CN104467678A - Simple frequency doubler - Google Patents
Simple frequency doubler Download PDFInfo
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- CN104467678A CN104467678A CN201410665972.2A CN201410665972A CN104467678A CN 104467678 A CN104467678 A CN 104467678A CN 201410665972 A CN201410665972 A CN 201410665972A CN 104467678 A CN104467678 A CN 104467678A
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Abstract
The invention discloses a simple frequency doubler. The simple frequency doubler is characterized by being composed of a buffering circuit, a voltage-controlled oscillation circuit connected with the buffering circuit, a microwave circuit connected with the voltage-controlled oscillation circuit, and a control circuit connected with the microwave circuit; the voltage-controlled oscillation circuit is composed of an oscillation chip U, a capacitor C3, a capacitor C5, a capacitor C6 and the like, wherein the positive electrode of the capacitor C3 passes a resistor R2 and a resistor R1 and then is connected with a VCC pin of the oscillation chip U, the negative electrode of the capacitor C3 is grounded, the positive electrode of the capacitor C5 is connected with the VCC pin of the oscillation chip U, the negative electrode of the capacitor C5 is grounded, the positive electrode of the capacitor C6 is connected with an OUT pin of the oscillation chip U, and the negative electrode of the capacitor C6 is connected with the microwave circuit. The simple frequency doubler is simple in overall structure, easy to operate, low in manufacturing cost and capable of saving a large amount of manufacturing cost.
Description
Technical field
The present invention relates to electronic applications, specifically refer to a kind of simple and easy frequency multiplier.
Background technology
Frequency multiplier makes output signal frequency equal the circuit of frequency input signal integral multiple.Along with the development of electronic technology, frequency multiplier application is more and more extensive, as master oscillator made to vibrate at lower frequency, to improve frequency stability after transmitter employing frequency multiplier; Frequency modulation equipment frequency multiplier increases frequency shift (FS); In phase keying communication equipment, frequency multiplier is an important composition unit of carrier recovery circuit.But the frequency multiplier complex circuit used at present, thus make its manufacturing cost too high.
Summary of the invention
The object of the invention is to the defect overcoming current frequency multiplier complex circuit, the simple and easy frequency multiplier that a kind of structure is simple, cheap is provided.
The following technical scheme of object of the present invention realizes: a kind of simple and easy frequency multiplier, by buffer circuit, and the Voltage-Controlled oscillation circuit be connected with buffer circuit, be connected with Voltage-Controlled oscillation circuit microwave circuit, and the control circuit be connected with microwave circuit forms; Described Voltage-Controlled oscillation circuit is by the chip U that vibrates, positive pole is connected with the VCC pin of vibration chip U after resistance R1 through resistance R2, the electric capacity C3 of minus earth, positive pole is connected with the VCC pin of vibration chip U, the electric capacity C5 of minus earth, the electric capacity C6 that OUT pin is connected, negative pole is connected with microwave circuit of positive pole and vibration chip U, and positive pole is connected with the CONT pin of vibration chip U, the electric capacity C4 of minus earth forms; The DISCH pin of described vibration chip U is connected with buffer circuit, RESET pin is connected with VCC pin, VCC pin is connected with external power source, GND pin ground connection, TRIG pin are connected with TRIG pin as an input of circuit, THRES pin.
Further, described buffer circuit comprises electric capacity C1, electric capacity C2, inductance L 1, inductance L 2; The negative pole of electric capacity C1 is connected with the DISCH pin of vibration chip U after inductance L 2 through inductance L 1, positive pole is connected with the TRIG pin of vibration chip U, and the negative pole of electric capacity C2 is connected with the tie point of inductance L 2 with inductance L 1, positive pole is connected with the positive pole of electric capacity C1.
Described microwave circuit is by diode D1, and diode D2, diode D3, electric capacity C7, electric capacity C8, electric capacity C9 form; The P pole of diode D2 is connected with the negative pole of electric capacity C6, N pole is connected with control circuit, the P pole of diode D1 is connected with the positive pole of electric capacity C5, N pole is connected with the positive pole of electric capacity C5 after diode D3 and electric capacity C7 through electric capacity C8, and the negative pole of electric capacity C9 is connected with control circuit with the positive pole of electric capacity C5 simultaneously, positive pole is connected with the tie point of electric capacity C8 and diode D3 and control circuit simultaneously.
Described control circuit is by triode VT1, triode VT2, the voltage stabilizing didoe D4 that P pole is connected with the negative pole of electric capacity C9, N pole is connected with the base stage of triode VT1, the resistance R3 that one end is connected with the P pole of voltage stabilizing didoe D4, the other end is connected with the emitter of triode VT1, and the diode D5 that P pole is connected with the collector electrode of triode VT1, N pole is connected with the positive pole of electric capacity C9 forms; The emitter of described triode VT1 is connected with the base stage of triode VT2, base stage is connected with the N pole of diode D2, and grounded collector, the emitter of triode VT2 are connected with the positive pole of electric capacity C9.
