CN203502501U - Simple field intensity meter for integrated power supply inspection circuit - Google Patents
Simple field intensity meter for integrated power supply inspection circuit Download PDFInfo
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- CN203502501U CN203502501U CN201320665945.6U CN201320665945U CN203502501U CN 203502501 U CN203502501 U CN 203502501U CN 201320665945 U CN201320665945 U CN 201320665945U CN 203502501 U CN203502501 U CN 203502501U
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- triode
- diode
- resistance
- field intensity
- power supply
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Abstract
The utility model discloses a simple field intensity meter for an integrated power supply inspection circuit; the simple field intensity meter comprises a DC power supply, a switch, first to fourth resistors, a first capacitor, a second capacitor, a first triode, a second triode, a light emitting diode, a first diode, a second diode, a potentiometer and an antenna; the antenna, the first diode and the first capacitor form a circuit to receive a high frequency signal; the signal is then demodulated by the second diode and the second capacitor so as to generate DC voltage; the voltage is amplified by the first triode and the second triode so as to drive the light emitting diode for lighting indication; the potentiometer is adjusted to control base electrode voltage of the first triode, thereby changing lighting intensity of the light emitting diode, and realizing the effect of adjusting sensitivity. Compared with the prior art, the simple field intensity meter for the integrated power supply inspection circuit is simple in structure, less in applied elements, low in cost, can be suitable for debug of most wireless transmit and receive equipment, and is suitable for popularization and promotion.
Description
Technical field
The utility model relates to a kind of field intensity meter, relates in particular to a kind of simple and easy field intensity meter for integrated power supply routing inspection circuit.
Background technology
Field intensity meter plays a very important role in the examination of withering of the setting up of antenna, transmitting set, but the field intensity meter circuit of professional use is complicated, adopts electronic component many, with high costs, expensive, and generally fan is beyond one's ability.Therefore, prior art is unfavorable for universal and promotes.
Utility model content
The purpose of this utility model provides a kind of simple and easy field intensity meter for integrated power supply routing inspection circuit with regard to being in order to address the above problem.
The utility model is achieved through the following technical solutions above-mentioned purpose:
The utility model comprises direct supply, switch, the first resistance, the second resistance, the 3rd resistance, the 4th resistance, the first electric capacity, the second electric capacity, the first triode, the second triode, light emitting diode, the first diode, the second diode, potentiometer and antenna, the positive pole of described direct supply is connected with the first end of described switch, the negative pole while of described direct supply and the first end of described potentiometer, the emitter of described the second triode is connected with the first end of described the first electric capacity, the second end while of described switch and the second end of described potentiometer, the positive pole of described light emitting diode is connected with the first end of described the second resistance, the negative pole of described light emitting diode is connected with the first end of described the 3rd resistance, the second end of described the 3rd resistance is connected with the collector of described the second triode, the base stage of described the second triode is connected with the emitter of described the first triode, the collector of described the first triode is connected with the second end of described the second resistance, the base stage while of described the first triode and the first end of described the first resistance, the first end of described the second electric capacity is connected with the negative pole of described the second diode, and the anodal of described the second diode is connected with described antenna with the positive pole of described the first diode simultaneously, the negative pole while of described the first diode and the second end of described the first electric capacity, the second end of described the second electric capacity, the second end of described the first resistance is connected with the first end of described the 4th resistance, and the second end of described the 4th resistance is connected with the sliding end of described potentiometer.
The beneficial effects of the utility model are:
The utility model compared with prior art, have circuit structure simple, adopt element few, with low cost, can be applicable to the debugging of most of wireless transmit and receiving equipment, be conducive to universal and promote.
