CN207266159U - One kind of multiple Frequency Band Selections mix single cable signal output high-frequency tuner - Google Patents
One kind of multiple Frequency Band Selections mix single cable signal output high-frequency tuner Download PDFInfo
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- CN207266159U CN207266159U CN201721250232.8U CN201721250232U CN207266159U CN 207266159 U CN207266159 U CN 207266159U CN 201721250232 U CN201721250232 U CN 201721250232U CN 207266159 U CN207266159 U CN 207266159U
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- frequency
- frequency amplifier
- amplifier
- signal output
- bandpass filter
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Abstract
The utility model discloses one kind of multiple Frequency Band Selections to mix single cable signal output high-frequency tuner, including high-frequency amplifier A1, high-frequency amplifier A2, high-frequency amplifier A4, high freguency bandpass filter BPF1, frequency mixer L1, intermediate frequency amplifier B1 and low-pass filter F1, the signal input part connection horizontal signal of the high-frequency amplifier A1, the signal output part connection high-frequency amplifier A2 of high-frequency amplifier A1, the beneficial effects of the utility model are：1. this product is applicable in different areas, a multi-user shared cable signal will not interfere with each other, while receive satellite-signal, and 2. this products mix 4 useful frequency ranges, improve efficiency of transmission, especially adapt to the digital satellite television system of South American region.
Description
Technical field
A kind of tuner is the utility model is related to, is specifically that one kind of multiple Frequency Band Selections mix single cable signal output height
Conversion tuner.
Background technology
It is most of at present that use is all the double local oscillator high-frequency tuners of dual polarization, it is necessary to be selected by voltage and 22KHZ
Signal, and each user needs a single cable connection to high-frequency tuner.A variety of sections of frequencies are mixed into one by this product
The non-interfering signal of section, can give multiple users, performance is more by power splitter again by a cable transmission to terminal
It is powerful.
Utility model content
The purpose of this utility model is to provide one kind of multiple Frequency Band Selections to mix single cable signal output high-frequency tuning
Device, to solve the problems mentioned in the above background technology.
To achieve the above object, the utility model provides following technical solution：
One kind of multiple Frequency Band Selections mix single cable signal output high-frequency tuner, including high-frequency amplifier A1, high frequency
Amplifier A2, high-frequency amplifier A4, high freguency bandpass filter BPF1, frequency mixer L1, intermediate frequency amplifier B1 and low-pass filter F1,
The signal input part connection horizontal signal of the high-frequency amplifier A1, the signal output part connection High frequency amplification of high-frequency amplifier A1
The signal output part connection high-frequency amplifier A3 of device A2, high-frequency amplifier A2, the output terminal of high-frequency amplifier A3 connect height respectively
The vertical letter of the signal input part of band-pass filter BPF1 and high freguency bandpass filter BPF3, the high-frequency amplifier A4 connection
Number, the signal output part connection high frequency of signal output part connection the high-frequency amplifier A5, high-frequency amplifier A5 of high-frequency amplifier A4
The output terminal of amplifier A6, high-frequency amplifier A6 connect high freguency bandpass filter BPF2 and high freguency bandpass filter BPF4 respectively,
High freguency bandpass filter BPF1 is also connected with frequency mixer L1, and high freguency bandpass filter BPF2 is also connected with frequency mixer L2, high-frequency band pass filter
Ripple device BPF3 is also connected with frequency mixer L3, and high freguency bandpass filter BPF4 is also connected with frequency mixer L4, and frequency mixer L1 is also connected with intermediate frequency and puts
Big device B1, frequency mixer L2 are also connected with intermediate frequency amplifier B2, and frequency mixer L3 is also connected with intermediate frequency amplifier B3, during frequency mixer L4 is also connected with
The output terminal of audio amplifier B4, intermediate frequency amplifier B1-B4 are sequentially connected low-pass filter F1-F4, the low-pass filter respectively
The output terminal of F1-F4 is all connected with intermediate frequency amplifier B5, the output terminal output intermediate-freuqncy signal OUTPUT of intermediate frequency amplifier B5.
