Oscillator Circuit

Fixed-amplitude RC phaser oscillator circuit diagram

Published:2011/9/2 1:34:00 Author:Ecco | Keyword: Fixed-amplitude RC, phaser oscillator

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Low-cost second signal oscillator circuit diagram

Published:2011/9/9 2:34:00 Author:Ecco | Keyword: second signal oscillator

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Three-phase output oscillator circuit diagram

Published:2011/9/2 1:36:00 Author:Ecco | Keyword: Three-phase output , oscillator

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Oscillator connection circuit diagram

Published:2011/9/1 1:55:00 Author:Ecco | Keyword: Oscillator connection

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Colpitts oscillator circuit diagram

Published:2011/8/18 1:22:00 Author:Jessie | Keyword: Colpitts oscillator

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High-frequency high-voltage oscillator(DC voltage convertor) circuit diagram

Published:2011/8/18 1:23:00 Author:Jessie | Keyword: High-frequency high-voltage oscillator, DC voltage convertor

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Electronic voltage regulated electromagnetic vibration circuit diagram

Published:2011/8/18 1:29:00 Author:Jessie | Keyword: Electronic voltage regulated, electromagnetic vibration

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Complementary tube free running multivibrator circuit diagram

Published:2011/8/18 1:47:00 Author:Jessie | Keyword: Complementary tube, free running, multivibrator

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Multiple unit tube RC bridge oscillation circuit diagram

Published:2011/8/18 2:12:00 Author:Jessie | Keyword: multiple unit tube, bridge, oscillation

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Common emitter inductance feedback oscillation circuit diagram

Published:2011/8/18 2:14:00 Author:Jessie | Keyword: common emitter, inductance feedback oscillation

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Transformer oscillator(single tube) circuit diagram

Published:2011/8/25 1:40:00 Author:Ecco | Keyword: Transformer oscillator, single tube

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Classic Cyle circuit

Published:2011/8/14 7:39:00 Author:leo | Keyword: Classic Cyle circuit

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The oscillator formed by CC4066

Published:2011/8/14 5:48:00 Author:leo | Keyword: Oscillator

As the picture shows, this is an oscillator made by CMOS analog electronic switch CC4066. The circuit in the picture is formed by two electronic switches. The frequency of this oscillator is decided by resistance components. When the R1 =R2 and C1=C2, the circuit generates square wave and f=1/2RC.   (View)

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Square wave oscillator(741)

Published:2011/8/14 7:06:00 Author:leo | Keyword: Square wave, oscillator

As the picture shows, this is an oscillator of square wave. It can generate the square wave with more than 100 to 1000 Hz frequency. Its frequency can be adjusted through resistor with 100kohms and 1Mohms. And the linearity of its output square wave is adjusted by resistor with 10kohms. If it only outputs at the same frequency, it can use fixed resistor to replace 100kohms and 1Mohms resistors.   (View)

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Direct self-excited feedback astable multivibrator circuit composed of 555

Published:2011/8/15 22:23:00 Author:Ecco | Keyword: Direct self-excited feedback, astable multivibrator , 555

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Venturi Bridge Oscillation Circuit of LM377

Published:2011/8/3 6:44:00 Author:Michel | Keyword: Venturi Bridge, Oscillation Circuit

The picture 1 is Venturi bridge oscillation circuit of LM377.In the circuit,VT1 is used to limit the amplitude of the oscillating circuit and C3 and C6 are isolation capacitances.C5 is used to prevent high frequency oscillation.The series loop circuit composed of R2 and C2 and parallel loop circuit composed of R1 and C1 constitute postive feedback circuit.It can determine the oscillation frequency of the circuit.R10,R4,R6 and VT1 constitute negative feedback circuit and decides the limiting amplitude of the circuit. When it is 10 KHz,the circuit distortion rate is lower than 1% and the distortion rate can be improved via adjusting the resistance value.According to the circuit parameters,the effective output voltage is 7.5V when it is 60Hz.   (View)

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1024KHz temperature compensation crystal oscillator circuit diagram

Published:2011/8/9 19:59:00 Author:Sophia | Keyword: 1024KHz temperature compensation, crystal oscillator

This circuit SJT is 1024kHz temperature compensation crystal oscillator. Circuit theoryis asshown. Because output signal level of the circuit is low, the buffer of follow-up transistor VTl is amplified. VTl base bias resistor R2, the load resistor R3, the emitter resistor R4 are the negative feedback resistors for stablizing VTl DC operating point. Zener diode VDl, VD2, capacitor Cl form stabilivolt and filter circuit to reduce the influency of the supply voltage fluctuations on the frequency of the crystal SJT. Resistors Rl and potentiometer RP TCXO provide bias voltage. regulation of RP can fine-tune the oscillator to reach precise frequency.   (View)

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74 Series digital circuit of 74LS326 dual VCO(two-way output with controlling)

Published:2011/8/9 3:29:00 Author:Lucas | Keyword: 74 Series , digital circuit , dual VCO, two-way output, controlling

There are two independent voltage-controlled oscillators; output frequency is determined by the external components; it can works at any frequency between 0.12Hz and 30MHZ; it has the complementary output and allowable input end.   (View)

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74 Series digital circuit of 74LS321 crystal-controlled oscillator

Published:2011/8/1 20:51:00 Author:Lucas | Keyword: 74 Series, digital circuit, crystal-controlled oscillator

It is similar to 74LS320, but there are two TTL-level outputs by counting F / 2 and F / 4.   (View)

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74 Series digital circuit of 74LS325 dual VCO(two-phase output)

Published:2011/8/1 20:34:00 Author:Lucas | Keyword: 74 Series, digital circuit , dual VCO, two-phase output

There are two independent voltage-controlled oscillators; output frequency is determined by the external components; it can works at any frequency between 0.12Hz and 30MHZ; it has the complementary output.   (View)

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