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Index 411

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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4-bit addition, subtraction operation circuit

Published:2011/12/2 2:06:00 Author:Ecco | Keyword: 4-bit, addition, subtraction, operation

4-bit addition, subtraction operation circuit
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The D / A converter principle using resistor

Published:2011/12/2 2:08:00 Author:Ecco | Keyword: D / A converter principle , resistor

The  D / A converter principle using resistor
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Logic circuit with transistors

Published:2011/12/2 2:07:00 Author:Ecco | Keyword: Logic circuit , transistor

Logic circuit with transistors
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RC -coupled amplifier

Published:2011/12/2 1:47:00 Author:Ecco | Keyword: RC -coupled amplifier

RC -coupled amplifier
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OTL circuit with input transformer

Published:2011/12/2 1:47:00 Author:Ecco | Keyword: OTL circuit , input transformer

OTL circuit with input transformer
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The direct FM modulation circuit composed of varactor

Published:2011/12/2 1:48:00 Author:Ecco | Keyword: direct , FM modulation , varactor

The direct FM modulation circuit composed of varactor
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Carrier isolation amplifier circuit

Published:2011/12/2 1:49:00 Author:Ecco | Keyword: Carrier, isolation amplifier

Carrier isolation amplifier circuit
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The directly coupled amplifier

Published:2011/12/2 1:50:00 Author:Ecco | Keyword: directly, coupled amplifier

The directly coupled amplifier
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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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First-order active phase-shift oscillator

Published:2011/11/21 2:21:00 Author:Ecco | Keyword: First-order, active , phase-shift oscillator

First-order active phase-shift oscillator
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Tuning fork oscillator

Published:2011/11/21 2:20:00 Author:Ecco | Keyword: Tuning fork oscillator

Tuning fork oscillator
Tuning fork oscillator

Figure (a) uses regulator circuit D1 tolimit amplitute, and theinput and output phase-shift tuning fork is 180o.Figure (b)uses transistor saturation tolimit amplitute, and the transistor inverting in 180o.   (View)

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The frequency of XOR gate controlled oscillator

Published:2011/11/22 2:24:00 Author:Ecco | Keyword: XOR gate , controlled oscillator

The frequency of XOR gate controlled oscillator
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