CN203691349U - Cross-band signal source assembly - Google Patents
Cross-band signal source assembly Download PDFInfo
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- CN203691349U CN203691349U CN201420026415.1U CN201420026415U CN203691349U CN 203691349 U CN203691349 U CN 203691349U CN 201420026415 U CN201420026415 U CN 201420026415U CN 203691349 U CN203691349 U CN 203691349U
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- 239000013078 crystal Substances 0.000 claims description 15
- 239000003990 capacitor Substances 0.000 claims description 3
- 238000001914 filtration Methods 0.000 abstract description 3
- 230000010355 oscillation Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007274 generation of a signal involved in cell-cell signaling Effects 0.000 description 1
- 230000005764 inhibitory process Effects 0.000 description 1
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Abstract
The utility model discloses a cross-band signal source assembly. The cross-band signal source assembly comprises a shielding box and a signal source assembly circuit module in the shielding box; the signal source assembly circuit module includes a digital control circuit unit and a microwave circuit unit; the digital control circuit unit includes a controller; the microwave circuit unit includes an integrated frequency synthesizer, a power attenuator, microwave switches, a filtering circuit and a power amplifier, wherein the filtering circuit comprises two filters corresponding to different bandpass bands, and the microwave switches at two ends of each filter; the controller respectively controls the signal source band output of the integrated frequency synthesizer, filter selection of the microwave switches, and power attenuation which is performed on signal sources by the power attenuator according to received external frequency control signals and attenuation control signals; and therefore, the cross-band signal source assembly can generate signal sources of corresponding bands, and the signal sources can be filtered by corresponding filters, and then are outputted. The cross-band signal source assembly of the utility model has the advantages of compact structure, stable signal output as well as controllable output frequency and power.
Description
Technical field
The utility model relates to technical field of micro communication, particularly a kind of across frequency band signals source component.
Background technology
Signal source assembly is the important component part in millimeter-wave communication system, is also the key component of the local oscillation signal generation of frequency multiplication mixing.The making an uproar mutually of local oscillation signal in signal source assembly of the prior art, can have a strong impact on the indexs such as making an uproar mutually of millimeter-wave signal.And along with the development of microwave communication technology, need the signal source assembly of wanting signal power controlled badly, to meet different user demands.
In addition microwave frequency band is divided into L-band (1 ~ 2GHz), S-band (2 ~ 4GHz), C-band (4 ~ 8GHz), X-band (8 ~ 12GHz) etc. according to frequency size; And the difference requiring according to system index, the local oscillation signal frequency demand needing is also different, is also difficult in the prior art find a kind of signal source assembly can meet multifrequency point or across frequency range.
Summary of the invention
The utility model object is to provide one across frequency band signals source component, and it is simple in structure, and the index of making an uproar is mutually more excellent, can meet multifrequency point, the controlled technical requirement of power.
For achieving the above object, the technical scheme that the utility model is taked is: a kind of across frequency band signals source component, comprise the signal source assembly circuit module in shielding box and shielding box;
Shielding box is provided with crystal oscillator reference signal input terminal, radio-frequency (RF) output end, FREQUENCY CONTROL input terminal, decay control inputs terminal and DC offset voltage input terminal;
Signal source assembly circuit module comprises digital control circuit unit and microwave circuit unit;
Digital control circuit unit comprises controller, the signal input part rate of connections control inputs terminal of controller and decay control inputs terminal; The signal output part of controller comprises FREQUENCY CONTROL output, decay control output end and microwave switch control output end;
Microwave circuit unit comprises the integrated frequency synthesizer, power attenuator, microwave switch, filter circuit and the power amplifier that connect successively; The FREQUENCY CONTROL output of controller connects the input of integrated frequency synthesizer, the decay control output end of controller connects the control input end of power attenuator, the microwave switch control output end of controller connects the control end of microwave switch, the output of power amplifier connects radio-frequency (RF) output end, integrated frequency synthesizer connects crystal oscillator reference signal input terminal, to receive crystal oscillator reference signal;
Above-mentioned filter circuit comprises the filter of 2 different passband frequency ranges of correspondence, and the input of each filter connects respectively the output of power attenuator by same microwave switch, and output connects power amplifier by same microwave switch respectively.