Accompanying drawing explanation
Fig. 1 is circuit structure schematic diagram of the present utility model.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail:
As shown in Figure 1: the utility model comprises direct supply, K switch, the first resistance R 1, the second resistance R 2, the 3rd resistance R 3, the 4th resistance R 4, the first capacitor C 1, the second capacitor C 2, the first triode VT1, the second triode VT2, LED, the first diode D1, the second diode D2, potentiometer W and antenna TX, the positive pole of direct supply is connected with the first end of K switch, the negative pole while of direct supply and the first end of potentiometer W, the emitter of the second triode VT2 is connected with the first end of the first capacitor C 1, the second end while of K switch and the second end of potentiometer W, the positive pole of LED is connected with the first end of the second resistance R 2, the negative pole of LED is connected with the first end of the 3rd resistance R 3, the second end of the 3rd resistance R 3 is connected with the collector of the second triode VT2, the base stage of the second triode VT2 is connected with the emitter of the first triode VT1, the collector of the first triode VT1 is connected with the second end of the second resistance R 2, the base stage while of the first triode VT1 and the first end of the first resistance R 1, the first end of the second capacitor C 2 is connected with the negative pole of the second diode D2, and the anodal of the second diode D2 is connected with antenna TX with the positive pole of the first diode D1 simultaneously, the negative pole while of the first diode D1 and the second end of the first capacitor C 1, the second end of the second capacitor C 2, the second end of the first resistance R 1 is connected with the first end of the 4th resistance R 4, and the second end of the 4th resistance R 4 is connected with the sliding end of potentiometer W.
As shown in Figure 1: the circuit consisting of antenna TX, the first diode D1, the first capacitor C 1 receives high-frequency signal, the DC voltage producing after the second diode D2 and the second capacitor C 2 detections, again after the first triode VT1 and the second triode VT2 amplification, promote the luminous indication of LED, regulator potentiometer W, control the base voltage of the first triode VT1, and then change the luminous power of LED, reach the effect that regulates sensitivity.
Claims (1)
1. for a simple and easy field intensity meter for integrated power supply routing inspection circuit, it is characterized in that: comprise direct supply, switch, the first resistance, the second resistance, the 3rd resistance, the 4th resistance, the first electric capacity, the second electric capacity, the first triode, the second triode, light emitting diode, the first diode, the second diode, potentiometer and antenna, the positive pole of described direct supply is connected with the first end of described switch, the negative pole while of described direct supply and the first end of described potentiometer, the emitter of described the second triode is connected with the first end of described the first electric capacity, the second end while of described switch and the second end of described potentiometer, the positive pole of described light emitting diode is connected with the first end of described the second resistance, the negative pole of described light emitting diode is connected with the first end of described the 3rd resistance, the second end of described the 3rd resistance is connected with the collector of described the second triode, the base stage of described the second triode is connected with the emitter of described the first triode, the collector of described the first triode is connected with the second end of described the second resistance, the base stage while of described the first triode and the first end of described the first resistance, the first end of described the second electric capacity is connected with the negative pole of described the second diode, and the anodal of described the second diode is connected with described antenna with the positive pole of described the first diode simultaneously, the negative pole while of described the first diode and the second end of described the first electric capacity, the second end of described the second electric capacity, the second end of described the first resistance is connected with the first end of described the 4th resistance, and the second end of described the 4th resistance is connected with the sliding end of described potentiometer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320665945.6U CN203502501U (en) | 2013-10-27 | 2013-10-27 | Simple field intensity meter for integrated power supply inspection circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320665945.6U CN203502501U (en) | 2013-10-27 | 2013-10-27 | Simple field intensity meter for integrated power supply inspection circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203502501U true CN203502501U (en) | 2014-03-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320665945.6U Expired - Fee Related CN203502501U (en) | 2013-10-27 | 2013-10-27 | Simple field intensity meter for integrated power supply inspection circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203502501U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110255118A (en) * | 2019-06-04 | 2019-09-20 | 仵军红 | A kind of food inspection transmission device with screening function |
-
2013
- 2013-10-27 CN CN201320665945.6U patent/CN203502501U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110255118A (en) * | 2019-06-04 | 2019-09-20 | 仵军红 | A kind of food inspection transmission device with screening function |
| CN110255118B (en) * | 2019-06-04 | 2021-01-05 | 仵军红 | Food detection and conveying device with screening function |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140326 Termination date: 20141027 |
|
| EXPY | Termination of patent right or utility model |