Preferred solution as the utility model：The frequency range of the output intermediate-freuqncy signal OUTPUT is 950MHZ-
2150MHZ。
Compared with prior art, the beneficial effects of the utility model are：1. this product is applicable in different areas, multi-user is common
It will not be interfered with each other with a cable signal, while receive satellite-signal, 4 useful frequency ranges are blended in one by 2. this products
Rise, improve efficiency of transmission, especially adapt to the digital satellite television system of South American region.
Brief description of the drawings
Fig. 1 is that multiple frequency range selection mixes the circuit diagram that single cable signal exports high-frequency tuner.
Fig. 2 is the operating diagram of the utility model.
Embodiment
The following is a combination of the drawings in the embodiments of the present utility model, and the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are without making creative work
All other embodiments obtained, shall fall within the protection scope of the present invention.
Please refer to Fig.1-2, in the utility model embodiment, it is high that one kind of multiple Frequency Band Selections mix single cable signal output
Conversion tuner, including high-frequency amplifier A1, high-frequency amplifier A2, high-frequency amplifier A4, high freguency bandpass filter BPF1, frequency mixer
The signal input part of L1, intermediate frequency amplifier B1 and low-pass filter F1, the high-frequency amplifier A1 connect horizontal signal, and high frequency is put
The signal output part connection high-frequency amplifier A3 of signal output part connection the high-frequency amplifier A2, high-frequency amplifier A2 of big device A1,
The output terminal of high-frequency amplifier A3 connects high freguency bandpass filter BPF1 and high freguency bandpass filter BPF3 respectively, and the high frequency is put
The signal input part connection vertical signal of big device A4, the signal output part connection high-frequency amplifier A5 of high-frequency amplifier A4, high frequency
The output terminal of signal output part connection the high-frequency amplifier A6, high-frequency amplifier A6 of amplifier A5 connect high-frequency band pass filtering respectively
Device BPF2 and high freguency bandpass filter BPF4, high freguency bandpass filter BPF1 are also connected with frequency mixer L1, high freguency bandpass filter
BPF2 is also connected with frequency mixer L2, and high freguency bandpass filter BPF3 is also connected with frequency mixer L3, and high freguency bandpass filter BPF4 is also connected with
Frequency mixer L4, frequency mixer L1 are also connected with intermediate frequency amplifier B1, and frequency mixer L2 is also connected with intermediate frequency amplifier B2, and frequency mixer L3 is also connected with
Intermediate frequency amplifier B3, frequency mixer L4 are also connected with intermediate frequency amplifier B4, and the output terminal of intermediate frequency amplifier B1-B4 is sequentially connected low respectively
The output terminal of bandpass filter F1-F4, the low-pass filter F1-F4 are all connected with intermediate frequency amplifier B5, and intermediate frequency amplifier B5's is defeated
Outlet output intermediate-freuqncy signal OUTPUT.
The frequency range for exporting intermediate-freuqncy signal OUTPUT is 950MHZ-2150MHZ.
The operation principle of the utility model is：This product is a kind of single port output high-frequency tuner, installed in antenna and
Between satellite receiver, it is characterized in being equipped with high-frequency amplifier, high freguency bandpass filter, frequency mixer, intermediate frequency amplifier, low frequency filtering
Device, mixer, IF amplifier circuit.This product optimizes configuration, by 4 different local frequencies, horizontal and vertical
Then 4 frequency range frequency conversions of straight upper different frequency unify to pass through a cable transmission signal into 4 sections of different intermediate-freuqncy signals.Solution
The each user of common high-frequency tuner that determined can only be individually connected to the output terminal of tuner, cost savings cable count
Amount, fully meets the individual demand that the multi-users such as hotel or apartment use satellite low noise block.It can be widely applied to satellite
Live and DTV DVB-S system headends, are combined with satellite antenna, satellite receiver, are completed to 3D, 4K, 8K ultra high-definition electricity
Depending on the reception of signal.
