CN203857978U - Novel low noise wave detector circuit - Google Patents
Novel low noise wave detector circuit Download PDFInfo
- Publication number
- CN203857978U CN203857978U CN201420135336.4U CN201420135336U CN203857978U CN 203857978 U CN203857978 U CN 203857978U CN 201420135336 U CN201420135336 U CN 201420135336U CN 203857978 U CN203857978 U CN 203857978U
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- resistance
- triode
- electric capacity
- capacitor
- low noise
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- 239000003990 capacitor Substances 0.000 claims abstract description 37
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 230000003321 amplification Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
Abstract
The utility model discloses a novel low noise wave detector circuit which comprises a first resistor, a second resistor, a third resistor, a fourth resistor, a fifth resistor, a sixth resistor, a seventh resistor, an eighth resistor, a ninth resistor, a tenth resistor, an eleventh resistor, a first capacitor, a second capacitor, a third capacitor, a fourth capacitor, a fifth capacitor, a sixth capacitor, a first diode, a second diode, a first triode, a second triode, a third triode, a fourth triode and a DC power supply. When the novel low noise wave detector circuit is at work, the noise of the circuit is lower than that of a common wave detector, the structure of the circuit is simple, when the circuit is applied to a device, the working performance of the whole device can be raised, the manufacture cost is reduced, and the novel low noise wave detector circuit has a high popularization value.
Description
Technical field
The utility model relates to a kind of wave detector, relates in particular to a kind of Novel low noise detector circuit.
Background technology
Along with social development and scientific and technological progress, electronic equipment has obtained development faster, wave detector is a kind of device that detects certain useful information in fluctuation signal that need to often use, the device that exists or change for identifying ripple, vibration or signal, wave detector is commonly used to extract entrained information, and wave detector work noise is now too large, and complex structure, in it uses, reduce the serviceability of Whole Equipment, increased the cost of manufacture of equipment.
Utility model content
The purpose of this utility model provides a kind of Novel low noise detector 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:
A Novel low noise detector circuit, comprises the first resistance, the second resistance, the 3rd resistance, the 4th resistance, the 5th resistance, the 6th resistance, the 7th resistance, the 8th resistance, the 9th resistance, the tenth resistance, the 11 resistance, the first electric capacity, the second electric capacity, the 3rd electric capacity, the 4th electric capacity, the 5th electric capacity, the 6th electric capacity, the first diode, the second diode, the first triode, the second triode, the 3rd triode, the 4th triode and direct supply, the positive pole of described direct supply is connected with the first end of described the first resistance, the second end while of described the first resistance and the negative pole of described the second diode, the first end of described the second resistance, the first end of described the 4th resistance, the first end of described the 7th resistance, the negative pole of described the 5th electric capacity, the emitter of described the 4th triode, the first end of described the 9th resistance is connected with the first end of described the 11 resistance, the anodal while of described the second diode and the negative pole of described the first diode, the positive pole of described the second electric capacity, the emitter of described the first triode, the first end of described the 6th resistance, described the 3rd positive pole of electric capacity and the first end of described the 11 resistance are connected and ground connection, the positive pole of described the first diode is connected with the positive pole of described the first electric capacity and as the signal input part of described Novel low noise detector circuit, the negative pole of described the first electric capacity is connected with the base stage of described the second triode with the first end of described the 3rd resistance simultaneously, the second end while of described the 3rd resistance and the second end of described the second resistance, the collector of described the first triode is connected with the negative pole of described the second electric capacity, the base stage while of described the first triode and the emitter of described the second triode, the first end of described the 8th resistance is connected with the first end of described the 5th resistance, the second end of described the 5th resistance is connected with the negative pole of described the 3rd electric capacity with the second end of described the 6th resistance simultaneously, the collector while of described the second triode and the second end of described the 4th resistance, the emitter of described the 3rd triode is connected with the first end of described the 4th electric capacity, the collector of described the 3rd triode is connected with the base stage of described the 4th triode with the second end of described the 7th resistance simultaneously, the base stage of described the 3rd triode is connected with the second end of described the 9th resistance with the positive pole of described the 5th electric capacity simultaneously, the collector of described the 4th triode is connected with the first end of described the tenth resistance, the second end while of described the tenth resistance and the second end of described the 4th electric capacity, the second end of described the 8th resistance is connected with the first end of described the 6th electric capacity, and the second end of described the 6th electric capacity is as the signal output part of described Novel low noise detector circuit.
