CN103457538B - Stabilization signal circuit for generating - Google Patents
Stabilization signal circuit for generating Download PDFInfo
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- CN103457538B CN103457538B CN201310407693.1A CN201310407693A CN103457538B CN 103457538 B CN103457538 B CN 103457538B CN 201310407693 A CN201310407693 A CN 201310407693A CN 103457538 B CN103457538 B CN 103457538B
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- electric capacity
- resistance
- diode
- audion
- signal circuit
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Abstract
The invention discloses a kind of stabilization signal circuit for generating, including amplifier, diode, electric capacity, inductance, audion and resistance, the present invention is to exporting signal through zero-crossing comparator, it is possible to require to select according to difference, simultaneously, regulate variable resistance, could alter that amplitude output signal, meet customer need, its applied range, and signal stabilization, it is adaptable in small electrical subsystem application.
Description
Technical field
The present invention relates to a kind of signal generating circuit, particularly to a kind of stabilization signal circuit for generating.
Background technology
In engineer applied, such as produce in circuit at the low frequency of experiment and high-frequency signal, often require that signal generator can produce the frequency of oscillation of certain degree of stability, the signal purer with output, and often wave filter cannot filter out all useless signals or is filtered by part useful signal, successive projects application is caused certain interference, affects experimental data accuracy.
Therefore need a kind of new technical scheme to solve the problems referred to above.
Summary of the invention
Goal of the invention: for above-mentioned prior art Problems existing and deficiency, it is an object of the invention to provide a kind of stabilization signal circuit for generating, and its cost is low, stable performance.
Technical scheme: the technical solution used in the present invention is a kind of stabilization signal circuit for generating, including amplifier, diode, electric capacity, inductance, audion and resistance, the base stage of audion is connected with variable-resistance adjustable side, variable-resistance other end ground connection, the colelctor electrode of audion accesses positive voltage by the first inductance, the emitter stage of audion is by the series connection ground connection of the 3rd resistance and the 4th resistance, the colelctor electrode of audion is connected with the normal phase input end of amplifier by the series connection of the 3rd electric capacity and the 5th resistance, one end that 3rd electric capacity and the 5th resistance are connected is connected with one end of the 4th electric capacity, the other end of the 4th electric capacity and one end of the 5th electric capacity are connected, and be connected with one end of the 3rd resistance, the other end of the 5th electric capacity and the positive pole of the 3rd diode are connected, the negative pole of the 3rd diode and the negative pole of the second diode are connected, the positive pole of the second diode is connected with the base stage of audion by the first electric capacity, the reverse inter-input-ing ending grounding of amplifier.
Preferably, also including the second inductance, one end of the second inductance is connected with one end of the 4th electric capacity, and the other end of its other end and the 5th electric capacity is connected.
Preferably, the base stage of audion is connected by the negative pole of the second resistance and the first diode, and the positive pole of the first diode connects positive voltage.
Preferably, the two ends of the 4th resistance are parallel with the second electric capacity.
Preferably, the inverting input of amplifier and the positive pole of the 4th diode are connected, and the negative pole of its normal phase input end and the 4th diode is connected.
Beneficial effect: the present invention is compared with prior art, its advantage is that the present invention is to exporting signal through zero-crossing comparator, can require to select according to difference, meanwhile, variable resistance is regulated, it is possible to change amplitude output signal, meet customer need, its applied range, and signal stabilization, it is adaptable in small electrical subsystem application.
Accompanying drawing explanation
Fig. 1 is the circuit diagram of the present invention.
Detailed description of the invention
As it is shown in figure 1, the present invention includes amplifier, diode, electric capacity, inductance, audion and resistance, the base stage of audion Q1 is connected with the adjustable side of variable resistance R1, the other end ground connection of variable resistance R1, the colelctor electrode of audion Q1 accesses positive voltage by the first inductance L1, the emitter stage of the audion Q1 series connection ground connection by the 3rd resistance R3 and the four resistance R4, the colelctor electrode of audion Q1 is connected with the normal phase input end of amplifier U1 by the series connection of the 3rd electric capacity C3 and the five resistance R5, one end that 3rd electric capacity C3 and the five resistance R5 is connected is connected with one end of the 4th electric capacity C4, the other end of the 4th electric capacity C4 and one end of the 5th electric capacity C5 are connected, and be connected with one end of the 3rd resistance R3, the other end of the 5th electric capacity C5 and the positive pole of the 3rd diode D3 are connected, the negative pole of the 3rd diode D3 and the negative pole of the second diode D2 are connected, the positive pole of the second diode D2 is connected by the base stage of the first electric capacity C1 and audion Q1, the inverting input ground of amplifier U1.
Present invention additionally comprises the second inductance L2, one end of second inductance L2 is connected with one end of the 4th electric capacity C4, the other end of its other end and the 5th electric capacity C5 is connected, the base stage of audion Q1 is connected by the negative pole of the second resistance R2 and the first diode D1, the positive pole of the first diode D1 connects positive voltage, the positive pole of inverting input and the 4th diode D4 that the two ends of the 4th resistance R4 are parallel with the second electric capacity R2, amplifier U1 is connected, and the negative pole of its normal phase input end and the 4th diode D4 is connected.
