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Index 47



Common phase shift oscillator (lkHz Quick Start gating circuit )

Published:2011/11/27 21:20:00 Author:Ecco | Keyword: Common , phase shift oscillator , lkHz, Quick Start, gating circuit

Common phase shift oscillator (lkHz Quick Start gating circuit )
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TTL crystal oscillator

Published:2011/11/28 0:38:00 Author:Ecco | Keyword: TTL , crystal oscillator

TTL crystal oscillator
TTL crystal oscillator
TTL crystal oscillator
TTL crystal oscillator

Quartz crystal and the coupling capacitorin symmetric multi-harmonic are connectedin series to form the crystal oscillator circuit, andthe quartz crystal oscillation frequency depends on the resonant frequency,not R, C. Figure b changesthe coupling capacitorof Figure ainto the coupling resistor. Figure c, dare the deformations of Figure a, b, but also two practical circuits.   (View)

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VGA sync signal automatic oscillator

Published:2011/11/28 0:34:00 Author:Ecco | Keyword: VGA , sync signal, automatic oscillator

VGA sync signal automatic oscillator
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RC bridge and RC bridge oscillator circuit

Published:2011/11/28 0:33:00 Author:Ecco | Keyword: RC bridge , RC bridge oscillator

RC bridge and RC bridge oscillator circuit
RC bridge and RC bridge oscillator circuit

The principle of RC bridge:   (View)

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RC low-frequency oscillator circuit

Published:2011/11/10 21:15:00 Author:Ecco | Keyword: RC, low-frequency oscillator circuit

RC low-frequency oscillator circuit
The oscillator with frequency below 10Hz is very appropriate to use RC oscillator. Zener diode is used here to stabilize the rate, the output peak - peak voltage can be adjusted between 0 ~ 4V , frequency is 6.5HZ. If it uses the value in the arc, the frequency can be as low as 0.01HZ. Oscillator's absorbing current is about 3mA.   (View)

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RC phaser oscillator

Published:2011/11/10 20:57:00 Author:Ecco | Keyword: RC phaser oscillator

RC phaser oscillator
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RC phase-shift oscillator

Published:2011/11/10 20:55:00 Author:Ecco | Keyword: RC , phase-shift oscillator

RC phase-shift oscillator
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RC bridge oscillator and its equivalent circuit

Published:2011/11/10 20:54:00 Author:Ecco | Keyword: RC bridge oscillator , equivalent circuit

RC bridge oscillator and its equivalent circuit
RC bridge oscillator and its equivalent circuit

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lkHz low-distortion oscillator circuit

Published:2011/11/10 20:53:00 Author:Ecco | Keyword: lkHz, low-distortion , oscillator circuit

lkHz low-distortion oscillator circuit
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Narrow pulse generator circuit ( Figure 1.5 )

Published:2011/11/22 20:24:00 Author:Ecco | Keyword: Narrow pulse generator

Narrow pulse generator circuit ( Figure 1.5 )
Narrow pulse generator circuit ( Figure 1.5 )

The circuit can produce a narrow pulse which is below 20ns, and the output is compatible with TTL circuit. The frequency spectrum less than 25MHz is approximately constant. Conversion selector switch 8 can change the output frequency, and the conversion selector switch 20 can change the delay time. Figure b shows the waveform diagram of M1, M2, M3 in Figure a.   (View)

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The crystal oscillator circuit composed of inverter

Published:2011/11/22 20:51:00 Author:Ecco | Keyword: crystal oscillator, inverter

The crystal oscillator circuit composed of inverter
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50Hz time-base signal generator circuit

Published:2011/12/2 2:02:00 Author:Ecco | Keyword: 50Hz, time-base , signal generator

50Hz time-base signal generator circuit
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State variable filter SVF Heterogeneous output oscillator

Published:2011/11/22 20:50:00 Author:Ecco | Keyword: State variable filter , SVF Heterogeneous output , oscillator

State variable filter SVF Heterogeneous output oscillator
State variable filter SVF Heterogeneous output oscillator

The figure above adds the averagevalue filter circuit andJFET on the basis ofthe SVF, andJFET is usedas a variable resistor AGC to achieve steady increasing. The figure aboveuses the comparator to achieve the AGC, andthe comparator's output voltage range is determined by the average detector .   (View)

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Bell oscillator circuit

Published:2011/11/22 20:39:00 Author:Ecco | Keyword: Bell oscillator

Bell oscillator circuit
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Self-excited multivibrator

Published:2011/11/22 20:38:00 Author:Ecco | Keyword: Self-excited multivibrator

Self-excited multivibrator
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The self-excited equivalent inductance RC oscillator

Published:2011/11/22 20:37:00 Author:Ecco | Keyword: self-excited , equivalent inductance, RC oscillator

The self-excited equivalent inductance RC oscillator
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40kHz carrier signal oscillation circuit for infrared remote control

Published:2011/11/22 20:36:00 Author:Ecco | Keyword: 40kHz , carrier signal, oscillation circuit, infrared remote control

40kHz carrier signal oscillation circuit for infrared remote control
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The crystal oscillator composed of comparator

Published:2011/11/22 20:35:00 Author:Ecco | Keyword: crystal oscillator , comparator

The crystal oscillator composed of comparator
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RF crystal oscillator composed of dual op-amp LM375

Published:2011/11/21 2:23:00 Author:Ecco | Keyword: RF crystal oscillator , dual op-amp

RF crystal oscillator composed of dual op-amp LM375
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The basic Pierce crystal oscillator composed of JFET

Published:2011/11/21 2:22:00 Author:Ecco | Keyword: basic, Pierce , crystal oscillator , JFET

The basic Pierce crystal oscillator composed of JFET
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