Further, described the first electric capacity, described the second electric capacity, described the 3rd electric capacity and described the 5th electric capacity are polar capacitor, and described direct supply is the power supply of 7V to 20V voltage.
The beneficial effects of the utility model are:
Novel low noise detector circuit described in the utility model is when work, lower than general detector noise, and simple in structure, in the time of in applying to equipment, can improve the serviceability of Whole Equipment, also reduce its cost of manufacture, there is the value of higher penetration and promotion.
Accompanying drawing explanation
Fig. 1 is the circuit theory diagrams of Novel low noise detector circuit described in the 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 the first resistance R 1, the second resistance R 2, the 3rd resistance R 3, the 4th resistance R 4, the 5th resistance R 5, the 6th resistance R 6, the 7th resistance R 7, the 8th resistance R 8, the 9th resistance R 9, the tenth resistance R 10, the 11 resistance R 11, the first capacitor C 1, the second capacitor C 2, the 3rd capacitor C 3, the 4th capacitor C 4, the 5th capacitor C 5, the 6th capacitor C 6, the first diode D1, the second diode D2, the first triode Q1, the second triode Q2, the 3rd triode Q3, the 4th triode Q4 and direct supply DC, the first capacitor C 1, the second capacitor C 2, the 3rd capacitor C 3 and the 5th capacitor C 5 are polar capacitor, and direct supply DC is the power supply of 7V to 20V voltage, and the positive pole of direct supply DC is connected with the first end of the first resistance R 1, the second end while of the first resistance R 1 and the negative pole of the second diode D2, the first end of the second resistance R 2, the first end of the 4th resistance R 4, the first end of the 7th resistance R 7, the negative pole of the 5th capacitor C 5, the emitter of the 4th triode Q4, the first end of the 9th resistance R 9 is connected with the first end of the 11 resistance R 11, the anodal while of the second diode D2 and the negative pole of the first diode D1, the positive pole of the second capacitor C 2, the emitter of the first triode Q1, the first end of the 6th resistance R 6, the 3rd positive pole of capacitor C 3 and the first end of the 11 resistance R 11 are connected and ground connection, the positive pole of the first diode D1 is connected with the positive pole of the first capacitor C 1 and as the signal input part VIN of Novel low noise detector circuit, the negative pole of the first capacitor C 1 is connected with the base stage of the second triode Q2 with the first end of the 3rd resistance R 3 simultaneously, the second end while of the 3rd resistance R 3 and the second end of the second resistance R 2, the collector of the first triode Q1 is connected with the negative pole of the second capacitor C 2, the base stage while of the first triode Q1 and the emitter of the second triode Q2, the first end of the 8th resistance R 8 is connected with the first end of the 5th resistance R 5, and the second end of the 5th resistance R 5 is connected with the negative pole of the 3rd capacitor C 3 with the second end of the 6th resistance R 6 simultaneously, the collector while of the second triode Q2 and the second end of the 4th resistance R 4, the emitter of the 3rd triode Q3 is connected with the first end of the 4th capacitor C 4, the collector of the 3rd triode Q3 is connected with the base stage of the 4th triode Q4 with the second end of the 7th resistance R 7 simultaneously, the base stage of the 3rd triode Q3 is connected with the second end of the 9th resistance R 9 with the positive pole of the 5th capacitor C 5 simultaneously, the collector of the 4th triode Q4 is connected with the first end of the tenth resistance R 10, the second end while of the tenth resistance R 10 and the second end of the 4th capacitor C 4, the second end of the 8th resistance R 8 is connected with the first end of the 6th capacitor C 6, and the second end of the 6th capacitor C 6 is as the signal output part VOUT of Novel low noise detector circuit.
In Novel low noise detector circuit described in the utility model, the first resistance R 1 and the 9th resistance R 9 are selected 1.5k Ω, the second resistance R 2 to the 3rd resistance R 3 is all selected 10 k Ω, the 4th resistance R 4 to the 6th resistance R 6 is all selected 20 k Ω, the 7th resistance R 7 and the tenth resistance R 10 are selected 1 k Ω, the 8th resistance R 8 is selected 30 k Ω, the 11 resistance R 11 is selected 1 M Ω, the selected model of the first triode Q1 to the four triode Q4 is 9014, the first capacitor C 1, the size of the second capacitor C 3 and the 6th capacitor C 6 is 1uF, the second capacitor C 2 sizes are 0.1 uF, the size of the 4th capacitor C 4 and the 5th capacitor C 5 is 10 uF.The utility model adopts constant biasing to being connected to the wave detector of input end, during voltage amplification factor 200 times, bandwidth is more than 1MHz, 1.2Db during noise figure during use is when work, lower than general detector noise, and simple in structure, in the time of in applying to equipment, can improve the serviceability of Whole Equipment, also reduce its cost of manufacture.