The present invention is to exporting signal through zero-crossing comparator, it is possible to require to select according to difference, meanwhile, regulates variable resistance, it is possible to change amplitude output signal, meet customer need, its applied range, and signal stabilization, it is adaptable in small electrical subsystem application.
Claims (5)
1. stabilization signal circuit for generating, it is characterised in that: include amplifier, diode, electric capacity, inductance, audion and resistance, the base stage of described audion (Q1) is connected with the adjustable side of variable resistance (R1), the other end ground connection of variable resistance (R1), the colelctor electrode of described audion (Q1) accesses positive voltage by the first inductance (L1), the emitter stage of audion (Q1) is by the series connection ground connection of the 3rd resistance (R3) and the 4th resistance (R4), the colelctor electrode of audion (Q1) is connected with the normal phase input end of amplifier (U1) with the series connection of the 5th resistance (R5) by the 3rd electric capacity (C3), one end that described 3rd electric capacity (C3) is connected with the 5th resistance (R5) is connected with one end of the 4th electric capacity (C4), the other end of the 4th electric capacity (C4) and one end of the 5th electric capacity (C5) are connected, and be connected with one end of the 3rd resistance (R3), the other end of described 5th electric capacity (C5) and the positive pole of the 3rd diode (D3) are connected, the negative pole of the 3rd diode (D3) and the negative pole of the second diode (D2) are connected, the positive pole of described second diode (D2) is connected with the base stage of audion (Q1) by the first electric capacity (C1), the reverse inter-input-ing ending grounding of described amplifier (U1).
2. stabilization signal circuit for generating according to claim 1, it is characterized in that: also include the second inductance (L2), one end of described second inductance (L2) is connected with one end of the 4th electric capacity (C4), and the other end of its other end and the 5th electric capacity (C5) is connected.
3. stabilization signal circuit for generating according to claim 1, it is characterised in that: the base stage of described audion (Q1) is connected with the negative pole of the first diode (D1) by the second resistance (R2), and the positive pole of described first diode (D1) connects positive voltage.
4. stabilization signal circuit for generating according to claim 1, it is characterised in that: the two ends of described 4th resistance (R4) are parallel with the second electric capacity (C2).
5. stabilization signal circuit for generating according to claim 1, it is characterised in that: the inverting input of described amplifier (U1) and the positive pole of the 4th diode (D4) are connected, and the negative pole of its normal phase input end and the 4th diode (D4) is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310407693.1A CN103457538B (en) | 2013-09-10 | 2013-09-10 | Stabilization signal circuit for generating |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310407693.1A CN103457538B (en) | 2013-09-10 | 2013-09-10 | Stabilization signal circuit for generating |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103457538A CN103457538A (en) | 2013-12-18 |
| CN103457538B true CN103457538B (en) | 2016-06-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310407693.1A Expired - Fee Related CN103457538B (en) | 2013-09-10 | 2013-09-10 | Stabilization signal circuit for generating |
Country Status (1)
| Country | Link |
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| CN (1) | CN103457538B (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201846243U (en) * | 2010-11-18 | 2011-05-25 | Bcd半导体制造有限公司 | Zero-crossing detection circuit of switching power supply |
| CN102457203A (en) * | 2010-10-26 | 2012-05-16 | 吴迪 | Inversion trigger circuit for induction heating power supply |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11340736A (en) * | 1998-05-29 | 1999-12-10 | Hitachi Denshi Ltd | Voltage control oscillator |
| JP4245391B2 (en) * | 2003-03-27 | 2009-03-25 | 株式会社ルネサステクノロジ | Wireless communication system and communication semiconductor integrated circuit |
-
2013
- 2013-09-10 CN CN201310407693.1A patent/CN103457538B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102457203A (en) * | 2010-10-26 | 2012-05-16 | 吴迪 | Inversion trigger circuit for induction heating power supply |
| CN201846243U (en) * | 2010-11-18 | 2011-05-25 | Bcd半导体制造有限公司 | Zero-crossing detection circuit of switching power supply |
Non-Patent Citations (1)
| Title |
|---|
| CCD投影法直径测量系统的信号处理电路;郑理;《电子测量技术》;20090831;全文 * |
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| CN103457538A (en) | 2013-12-18 |
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Effective date of registration: 20160810 Address after: 215300 2 building, 3 Feng Feng Road, Zhang Pu town, Suzhou, Jiangsu Patentee after: Kunshan Longshida Electronic Material Co.,Ltd. Address before: Suzhou City, Jiangsu Province, Kunshan City Zhang Pu Feng Zhenjiang Road No. 3 room 2 Patentee before: Kunshan Xinjinfu Precision Electronics Co., Ltd. |
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Granted publication date: 20160608 Termination date: 20160910 |