CN204272029U - Two-way Wideband Intermediate Frequency assembly - Google Patents
Two-way Wideband Intermediate Frequency assembly Download PDFInfo
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- CN204272029U CN204272029U CN201420696627.0U CN201420696627U CN204272029U CN 204272029 U CN204272029 U CN 204272029U CN 201420696627 U CN201420696627 U CN 201420696627U CN 204272029 U CN204272029 U CN 204272029U
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- power splitter
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Abstract
The utility model is two-way Wideband Intermediate Frequency assembly, solves the problem that existing MFM medium frequency module narrow bandwidth single channel flatness difference is unfavorable for expanding.The 1st either-or switch that two-way input signal input the 1st control signal GK1 controls, 1st either-or switch gating one road signal, input the 2nd either-or switch that the 2nd control signal GK2 controls again, the output of the 2nd either-or switch respectively with the 1st, 2 filters are connected, the 1st, 2 filters export and enter numerical-control attenuator through the 3rd either-or switch, by the 2nd control signal GK3, the 2nd either-or switch is controlled, signal after amplification exports two-way intermediate-freuqncy signal through the 1st power splitter, one road low gain path signal is through the 1st amplifier, through the 1st low pass filter LC, exported by the 2nd power splitter two-way again, one road signal directly exports, through the 1st wave detector, one tunnel judges that exporting TTL signal carries out Function Extension, merit divide after another road high gain path signal through the 2nd amplifier, through the 2nd low pass filter LC, exported by the 3rd power splitter two-way again, one road signal directly exports, one tunnel judges to export TTL signal through the 2nd wave detector.
Description
technical field:
The utility model is relevant with MFM medium frequency module.
background technology:
Existing MFM medium frequency module function singleness, frequency point ranges is narrow, and single channel input and output, and narrow bandwidth single channel flatness difference is unfavorable for expansion, and range of application is narrow.Be unfavorable for the market development, do not catch up with the needs in market.
utility model content:
The purpose of this utility model is to provide the excellent two-way Wideband Intermediate Frequency assembly of a kind of multi-channel wide bandwidth flatness.
The utility model is achieved in that
The 1st either-or switch that two-way input signal input the 1st control signal GK1 controls, 1st either-or switch gating one road signal, input the 2nd either-or switch that the 2nd control signal GK2 controls again, the output of the 2nd either-or switch respectively with the 1st, 2 filters are connected, the 1st, 2 filters export and enter numerical-control attenuator through the 3rd either-or switch, by the 2nd control signal GK2, the 2nd either-or switch is controlled, gating the 1st filter (TBPF7509 band pass filter) branch road when needs wide bandwidth, gating the 2nd filter (TBPF6010F band pass filter) signal branch when needing high sensitivity, numerical-control attenuator realizes improving gain flatness, its intermediate-freuqncy signal exported enters into low noise amplifier and carries out amplifying process with the gain and the linearity that improve intermediate-freuqncy signal, signal after amplification exports two-way intermediate-freuqncy signal through the 1st power splitter, one road low gain path signal is through the 1st amplifier promotion signal power, high fdrequency component is filtered through the 3rd filter LC, exported by the 2nd power splitter two-way again, one road signal directly exports, through the 1st wave detector, one tunnel judges that exporting TTL signal carries out Function Extension, another road high gain path signal after the 1st merit is divided is through the 2nd amplifier promotion signal power, high fdrequency component is filtered through the 2nd low pass filter LC, exported by the 3rd power splitter two-way again, one road signal directly exports, through the 2nd wave detector, one tunnel judges that exporting TTL signal carries out Function Extension.
1st, 2,3 alternatives are opened as HMC349MS8G, numerical-control attenuator is HMC472LP4, low noise amplifier is MPS-003001,1st power splitter is SBTC-2-20L+, 1st amplifier is SKY65017-70F, 1st filter is TBPF7509, the 2nd filter is TBPF6010F, 3rd, 4 filters are TBPF633FA, 2nd power splitter is SBTC-2-20L+, 3rd power splitter is SBTC-2-20L+, 1st, 2 wave detectors are D8362ARU, and the 1st amplifier is SKY65017-70F+, the 2nd amplifier is MPS-003001.
The utility model has the following advantages:
The utility model improves the bandwidth sum sensitivity of signal by the coupling of either-or switch and filter, and by improve the flatness of signal to the control of numerical-control attenuator, the cooperation of amplifying branch road by two-way improves the dynamic range of intermediate-freuqncy signal.There are the advantages such as high bandwidth, multi-path choice, high dynamic range, flatness are high, operating temperature range is wide, good stability.Show that this MFM medium frequency module is reliable and stable through test of many times, be easy to produce this, have good market prospects, be beneficial to batch production.
accompanying drawing illustrates:
Fig. 1 is the utility model circuit diagram.