The present invention compared with prior art, has the following advantages and beneficial effect:
(1) overall structure of the present invention is simple, is easy to operation.
(2) the present invention is cheap, the manufacturing cost that more enough saving are very large.
Accompanying drawing explanation
Fig. 1 is overall structure schematic diagram of the present invention.
Embodiment
Below in conjunction with specific embodiment, the present invention is described in further detail, but embodiments of the present invention are not limited thereto.
Embodiment
As shown in Figure 1, simple and easy frequency multiplier of the present invention, by buffer circuit, the Voltage-Controlled oscillation circuit be connected with buffer circuit, be connected with Voltage-Controlled oscillation circuit microwave circuit, and the control circuit be connected with microwave circuit forms.
Wherein, Voltage-Controlled oscillation circuit is by the chip U that vibrates, positive pole is connected with the VCC pin of vibration chip U after resistance R1 through resistance R2, the electric capacity C3 of minus earth, positive pole is connected with the VCC pin of vibration chip U, the electric capacity C5 of minus earth, the electric capacity C6 that OUT pin is connected, negative pole is connected with microwave circuit of positive pole and vibration chip U, and positive pole is connected with the CONT pin of vibration chip U, the electric capacity C4 of minus earth forms; The DISCH pin of described vibration chip U is connected with buffer circuit, RESET pin is connected with VCC pin, VCC pin is connected with external power source, GND pin ground connection, TRIG pin are connected with TRIG pin as an input of circuit, THRES pin.In order to better implement the present invention, described vibration chip U is preferably NE555 integrated circuit.
Further, described buffer circuit comprises electric capacity C1, electric capacity C2, inductance L 1, inductance L 2.During connection, the negative pole of electric capacity C1 is connected with the DISCH pin of vibration chip U after inductance L 2 through inductance L 1, positive pole is connected with the TRIG pin of vibration chip U, and the negative pole of electric capacity C2 is connected with the tie point of inductance L 2 with inductance L 1, positive pole is connected with the positive pole of electric capacity C1.
Meanwhile, microwave circuit is by diode D1, and diode D2, diode D3, electric capacity C7, electric capacity C8, electric capacity C9 form.During connection, the P pole of diode D2 is connected with the negative pole of electric capacity C6, N pole is connected with control circuit, the P pole of diode D1 is connected with the positive pole of electric capacity C5, N pole is connected with the positive pole of electric capacity C5 after diode D3 and electric capacity C7 through electric capacity C8, and the negative pole of electric capacity C9 is connected with control circuit with the positive pole of electric capacity C5 simultaneously, positive pole is connected with the tie point of electric capacity C8 and diode D3 and control circuit simultaneously.
In order to make frequency of oscillation strict be locked in incoming frequency doubly take advantage of in value, therefore be provided with control circuit its by triode VT1, triode VT2, the voltage stabilizing didoe D4 that P pole is connected with the negative pole of electric capacity C9, N pole is connected with the base stage of triode VT1, the resistance R3 that one end is connected with the P pole of voltage stabilizing didoe D4, the other end is connected with the emitter of triode VT1, and the diode D5 that P pole is connected with the collector electrode of triode VT1, N pole is connected with the positive pole of electric capacity C9 forms; The emitter of described triode VT1 is connected with the base stage of triode VT2, base stage is connected with the N pole of diode D2, and grounded collector, the emitter of triode VT2 are connected with the positive pole of electric capacity C9.
As mentioned above, just well the present invention can be realized.
Claims (4)
1. a simple and easy frequency multiplier, is characterized in that: by buffer circuit, the Voltage-Controlled oscillation circuit be connected with buffer circuit, and be connected with Voltage-Controlled oscillation circuit microwave circuit, and the control circuit be connected with microwave circuit forms; Described Voltage-Controlled oscillation circuit is by the chip U that vibrates, positive pole is connected with the VCC pin of vibration chip U after resistance R1 through resistance R2, the electric capacity C3 of minus earth, positive pole is connected with the VCC pin of vibration chip U, the electric capacity C5 of minus earth, the electric capacity C6 that OUT pin is connected, negative pole is connected with microwave circuit of positive pole and vibration chip U, and positive pole is connected with the CONT pin of vibration chip U, the electric capacity C4 of minus earth forms; The DISCH pin of described vibration chip U is connected with buffer circuit, RESET pin is connected with VCC pin, VCC pin is connected with external power source, GND pin ground connection, TRIG pin are connected with TRIG pin as an input of circuit, THRES pin.
