CN204789781U - High frequency test circuit - Google Patents
High frequency test circuit Download PDFInfo
- Publication number
- CN204789781U CN204789781U CN201520215022.XU CN201520215022U CN204789781U CN 204789781 U CN204789781 U CN 204789781U CN 201520215022 U CN201520215022 U CN 201520215022U CN 204789781 U CN204789781 U CN 204789781U
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- China
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- triode
- resistance
- switch
- high frequency
- emitting diode
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Abstract
The utility model discloses a high frequency test circuit, including high frequency receiver D1, emitting diode D2, first triode V1, second triode V2, resistance R1, switch K1 and electric capacity C1, electric capacity C1 one end is passed through switch K1 and is connected high frequency receiver D1 and emitting diode D2 positive pole respectively, high frequency receiver D1 and resistance R1 are connected respectively to first triode V1 base, second triode V2 collecting electrode and emitting diode D2 negative pole are connected respectively to first triode V1 collecting electrode, second triode V2 base is connected to first triode V1 projecting pole, second triode V2 projecting pole is the connecting resistance R1 and the electric capacity C1 other end respectively. The utility model discloses simple and practical, it is with low costs, convenient operation, test high frequency signal is accurate.
Description
Technical field
The utility model relates to test circuit, is specifically related to a kind of high-frequency test circuit.
Background technology
At present, along with the widespread use of the communication technology, very important to the detection of high-frequency signal.But during test electromagnetic wave signal, with mobile phone perception or can only test with high-frequency signal comprehensive tester; With mobile phone perception can only know high-frequency signal with or without, can not determine the accuracy of high-frequency signal, error is larger, pretty troublesome when testing with high-frequency signal comprehensive tester, and carrying inconvenience, high-frequency signal comprehensive tester testing cost is higher, impracticable.
Summary of the invention
The utility model, for the problems referred to above, provides a kind of high-frequency test circuit, comprises high-frequency receiver D1, light emitting diode D2, the first triode V1, the second triode V2, resistance R1, K switch 1 and electric capacity C1; Described electric capacity C1 one end connects high-frequency receiver D1 and light emitting diode D2 positive pole respectively by K switch 1; Described first triode V1 base stage connects high-frequency receiver D1 and resistance R1 respectively; Described first triode V1 collector connects the second triode V2 collector and light emitting diode D2 negative pole respectively; Described first triode V1 emitter connects the second triode V2 base stage; Described second triode V2 emitter contact resistance R1 and the electric capacity C1 other end respectively.
Further, described resistance R1 is 600k Ω--the resistance R1 of 900k Ω.
Further, described K switch 1 is pushbutton switch or the switch by human contact's conducting.
Advantage of the present utility model:
The utility model is simple and practical, and cost is low, handled easily, and test high-frequency signal is accurate.
Except object described above, feature and advantage, the utility model also has other object, feature and advantage.Below with reference to figure, the utility model is described in further detail.
Accompanying drawing explanation
The accompanying drawing forming a application's part is used to provide further understanding of the present utility model, and schematic description and description of the present utility model, for explaining the utility model, is not formed improper restriction of the present utility model.
Fig. 1 is schematic diagram of the present utility model.
Embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the utility model, and be not used in restriction the utility model.
With reference to figure 1, a kind of high-frequency test circuit as shown in Figure 1, comprises high-frequency receiver D1, light emitting diode D2, the first triode V1, the second triode V2, resistance R1, K switch 1 and electric capacity C1; Described electric capacity C1 one end connects high-frequency receiver D1 and light emitting diode D2 positive pole respectively by K switch 1; Described first triode V1 base stage connects high-frequency receiver D1 and resistance R1 respectively; Described first triode V1 collector connects the second triode V2 collector and light emitting diode D2 negative pole respectively; Described first triode V1 emitter connects the second triode V2 base stage; Described second triode V2 emitter contact resistance R1 and the electric capacity C1 other end respectively.
Described resistance R1 is 600k Ω--the resistance R1 of 900k Ω.
Described K switch 1 is pushbutton switch or the switch by human contact's conducting.
The course of work of the utility model embodiment:
When high-frequency receiver Dl receives high-frequency signal, Dl conducting, the base stage of triode Vl becomes noble potential by electronegative potential and makes its conducting, the base stage of V2 is made to become noble potential by electronegative potential, and making its conducting, light emitting diode D2 lights, and represents that this circuit receives high-frequency signal.
The utility model is simple and practical, and cost is low, handled easily, and test high-frequency signal is accurate.
The foregoing is only preferred embodiment of the present utility model, not in order to limit the utility model,
All within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (3)
1. a high-frequency test circuit, is characterized in that, comprises high-frequency receiver D1, light emitting diode D2, the first triode V1, the second triode V2, resistance R1, K switch 1 and electric capacity C1; Described electric capacity C1 one end connects high-frequency receiver D1 and light emitting diode D2 positive pole respectively by K switch 1; Described first triode V1 base stage connects high-frequency receiver D1 and resistance R1 respectively; Described first triode V1 collector connects the second triode V2 collector and light emitting diode D2 negative pole respectively; Described first triode V1 emitter connects the second triode V2 base stage; Described second triode V2 emitter contact resistance R1 and the electric capacity C1 other end respectively.
2. high-frequency test circuit according to claim 1, is characterized in that, described resistance R1 is 600k Ω--the resistance R1 of 900k Ω.
3. according to the arbitrary described high-frequency test circuit of claim 1-2, it is characterized in that, described K switch 1 is pushbutton switch or the switch by human contact's conducting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520215022.XU CN204789781U (en) | 2015-04-12 | 2015-04-12 | High frequency test circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520215022.XU CN204789781U (en) | 2015-04-12 | 2015-04-12 | High frequency test circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204789781U true CN204789781U (en) | 2015-11-18 |
Family
ID=54529798
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520215022.XU Expired - Fee Related CN204789781U (en) | 2015-04-12 | 2015-04-12 | High frequency test circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204789781U (en) |
-
2015
- 2015-04-12 CN CN201520215022.XU patent/CN204789781U/en not_active Expired - Fee Related
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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: 20151118 Termination date: 20160412 |