The technical solution of the utility model is not limited to the restriction of above-mentioned specific embodiment, and every technology distortion of making according to the technical solution of the utility model, within all falling into protection domain of the present utility model.
Claims (2)
1. a Novel low noise detector circuit, is characterized in that: comprise the first resistance, the second resistance, the 3rd resistance, the 4th resistance, the 5th resistance, the 6th resistance, the 7th resistance, the 8th resistance, the 9th resistance, the tenth resistance, the 11 resistance, the first electric capacity, the second electric capacity, the 3rd electric capacity, the 4th electric capacity, the 5th electric capacity, the 6th electric capacity, the first diode, the second diode, the first triode, the second triode, the 3rd triode, the 4th triode and direct supply, the positive pole of described direct supply is connected with the first end of described the first resistance, the second end while of described the first resistance and the negative pole of described the second diode, the first end of described the second resistance, the first end of described the 4th resistance, the first end of described the 7th resistance, the negative pole of described the 5th electric capacity, the emitter of described the 4th triode, the first end of described the 9th resistance is connected with the first end of described the 11 resistance, the anodal while of described the second diode and the negative pole of described the first diode, the positive pole of described the second electric capacity, the emitter of described the first triode, the first end of described the 6th resistance, described the 3rd positive pole of electric capacity and the first end of described the 11 resistance are connected and ground connection, the positive pole of described the first diode is connected with the positive pole of described the first electric capacity and as the signal input part of described Novel low noise detector circuit, the negative pole of described the first electric capacity is connected with the base stage of described the second triode with the first end of described the 3rd resistance simultaneously, the second end while of described the 3rd resistance and the second end of described the second resistance, the collector of described the first triode is connected with the negative pole of described the second electric capacity, the base stage while of described the first triode and the emitter of described the second triode, the first end of described the 8th resistance is connected with the first end of described the 5th resistance, the second end of described the 5th resistance is connected with the negative pole of described the 3rd electric capacity with the second end of described the 6th resistance simultaneously, the collector while of described the second triode and the second end of described the 4th resistance, the emitter of described the 3rd triode is connected with the first end of described the 4th electric capacity, the collector of described the 3rd triode is connected with the base stage of described the 4th triode with the second end of described the 7th resistance simultaneously, the base stage of described the 3rd triode is connected with the second end of described the 9th resistance with the positive pole of described the 5th electric capacity simultaneously, the collector of described the 4th triode is connected with the first end of described the tenth resistance, the second end while of described the tenth resistance and the second end of described the 4th electric capacity, the second end of described the 8th resistance is connected with the first end of described the 6th electric capacity, and the second end of described the 6th electric capacity is as the signal output part of described Novel low noise detector circuit.
2. a kind of Novel low noise detector circuit according to claim 1, is characterized in that: described the first electric capacity, described the second electric capacity, described the 3rd electric capacity and described the 5th electric capacity are polar capacitor, and described direct supply is the power supply of 7V to 20V voltage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420135336.4U CN203857978U (en) | 2014-03-25 | 2014-03-25 | Novel low noise wave detector circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420135336.4U CN203857978U (en) | 2014-03-25 | 2014-03-25 | Novel low noise wave detector circuit |
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| Publication Number | Publication Date |
|---|---|
| CN203857978U true CN203857978U (en) | 2014-10-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420135336.4U Expired - Fee Related CN203857978U (en) | 2014-03-25 | 2014-03-25 | Novel low noise wave detector circuit |
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| CN (1) | CN203857978U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104581534A (en) * | 2015-01-22 | 2015-04-29 | 四川省阳子森环保设备有限公司 | Efficient noise control device |
-
2014
- 2014-03-25 CN CN201420135336.4U patent/CN203857978U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104581534A (en) * | 2015-01-22 | 2015-04-29 | 四川省阳子森环保设备有限公司 | Efficient noise control device |
| CN104581534B (en) * | 2015-01-22 | 2017-12-12 | 四川省阳子森环保设备有限公司 | A kind of efficient noise controller |
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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: 20141001 Termination date: 20150325 |
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| EXPY | Termination of patent right or utility model |