2. the simple and easy frequency multiplier of one according to claim 1, is characterized in that: described buffer circuit comprises electric capacity C1, electric capacity C2, inductance L 1, inductance L 2; The negative pole of electric capacity C1 is connected with the DISCH pin of vibration chip U after inductance L 2 through inductance L 1, positive pole is connected with the TRIG pin of vibration chip U, and the negative pole of electric capacity C2 is connected with the tie point of inductance L 2 with inductance L 1, positive pole is connected with the positive pole of electric capacity C1.
3. the simple and easy frequency multiplier of one according to claim 2, is characterized in that: described microwave circuit is by diode D1, and diode D2, diode D3, electric capacity C7, electric capacity C8, electric capacity C9 form; The P pole of diode D2 is connected with the negative pole of electric capacity C6, N pole is connected with control circuit, the P pole of diode D1 is connected with the positive pole of electric capacity C5, N pole is connected with the positive pole of electric capacity C5 after diode D3 and electric capacity C7 through electric capacity C8, and the negative pole of electric capacity C9 is connected with control circuit with the positive pole of electric capacity C5 simultaneously, positive pole is connected with the tie point of electric capacity C8 and diode D3 and control circuit simultaneously.
4. the simple and easy frequency multiplier of one according to claim 3, it is characterized in that: described control circuit is by triode VT1, triode VT2, the voltage stabilizing didoe D4 that P pole is connected with the negative pole of electric capacity C9, N pole is connected with the base stage of triode VT1, the resistance R3 that one end is connected with the P pole of voltage stabilizing didoe D4, the other end is connected with the emitter of triode VT1, and the diode D5 that P pole is connected with the collector electrode of triode VT1, N pole is connected with the positive pole of electric capacity C9 forms; The emitter of described triode VT1 is connected with the base stage of triode VT2, base stage is connected with the N pole of diode D2, and grounded collector, the emitter of triode VT2 are connected with the positive pole of electric capacity C9.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410665972.2A CN104467678A (en) | 2014-11-19 | 2014-11-19 | Simple frequency doubler |
| CN201510282515.XA CN104852688A (en) | 2014-11-19 | 2015-05-28 | Simple frequency multiplier based on pulse amplification trigger circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410665972.2A CN104467678A (en) | 2014-11-19 | 2014-11-19 | Simple frequency doubler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104467678A true CN104467678A (en) | 2015-03-25 |
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Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410665972.2A Pending CN104467678A (en) | 2014-11-19 | 2014-11-19 | Simple frequency doubler |
| CN201510282515.XA Withdrawn CN104852688A (en) | 2014-11-19 | 2015-05-28 | Simple frequency multiplier based on pulse amplification trigger circuit |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510282515.XA Withdrawn CN104852688A (en) | 2014-11-19 | 2015-05-28 | Simple frequency multiplier based on pulse amplification trigger circuit |
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| Country | Link |
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| CN (2) | CN104467678A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104852688A (en) * | 2014-11-19 | 2015-08-19 | 成都冠深科技有限公司 | Simple frequency multiplier based on pulse amplification trigger circuit |
| CN105219898A (en) * | 2015-10-10 | 2016-01-06 | 成都申川节能环保工程有限公司 | Based on the pressure-controlled vibration cogeneration energy-saving control system of over-voltage over-current protection |
| CN105238898A (en) * | 2015-10-10 | 2016-01-13 | 成都申川节能环保工程有限公司 | Energy-saving control system based on voltage-controlled oscillating and used for blast furnace superconductive cooling waste heat power generation |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU2002322203A1 (en) * | 2001-07-18 | 2003-03-03 | Vrije Universiteit Brussel (Vub) | Line equalizer with differentiating circuit and hysteresis decoder |
| CN103760175A (en) * | 2014-02-08 | 2014-04-30 | 四川环龙技术织物有限公司 | Circuit system for measuring humidity of papermaking felt through microwave technique |
| CN104467678A (en) * | 2014-11-19 | 2015-03-25 | 成都创图科技有限公司 | Simple frequency doubler |
| CN204335053U (en) * | 2014-11-28 | 2015-05-13 | 成都措普科技有限公司 | A kind of mixed type raster data model system |
-
2014
- 2014-11-19 CN CN201410665972.2A patent/CN104467678A/en active Pending
-
2015
- 2015-05-28 CN CN201510282515.XA patent/CN104852688A/en not_active Withdrawn
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104852688A (en) * | 2014-11-19 | 2015-08-19 | 成都冠深科技有限公司 | Simple frequency multiplier based on pulse amplification trigger circuit |
| CN105219898A (en) * | 2015-10-10 | 2016-01-06 | 成都申川节能环保工程有限公司 | Based on the pressure-controlled vibration cogeneration energy-saving control system of over-voltage over-current protection |
| CN105238898A (en) * | 2015-10-10 | 2016-01-13 | 成都申川节能环保工程有限公司 | Energy-saving control system based on voltage-controlled oscillating and used for blast furnace superconductive cooling waste heat power generation |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104852688A (en) | 2015-08-19 |
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Application publication date: 20150325 |