Above-mentioned integrated frequency synthesizer can adopt prior art, and the phase-locked loop circuit that it comprises receives the frequency control signal that controller sends, and external crystal-controlled oscillation reference signal, to produce different-waveband microwave signal; Controller can adopt existing microcontroller, and microwave switch, filter, power amplifier all can adopt prior art.The signal of DC offset voltage input input provides DC offset voltage directly to the each device in microwave circuit unit.
In the utility model, the controller in digital control circuit unit can receive different TTL control commands by FREQUENCY CONTROL input terminal and decay control inputs terminal, to produce the control signal output for FREQUENCY CONTROL and decay control respectively; Under the effect of control signal, power attenuator carries out corresponding power attenuation, and the filter that microwave switch will pass through radiofrequency signal is selected; Both realized the controlled of power output, and filtered microwave signal can obtain the microwave signal source of required wave band through amplifying circuit output.
Further, the reference signal input terminal of crystal oscillator described in the utility model and radio-frequency (RF) output end adopt existing radio frequency connector SMA-KFD31.FREQUENCY CONTROL input terminal, decay control inputs terminal and DC offset voltage input terminal adopt existing M3 feedthrough capacitor.
When across L, S frequency range, in filter circuit of the present utility model, 2 passband frequency ranges corresponding to filter are respectively L frequency range and S frequency range.
The beneficial effects of the utility model are: integrated frequency synthesizer, under the control of controller, can be exported the microwave signal of different-waveband after reception external crystal-controlled oscillation reference signal; In conjunction with the generation of different-waveband microwave signal, the utility model is provided with the filter of 2 different passband frequency ranges of correspondence, and the microwave signal of different-waveband can be carried out filtering by the filter of corresponding band, and then output; Simultaneously power attenuator be arranged so that the utility model power is controlled.Signal source assembly compact overall structure of the present utility model, signal output is reliable and stable.
Brief description of the drawings
Figure 1 shows that the utility model theory structure schematic block diagram;
Figure 2 shows that shielding box external interface schematic diagram.
Embodiment
Further illustrate below in conjunction with the drawings and specific embodiments.
In conjunction with Fig. 1 and Fig. 2, the utility model comprises the signal source assembly circuit module in shielding box and shielding box; Shielding box is provided with crystal oscillator reference signal input terminal 1, radio-frequency (RF) output end 2, FREQUENCY CONTROL input terminal W1, W2, decay control inputs terminal V1 ~ V5 and DC offset voltage input terminal V6; Signal source assembly circuit module comprises digital control circuit unit and microwave circuit unit;
Digital control circuit unit comprises controller, and controller can adopt single-chip microcomputer, the signal input part rate of connections control inputs terminal of controller and decay control inputs terminal; The signal output part of controller comprises FREQUENCY CONTROL output, decay control output end and microwave switch control output end;
Microwave circuit unit comprises the integrated frequency synthesizer, power attenuator, microwave switch, filter circuit and the power amplifier that connect successively.Filter circuit comprises the filter of 2 different passband frequency ranges of correspondence, and the input of each filter connects respectively the output of power attenuator by same microwave switch, and output connects power amplifier by same microwave switch respectively.
The FREQUENCY CONTROL output of controller connects the input of integrated frequency synthesizer, the decay control output end of controller connects the control input end of power attenuator, the microwave switch control output end of controller connects the control end of microwave switch, the output of power amplifier connects radio-frequency (RF) output end, integrated frequency synthesizer connects crystal oscillator reference signal input terminal, to receive crystal oscillator reference signal;
Above-mentioned integrated frequency synthesizer can adopt prior art, and the phase-locked loop circuit that it comprises receives the frequency control signal that controller sends, and external crystal-controlled oscillation reference signal, to produce different-waveband microwave signal; Controller can adopt existing microcontroller, and microwave switch, filter, power amplifier all can adopt prior art.Crystal oscillator reference signal input terminal and radio-frequency (RF) output end adopt existing radio frequency connector SMA-KFD31.FREQUENCY CONTROL input terminal, decay control inputs terminal and DC offset voltage input terminal adopt existing M3 feedthrough capacitor.
