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Index 412

The example of phase-shift oscillator circuit

Published:2011/11/22 2:20:00 Author:Ecco | Keyword: phase-shift oscillator

The example of phase-shift oscillator circuit
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The sawtooth circuit using transistor as a constant current source

Published:2011/11/22 20:46:00 Author:Ecco | Keyword: sawtooth circuit , transistor , constant current source

The sawtooth circuit using transistor as a constant current source
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Universal signal generator with 8038

Published:2011/11/10 20:47:00 Author:Ecco | Keyword: Universal signal generator

Universal signal generator with 8038
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The self-excited sawtooth circuit using transistor to replace RD

Published:2011/11/22 21:01:00 Author:Ecco | Keyword: self-excited sawtooth , transistor , replace, RD

The self-excited sawtooth circuit using transistor to replace RD
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Bootstrap step wave circuit

Published:2011/11/22 21:01:00 Author:Ecco | Keyword: Bootstrap step wave

Bootstrap step wave circuit
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Bootstrap compensation sawtooth circuit

Published:2011/11/21 2:24:00 Author:Ecco | Keyword: Bootstrap compensation sawtooth

Bootstrap compensation sawtooth circuit
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The lkHz Quick Start gating circuit using phase-shift oscillator

Published:2011/11/22 21:10:00 Author:Ecco | Keyword: lkHz , Quick Start , gating circuit, phase-shift oscillator

The lkHz Quick Start gating circuit using phase-shift oscillator
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Distortional capacitor negative feedback sawtooth circuit

Published:2011/11/22 21:08:00 Author:Ecco | Keyword: Distortional, capacitor negative feedback, sawtooth circuit

Distortional capacitor negative feedback sawtooth circuit
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50kHz Meacham Eminem Mitch bridge oscillator

Published:2011/11/22 2:25:00 Author:Ecco | Keyword: 50kHz , Meacham Eminem , Mitch , bridge oscillator

50kHz Meacham Eminem Mitch bridge oscillator
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400Hz signal source

Published:2011/11/21 1:40:00 Author:Ecco | Keyword: 400Hz signal source

400Hz signal source
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0.2 ~ 20000Hz voltage controlled ramp signal generator

Published:2011/11/21 1:40:00 Author:Ecco | Keyword: 0.2 ~ 20000Hz, voltage controlled , ramp , signal generator

0.2 ~ 20000Hz voltage controlled ramp signal generator
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A multi-purpose signal generator circuit

Published:2011/11/21 1:30:00 Author:Ecco | Keyword: multi-purpose signal generator

A multi-purpose signal generator circuit
The circuit is shown as the chart, IC1, C1 form the oscillator with frequency being 400HZ; IC2, C3 form the 37MHZ about high-frequency oscillator ; the low-frequency signal output from the C2 can make modulation for high-frequency signal. C4 and antenna constitute a launch system. High-frequency oscillator's harmonic can be used as the three channel receiver in the television(or other channel ), and it shows black and white stripe signal. Points A , B output signals , which are respectively used for the detection signal source for low-frequency channel and image. C3 can replace the quartz crystal to stabilize the oscillation frequency, and it is shown in dotted line. Frequency can be selected 465KHZ, 10.7KHZ, 6.5KHZ, 4.43MHZ, 37MHZ. (View)

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Astable flip-flop multivibrator circuit

Published:2011/11/21 1:14:00 Author:Ecco | Keyword: Astable flip-flop multivibrator

Astable flip-flop multivibrator circuit
The two parts' components and model parameters correspond to the same time to get a 1:1 duty cycle square wave , and the frequency RB is Rb1 or Rb2 in the figure, the upper limited value Rb1 <0.5BRc1; Rb2 <0.5 BRc2. Here B is the transistor collector current amplification factor. The lower limited resistance Rb1> 10Rc1; Rb2> 10Rc2. In circuit, the rectangular wave's frequency is 10Hz. (View)

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Simultaneous adjustment sawtooth circuit

Published:2011/11/21 1:01:00 Author:Ecco | Keyword: Simultaneous adjustment sawtooth

Simultaneous adjustment sawtooth circuit
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Time scale sawtooth wave generating circuit

Published:2011/11/21 1:54:00 Author:Ecco | Keyword: Time scale , sawtooth wave generating

Time scale sawtooth wave generating circuit
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Rectangular liquid generator circuit diagram 1.9

Published:2011/11/21 0:55:00 Author:Ecco | Keyword: Rectangular liquid generator

Rectangular liquid generator circuit diagram 1.9
In the circuit , T1 and T2 form the inherent oscillator. T3 is the output stage . The network consists of high-pass filter (C3, C4, R6 + R7) and low-pass filter, and its output is added to T3 base by C6, R8, and it obtains the required rectangular wave oscillation signal on the collector of T3. (View)

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The sawtooth wave self-excitation circuit with adjustable frequency

Published:2011/11/21 1:53:00 Author:Ecco | Keyword: sawtooth wave , self-excitation , adjustable frequency

The sawtooth wave self-excitation circuit with adjustable frequency

The relationship between sawtooth frequency f, capacitor C, resistor R is shown as the table. (View)