the switching of C/S wave band and local frequency adjustment by rewriting the vibration of programmable frequency synthesizer and adjusting voltage, more can under dual output pattern, allow two users can select horizontal polarization output or perpendicular polarization output simultaneously simultaneously, use easy to operate.
In addition, this multi-functional frequency demultiplier also comprises the meritorious device that closes, form dual polarization list output frequency demultiplier, realize on single intermediate-freuqncy signal output port and to have obtained dual polarized signals, further simplified the wiring circuit between the multi-functional frequency demultiplier of the utility model and TV, operation and maintenance is lighter, more convenient, faster.
[brief description of the drawings]
Fig. 1 is the structural principle schematic block diagram of the multi-functional frequency demultiplier embodiment mono-dual polarization dual output state of the PLL-CS wave band of dual polarization integrated circuit structure described in the utility model;
Fig. 2 is the structural principle schematic block diagram of the multi-functional frequency demultiplier embodiment mono-single polarization independence output state of the PLL-CS wave band of dual polarization integrated circuit structure described in the utility model;
Fig. 3 is the structural principle schematic block diagram of the multi-functional frequency demultiplier embodiment bis-of PLL-CS wave band of dual polarization integrated circuit structure described in the utility model.
[embodiment]
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein is only in order to explain the utility model, and be not used in restriction the utility model.
Embodiment mono-:
As shown in Figures 1 and 2, the utility model embodiment provides a kind of multi-functional frequency demultiplier of PLL-CS wave band of dual polarization integrated circuit structure, include horizontally-polarized antenna 1, the first amplifier 2, the second amplifier 3, the first filter 4 that conducting successively connects, conducting connects successively vertical polarized antenna 5, the 3rd amplifier 6, the 4th amplifier 7, the second filter 8, and the integrated circuit 9 being connected with the output conducting of the first filter 4 and the second filter 8.Described integrated circuit 9 mainly by polarization interchanger 91, the 5th amplifier 92, the 6th amplifier 93, the first mixer 94, the second mixer 95, oscillator 96, can program frequency synthesizer 97, the first intermediate frequency amplifier 98, the second intermediate frequency amplifier 99 and frequency reference input port 90 form; The input of described polarization interchanger 91 is connected with the output conducting of the first filter 4 and the second filter 8, its two output is respectively equipped with the 5th amplifier 92, the first mixer 94, the first intermediate frequency amplifier 98 and conducting is connected successively the 6th amplifier 93, the second mixer 95, the second intermediate frequency amplifier 99 that conducting successively connects, and forms the first medium frequency output end mouth 981 and the second medium frequency output end mouth 991; Describedly can comprise phase-locked loop by program frequency synthesizer 97, its output is connected with the input conducting of oscillator 96, and the output of described oscillator 96 is all connected with the first mixer 94 and the second mixer 95 conductings; And first amplifier 2, the second amplifier 3, the 3rd amplifier 6, the 4th amplifier 7, the 5th amplifier 92, the 6th amplifier 93, the first intermediate frequency amplifier 98 and the second intermediate frequency amplifier 99 are complementary metal oxide semiconductors (CMOS) triode amplifier (being microwave field effect electric crystal); Described the first filter 4 and the second filter 8 are band pass filters; the length of described horizontally-polarized antenna 1 is the quarter-wave (being 1.857cm～2.2cm/2.78cm～3.26cm) of certain frequency in C/S wave band (3.4GHz～4.2GHz/2.3GHz～2.7GHz), microwave plumbing (not showing in figure) tube wall on the described multi-functional frequency demultiplier of its placement location distance is the quarter-wave of certain frequency in C/S wave band (3.4GHz～4.2GHz/2.3GHz～2.7GHz), the length of described vertical polarized antenna 5 is the quarter-wave (being 1.857cm～2.2cm/2.78cm～3.26cm) of certain frequency in C/S wave band, and the quarter-wave (being 1.857cm～2.2cm/2.78cm～3.26cm) that the upper reflection rod (not showing in figure) of the described multi-functional frequency demultiplier of its placement location distance is certain frequency (3.4GHz～4.2GHz/2.3GHz～2.7GHz) in C/S wave band, the quarter-wave (being 1.857cm～2.2cm/2.78cm～3.26cm) that the excellent distance microwave wave guide wall of described reflection is certain frequency in C/S wave band (3.4GHz～4.2GHz/2.3GHz～2.7GHz), to reach the effect that signal strength signal intensity is the strongest.
The operation principle of the multi-functional frequency demultiplier of PLL-CS wave band of dual polarization integrated circuit structure described in the utility model is: first, horizontally-polarized antenna 1 and vertical polarized antenna 5 receive after microwave signal (horizontal signal and vertical signal), send respectively the first amplifier 2 to and the 3rd amplifier 6 amplifies processing, and be sent to respectively the second amplifier 3 and the 4th amplifier 7; Then, the second amplifier 3 and the 4th amplifier 7 will be sent to the first filter 4 and the second filter 8 through amplifying after the microwave signal of processing is amplified again, the first filter 4 and the second filter 8 carry out filtering, noise reduction to the out-of-band noise in horizontal signal, the vertical signal of input respectively, export polarization interchanger 91 to; Then, two outputs of polarization interchanger 91 can be connected with the input exchange of the 5th amplifier 92 and the 6th amplifier 93 respectively according to actual needs, five amplifiers 92 and the 6th amplifier 93 can provide amplification stiffening effect to horizontal signal and the vertical signal of polarization interchanger 71 outputs, and exporting respectively the first mixer 94 and the second mixer 95 to, oscillator 96 produces local oscillated signal and is transferred to the first mixer 94 and the second mixer 95 simultaneously; Finally, the first mixer 94 and the second mixer 95 are sent to the first intermediate frequency amplifier 98 after local oscillated signal is mixed, reduces to intermediate-freuqncy signal with horizontal signal, vertical signal and the second intermediate frequency amplifier 99 amplifies, and export from the first medium frequency output end mouth 981 and the second medium frequency output end mouth 991.
Like this, user is two outputs of exchange polarization interchanger 91 and the input link position of the 5th amplifier 92 and the 6th amplifier 93 according to actual needs, realize the utility model frequency demultiplier input wave band and the variation (dual polarization dual output and single polarization are independently exported) of exporting kenel, use flexibly, convenient, output frequency is stable, noise is lower, and adopt integrated integrated circuit 9 to replace the low noise amplifier of traditional separation design, C/S wave band cavity oscillator, C/S wave band mixer and intermediate frequency amplifier, line construction is simplified greatly, production difficulty and product fraction defective are also obviously reduced thereupon, and adopt comprise phase-locked loop can program frequency synthesizer 97, the frequency of oscillation forming is difficult for drift, the signal that television set receives is more stable, television image is more clear, more stable, and in the time producing can for multiaspect more to customer demand, can complete the switching of C/S wave band and local frequency adjustment by rewriting the vibration of programmable frequency synthesizer 97 and adjusting voltage, more can under dual output pattern, allow two users can select horizontal polarization output or perpendicular polarization output simultaneously simultaneously, use easy to operate.
Embodiment bis-:
As shown in Figure 3, utility model embodiment bis-provides a kind of multi-functional frequency demultiplier of PLL-CS wave band of dual polarization integrated circuit structure, its structure and embodiment mono-are basic identical, include horizontally-polarized antenna 1, the first amplifier 2, the second amplifier 3, the first filter 4 that conducting successively connects, conducting connects successively vertical polarized antenna 5, the 3rd amplifier 6, the 4th amplifier 7, the second filter 8, and the integrated circuit 9 being connected with the output conducting of the first filter 4 and the second filter 8; Described integrated circuit 9 mainly by polarization interchanger 91, the 5th amplifier 92, the 6th amplifier 93, the first mixer 94, the second mixer 95, oscillator 96, can program frequency synthesizer 97, the first intermediate frequency amplifier 98, the second intermediate frequency amplifier 99 and frequency reference input port 90 form.Its difference is only: described multi-functional frequency demultiplier is dual polarization list output frequency demultiplier, and also comprising gains merit closes device 10, and it is power splitters that described merit is closed device 10, and its input is connected with described the first medium frequency output end mouth 981 and the second medium frequency output end mouth 991 conductings.Like this, closing device 10 by this merit can realize on single intermediate-freuqncy signal output port and to obtain dual polarized signals (horizontal signal and vertical signal), further simplified the wiring circuit between the multi-functional frequency demultiplier of the utility model and TV, operation and maintenance is lighter, more convenient, faster.
Above content is in conjunction with concrete optimal technical scheme further detailed description of the utility model, can not assert that concrete enforcement of the present utility model is confined to these explanations.For the utility model person of an ordinary skill in the technical field, without departing from the concept of the premise utility, can also make some simple deduction or replace, all should be considered as belonging to protection range of the present utility model.
Claims (8)
1. the multi-functional frequency demultiplier of PLL-CS wave band of a dual polarization integrated circuit structure, include horizontally-polarized antenna (1), the first amplifier (2), the second amplifier (3), the first filter (4) that conducting successively connects, conducting connects successively vertical polarized antenna (5), the 3rd amplifier (6), the 4th amplifier (7), the second filter (8), and the integrated circuit (9) being connected with the output conducting of described the first filter (4) and the second filter (8); It is characterized in that: described integrated circuit (9) mainly by polarization interchanger (91), the 5th amplifier (92), the 6th amplifier (93), the first mixer (94), the second mixer (95), oscillator (96), can program frequency synthesizer (97), the first intermediate frequency amplifier (98), the second intermediate frequency amplifier (99) and frequency reference input port (90) form; The input of described polarization interchanger (91) is connected with the output conducting of described the first filter (4) and the second filter (8), its two output is respectively equipped with described the 5th amplifier (92), the first mixer (94), the first intermediate frequency amplifier (98) and conducting is connected successively the 6th amplifier (93), the second mixer (95), the second intermediate frequency amplifier (99) that conducting successively connects, and forms the first medium frequency output end mouth (981) and the second medium frequency output end mouth (991); Describedly can comprise phase-locked loop by program frequency synthesizer (97), its output is connected with the input conducting of described oscillator (96), and the output of described oscillator (96) is all connected with described the first mixer (94) and the second mixer (95) conducting.