Embodiment shown in Fig. 1 is the utility model when across L, S frequency range, and wherein, in filter circuit, 2 passband frequency ranges corresponding to filter are respectively L frequency range and S frequency range.In the time of application, the controller in digital control circuit unit can receive different TTL control commands by FREQUENCY CONTROL input terminal and decay control inputs terminal, to produce the control signal output for FREQUENCY CONTROL and decay control respectively; Under the effect of control signal, power attenuator carries out corresponding power attenuation, and the filter that microwave switch will pass through radiofrequency signal is selected; Both realized the controlled of power output, and filtered microwave signal can obtain the microwave signal source of required wave band through amplifying circuit output.
Be proven, utilize and of the present utility modelly can realize following technical indicator across L, S-band signal source assembly: (1), working temperature :-40 DEG C～+ 55 DEG C; (2), storing temperature :-55 DEG C～+ 70 DEG C; (3), transmitting output: S, L-band (1 GHz-3GHz); (4), transmitting power: >=20dBm(power is controlled); (5), reference input frequency: 50MHz (>=5dBm); (6), make an uproar mutually :≤-90 dBc/Hz10KHz; (7), power control range: 31dB, 1dB stepping; (8), spuious inhibition :≤-60dBc.
Claims (4)
1. across a frequency band signals source component, it is characterized in that, comprise the signal source assembly circuit module in shielding box and shielding box;
Shielding box is provided with crystal oscillator reference signal input terminal, radio-frequency (RF) output end, FREQUENCY CONTROL input terminal, decay control inputs terminal and DC offset voltage input terminal;
Signal source assembly circuit module comprises digital control circuit unit and microwave circuit unit;
Digital control circuit unit comprises controller, the signal input part rate of connections control inputs terminal of controller and decay control inputs terminal; The signal output part of controller comprises FREQUENCY CONTROL output, decay control output end and microwave switch control output end;
Microwave circuit unit comprises the integrated frequency synthesizer, power attenuator, microwave switch, filter circuit and the power amplifier that connect successively; The FREQUENCY CONTROL output of controller connects the input of integrated frequency synthesizer, the decay control output end of controller connects the control input end of power attenuator, the microwave switch control output end of controller connects the control end of microwave switch, the output of power amplifier connects radio-frequency (RF) output end, integrated frequency synthesizer connects crystal oscillator reference signal input terminal, to receive crystal oscillator reference signal;
Above-mentioned filter circuit comprises the filter of 2 different passband frequency ranges of correspondence, and the input of each filter connects respectively the output of power attenuator by same microwave switch, and output connects power amplifier by same microwave switch respectively.
2. according to claim 1ly it is characterized in that across frequency band signals source component, described crystal oscillator reference signal input terminal and radio-frequency (RF) output end adopt radio frequency connector SMA-KFD31.
3. according to claim 1ly it is characterized in that across frequency band signals source component, described FREQUENCY CONTROL input terminal, decay control inputs terminal and DC offset voltage input terminal adopt M3 feedthrough capacitor.
4. according to claim 2ly it is characterized in that across frequency band signals source component, in described filter circuit, 2 passband frequency ranges corresponding to filter are respectively L frequency range and S frequency range.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420026415.1U CN203691349U (en) | 2014-01-16 | 2014-01-16 | Cross-band signal source assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420026415.1U CN203691349U (en) | 2014-01-16 | 2014-01-16 | Cross-band signal source assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203691349U true CN203691349U (en) | 2014-07-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420026415.1U Expired - Fee Related CN203691349U (en) | 2014-01-16 | 2014-01-16 | Cross-band signal source assembly |
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| Country | Link |
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| CN (1) | CN203691349U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109375176A (en) * | 2018-11-29 | 2019-02-22 | 四川九洲电器集团有限责任公司 | A kind of power amplifier in transmitter module |
| CN109787586A (en) * | 2018-12-03 | 2019-05-21 | 京信通信系统（中国）有限公司 | Microwave power source |
-
2014
- 2014-01-16 CN CN201420026415.1U patent/CN203691349U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109375176A (en) * | 2018-11-29 | 2019-02-22 | 四川九洲电器集团有限责任公司 | A kind of power amplifier in transmitter module |
| CN109375176B (en) * | 2018-11-29 | 2023-10-27 | 四川九洲电器集团有限责任公司 | Transmitter power amplifier module |
| CN109787586A (en) * | 2018-12-03 | 2019-05-21 | 京信通信系统（中国）有限公司 | Microwave power source |
| CN109787586B (en) * | 2018-12-03 | 2023-07-21 | 京信网络系统股份有限公司 | Microwave power source |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140702 |