Claims (2)
1. one kind of multiple Frequency Band Selections mix single cable signal output high-frequency tuner, including high-frequency amplifier A1, high frequency are put
Big device A2, high-frequency amplifier A4, high freguency bandpass filter BPF1, frequency mixer L1, intermediate frequency amplifier B1 and low-pass filter F1, its
It is characterized in that, the signal input part connection horizontal signal of the high-frequency amplifier A1, the signal output part of high-frequency amplifier A1 connects
Connect high-frequency amplifier A2, the signal output part connection high-frequency amplifier A3 of high-frequency amplifier A2, the output terminal of high-frequency amplifier A3
The signal input part for connecting high freguency bandpass filter BPF1 and high freguency bandpass filter BPF3, the high-frequency amplifier A4 respectively connects
Connect vertical signal, the signal output part connection high-frequency amplifier A5 of high-frequency amplifier A4, the signal output part of high-frequency amplifier A5
High-frequency amplifier A6 is connected, the output terminal of high-frequency amplifier A6 connects high freguency bandpass filter BPF2 and high-frequency band pass filtering respectively
Device BPF4, high freguency bandpass filter BPF1 are also connected with frequency mixer L1, and high freguency bandpass filter BPF2 is also connected with frequency mixer L2, high frequency
Bandpass filter BPF3 is also connected with frequency mixer L3, and high freguency bandpass filter BPF4 is also connected with frequency mixer L4, and frequency mixer L1 is also connected with
Intermediate frequency amplifier B1, frequency mixer L2 are also connected with intermediate frequency amplifier B2, and frequency mixer L3 is also connected with intermediate frequency amplifier B3, and frequency mixer L4 is also
Intermediate frequency amplifier B4 is connected, the output terminal of intermediate frequency amplifier B1-B4 is sequentially connected low-pass filter F1-F4, the low pass respectively
The output terminal of wave filter F1-F4 is all connected with intermediate frequency amplifier B5, the output terminal output intermediate-freuqncy signal OUTPUT of intermediate frequency amplifier B5.
2. multiple frequency range selection according to claim 1 mixes single cable signal output high-frequency tuner, its feature exists
In the frequency range of the output intermediate-freuqncy signal OUTPUT is 950MHZ-2150MHZ.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721250232.8U CN207266159U (en) | 2017-09-27 | 2017-09-27 | One kind of multiple Frequency Band Selections mix single cable signal output high-frequency tuner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721250232.8U CN207266159U (en) | 2017-09-27 | 2017-09-27 | One kind of multiple Frequency Band Selections mix single cable signal output high-frequency tuner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207266159U true CN207266159U (en) | 2018-04-20 |
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ID=61919037
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721250232.8U Active CN207266159U (en) | 2017-09-27 | 2017-09-27 | One kind of multiple Frequency Band Selections mix single cable signal output high-frequency tuner |
Country Status (1)
| Country | Link |
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| CN (1) | CN207266159U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109004906A (en) * | 2018-08-22 | 2018-12-14 | 北京遥感设备研究所 | A kind of converter plant of optional bandwidth |
| CN109068076A (en) * | 2018-10-11 | 2018-12-21 | 珠海佳讯创新科技股份有限公司 | The high-frequency tuner of Ku band satellite signal is transmitted and distributed by coaxial cable |
-
2017
- 2017-09-27 CN CN201721250232.8U patent/CN207266159U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109004906A (en) * | 2018-08-22 | 2018-12-14 | 北京遥感设备研究所 | A kind of converter plant of optional bandwidth |
| CN109068076A (en) * | 2018-10-11 | 2018-12-21 | 珠海佳讯创新科技股份有限公司 | The high-frequency tuner of Ku band satellite signal is transmitted and distributed by coaxial cable |
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