2. the multi-functional frequency demultiplier of PLL-CS wave band of dual polarization integrated circuit structure according to claim 1, it is characterized in that: described multi-functional frequency demultiplier is dual polarization list output frequency demultiplier, also comprising gains merit closes device (10), and the input that described merit is closed device (10) is connected with described the first medium frequency output end mouth (981) and the second medium frequency output end mouth (991) conducting.
3. the multi-functional frequency demultiplier of PLL-CS wave band of dual polarization integrated circuit structure according to claim 2, is characterized in that: it is power splitter that described merit is closed device (10).
4. according to the multi-functional frequency demultiplier of PLL-CS wave band of the dual polarization integrated circuit structure described in claim 1 or 2 or 3, it is characterized in that: described the first amplifier (2), the second amplifier (3), the 3rd amplifier (6), the 4th amplifier (7), the 5th amplifier (92), the 6th amplifier (93), the first intermediate frequency amplifier (98) and the second intermediate frequency amplifier (99) are complementary metal oxide semiconductors (CMOS) triode amplifier; Described the first filter (4) and the second filter (8) are band pass filters.
5. the multi-functional frequency demultiplier of PLL-CS wave band of dual polarization integrated circuit structure according to claim 4, is characterized in that: described can program frequency synthesizer (97) be a digital multiplier that program is adjustable.
6. according to the multi-functional frequency demultiplier of PLL-CS wave band of the dual polarization integrated circuit structure described in claim 1 or 2 or 3, it is characterized in that: the length of described horizontally-polarized antenna (1) is the quarter-wave of certain frequency in C/S wave band, the microwave waveguide tube wall on the described multi-functional frequency demultiplier of its placement location distance is the quarter-wave of certain frequency in C/S wave band; The length of described vertical polarized antenna (5) is the quarter-wave of certain frequency in C/S wave band, and the upper reflection rod of the described multi-functional frequency demultiplier of its placement location distance is the quarter-wave of certain frequency in C/S wave band.
7. the multi-functional frequency demultiplier of PLL-CS wave band of dual polarization integrated circuit structure according to claim 6, is characterized in that: the quarter-wave that the excellent distance microwave wave guide wall of described reflection is certain frequency in C/S wave band.
8. the multi-functional frequency demultiplier of PLL-CS wave band of dual polarization integrated circuit structure according to claim 7, is characterized in that: 1/4th of the length of the length of described horizontally-polarized antenna (1) and the described microwave waveguide tube wall of placement location distance thereof, described vertical polarized antenna (2) and 1/4th or S-band 2.78cm～3.26cm wavelength that the described reflection of placement location distance is excellent, the excellent distance microwave wave guide wall of described reflection is C-band 1.857cm～2.2cm wavelength thereof.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320560455.XU CN203734621U (en) | 2013-09-10 | 2013-09-10 | PLL-CS wave-band multifunctional frequency demultiplier in dual-polarization integrated circuit structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320560455.XU CN203734621U (en) | 2013-09-10 | 2013-09-10 | PLL-CS wave-band multifunctional frequency demultiplier in dual-polarization integrated circuit structure |
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| CN203734621U true CN203734621U (en) | 2014-07-23 |
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| CN201320560455.XU Expired - Fee Related CN203734621U (en) | 2013-09-10 | 2013-09-10 | PLL-CS wave-band multifunctional frequency demultiplier in dual-polarization integrated circuit structure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103490730A (en) * | 2013-09-10 | 2014-01-01 | 珠海市百音电子科技有限公司 | PLL-CS waveband multifunctional frequency down converter with dual-polarized integrated circuit structure |
-
2013
- 2013-09-10 CN CN201320560455.XU patent/CN203734621U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103490730A (en) * | 2013-09-10 | 2014-01-01 | 珠海市百音电子科技有限公司 | PLL-CS waveband multifunctional frequency down converter with dual-polarized integrated circuit structure |
| CN103490730B (en) * | 2013-09-10 | 2017-04-05 | 珠海市百音电子科技有限公司 | The multi-functional frequency demultiplier of PLL CS wave bands of dual polarization integrated circuit structure |
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Effective date of registration: 20160202 Address after: Nanping Town Xiangzhou District Guangdong city Zhuhai province 519000 Guang Sheng Industrial Zone No. 39 two floor East Road Guangzhou Patentee after: Zhuhai pusisat Technology Co. Ltd. Address before: Pingtung 519000 Guangdong Province, Zhuhai city Xiangzhou District Nanping Technology Industrial Park Road No. 5 building two floor five Patentee before: Zhuhai City hundred sounds electronic Science and Technology Ltd.s |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140723 Termination date: 20170910 |
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| CF01 | Termination of patent right due to non-payment of annual fee |