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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

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

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)