embodiment:
The input of the utility model two-way carrys out the assembly such as self frequency-changing's assembly or low side frequency conversion respectively, its two paths of signals controls the 1st either-or switch HMC349MS8G gating one road signal (being added scope and the alternative of input signal by this switch) by GK1 control signal, signal is selected to carry out filtering by a corresponding broadband filter in road by the intermediate-freuqncy signal of GK2 control signal control 200 ~ 1120MHz through the 2nd either-or switch (HMC194MS8G) again, next stage circuit numerical-control attenuator HMC472LP4 is entered into through the 3rd either-or switch (HMC194MS8G) after filtering unwanted signal, by GK3 control signal to switch HMC194MS8G and the 1st, the control of 2 filters is to increase bandwidth sum sensitivity, gating the 1st filter branches when needs wide bandwidth, gating the 2nd filter signal branch road when needing high sensitivity, its numerical-control attenuator HMC472LP4 realizes improving gain flatness, then intermediate-freuqncy signal enter into low noise amplifier MPS-003001 carry out amplify process with the gain and the linearity that improve intermediate-freuqncy signal, signal after amplification through the 1st power splitter SBTC-2-20L+ exports two-way intermediate-freuqncy signal, form 2 tunnels to export, one tunnel is high-gain, one tunnel is low gain, formation gain is complementary.The object of two-way is divided into be improve dynamic range, merit divide after signal one tunnel (high gain path) through the 1st amplifier SKY65017-70F promotion signal power, add that the 3rd filter (TBPF633FA) filters high fdrequency component, exported by the 2nd power splitter (SBTC-2-20L+) two-way again, one road signal directly exports, through the 1st detection (AD8362ARU), a road judges that exporting TTL signal carries out Function Extension.Merit divide after another road signal (low gain path) through the 2nd Amplifier Model MPS-003001 promotion signal power, add that the 4th filter (TBPF633FA) filters high fdrequency component, exported by the 3rd power splitter (SBTC-2-20L+) two-way again, one road signal directly exports, through the 2nd wave detector (AD8362ARU), a road judges that exporting TTL signal carries out Function Extension.The signal behavior low gain path signal when input signal is strong, selects high gain path to which improves the dynamic range of Gather and input signal when input signal is weak.
This circuit to improve signal bandwidth sum sensitivity by the coupling of either-or switch and filter is analyzed through above embodiment, by improve the flatness of signal to the control of numerical-control attenuator, improve the dynamic range of intermediate-freuqncy signal by the cooperation of two-way amplification branch road.
Claims (2)
1. two-way Wideband Intermediate Frequency assembly, it is characterized in that the 1st either-or switch that two-way input signal input the 1st control signal GK1 controls, 1st either-or switch gating one road signal, input the 2nd either-or switch that the 2nd control signal GK2 controls again, the output of the 2nd either-or switch respectively with the 1st, 2 filters are connected, the 1st, 2 filters export and enter numerical-control attenuator through the 3rd either-or switch, by the 2nd control signal GK3, the 2nd either-or switch is controlled, gating the 1st filter 1120MHz/200MHz branch road when needs wide bandwidth, gating the 2nd filter 1120MHz/50MHz signal branch when needing high sensitivity, numerical-control attenuator realizes improving gain flatness, its intermediate-freuqncy signal exported enters into low noise amplifier and carries out amplifying process with the gain and the linearity that improve intermediate-freuqncy signal, signal after amplification exports two-way intermediate-freuqncy signal through the 1st power splitter, one road low gain path signal is through the 1st amplifier promotion signal power, high fdrequency component is filtered through the 1st low pass filter LC, exported by the 2nd power splitter two-way again, one road signal directly exports, through the 1st wave detector, one tunnel judges that exporting TTL signal carries out Function Extension, merit divide after another road high gain path signal through the 2nd amplifier promotion signal power, high fdrequency component is filtered through the 2nd low pass filter LC, exported by the 3rd power splitter two-way again, one road signal directly exports, through the 2nd wave detector, one tunnel judges that exporting TTL signal carries out Function Extension.
2. two-way Wideband Intermediate Frequency assembly according to claim 1, it is characterized in that the 1st, 2, 3 alternatives are opened as HMC349MS8G, numerical-control attenuator is HMC472LP4, low noise amplifier is MPS-003001, 1st power splitter is SBTC-2-20L+, 1st amplifier is SKY65017-70F, 1st filter is TBPF7509 band pass filter, 2nd filter is TBPF6010F band pass filter, 2nd power splitter is SBTC-2-20L+, 3rd power splitter is SBTC-2-20L+, 1st, 2 wave detectors are D8362ARU, 2nd amplifies SKY65017-70F+ MPS-003001.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420696627.0U CN204272029U (en) | 2014-11-20 | 2014-11-20 | Two-way Wideband Intermediate Frequency assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420696627.0U CN204272029U (en) | 2014-11-20 | 2014-11-20 | Two-way Wideband Intermediate Frequency assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204272029U true CN204272029U (en) | 2015-04-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420696627.0U Expired - Fee Related CN204272029U (en) | 2014-11-20 | 2014-11-20 | Two-way Wideband Intermediate Frequency assembly |
Country Status (1)
| Country | Link |
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| CN (1) | CN204272029U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109525210A (en) * | 2018-11-07 | 2019-03-26 | 中电科仪器仪表有限公司 | Power amplifying system, method and application |
| CN110518925A (en) * | 2019-08-29 | 2019-11-29 | 成都锦江电子系统工程有限公司 | A kind of high dynamic response signal receiving channel |
| CN112702020A (en) * | 2020-12-28 | 2021-04-23 | 中国航天科工集团八五一一研究所 | Miniaturized multichannel frequency conversion component for enemy and my people |
-
2014
- 2014-11-20 CN CN201420696627.0U patent/CN204272029U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109525210A (en) * | 2018-11-07 | 2019-03-26 | 中电科仪器仪表有限公司 | Power amplifying system, method and application |
| CN110518925A (en) * | 2019-08-29 | 2019-11-29 | 成都锦江电子系统工程有限公司 | A kind of high dynamic response signal receiving channel |
| CN110518925B (en) * | 2019-08-29 | 2024-04-09 | 成都锦江电子系统工程有限公司 | High dynamic response signal receiving channel |
| CN112702020A (en) * | 2020-12-28 | 2021-04-23 | 中国航天科工集团八五一一研究所 | Miniaturized multichannel frequency conversion component for enemy and my people |
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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 |
Granted publication date: 20150415 Termination date: 20161120 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |