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Index 43



Pulse generator circuit with variable pulse width

Published:2011/11/28 21:24:00 Author:Ecco | Keyword: Pulse generator, variable pulse width

Pulse generator circuit with variable pulse width
Pulse frequency depends on the size of the capacitor C , and it can use 0.1μF or other values according needings. 12KΩ resistor is the load resistor for op-amp open collector.   (View)

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The quartz crystal oscillator with external capacitor

Published:2011/11/25 1:14:00 Author:Ecco | Keyword: quartz crystal oscillator , external capacitor

The quartz crystal oscillator with external capacitor
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Colpitts oscillator circuit

Published:2011/11/24 21:29:00 Author:Ecco | Keyword: Colpitts oscillator

Colpitts oscillator circuit
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Digitally controlled l00kHz oscillator circuit

Published:2011/11/24 21:26:00 Author:Ecco | Keyword: Digitally controlled , l00kHz , oscillator circuit

Digitally controlled l00kHz oscillator circuit
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Double-T RC oscillator

Published:2011/11/24 21:19:00 Author:Ecco | Keyword: Double-T , RC oscillator

Double-T RC oscillator
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RC phase shift oscillator with adjustable output range

Published:2011/11/25 1:13:00 Author:Ecco | Keyword: RC , phase shift oscillator, adjustable output range

RC phase shift oscillator with adjustable output range
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The LC oscillator with automatically controlled output level

Published:2011/11/25 1:12:00 Author:Ecco | Keyword: LC oscillator, automatically controlled , output level

The LC oscillator with automatically controlled output level
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Digital controlled audio oscillator

Published:2011/11/25 1:11:00 Author:Ecco | Keyword: Digital controlled , audio oscillator

Digital controlled audio oscillator
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Dual-tube quartz crystal oscillator

Published:2011/11/24 2:10:00 Author:Ecco | Keyword: Dual-tube , quartz crystal oscillator

Dual-tube quartz crystal oscillator
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RF -driven audio oscillator

Published:2011/11/24 1:55:00 Author:Ecco | Keyword: RF -driven , audio oscillator

RF -driven audio oscillator
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Sound level generator circuit

Published:2011/11/24 2:02:00 Author:Ecco | Keyword: Sound level generator


The audio signal frequency generated by the circuit is 1KHz, and its value depends on the three RC network of feedback branch road. Output voltage is about 4.2V when the load resistance is approximately 200Ω , and the output voltage's distortion factor is relative to the amplification factor of the transistors, it generally is between the K = 1 ~ 10%.   (View)

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lMHz oscillator using a TTL gate

Published:2011/11/24 2:03:00 Author:Ecco | Keyword: lMHz oscillator , TTL gate

lMHz oscillator using a TTL gate
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The 4.59MHz oscillator with TTL circuit

Published:2011/11/24 2:09:00 Author:Ecco | Keyword: 4.59MHz, oscillator, TTL circuit

The 4.59MHz oscillator with TTL circuit
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The improving crystal frequency circuit using parallel resonance

Published:2011/11/23 2:33:00 Author:Ecco | Keyword: improving crystal frequency, parallel resonance

The improving crystal frequency circuit using parallel resonance
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Practical RF signal oscillator

Published:2011/11/23 2:34:00 Author:Ecco | Keyword: Practical, RF signal , oscillator

Practical RF signal oscillator
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The oscillator using FET tube and transistor

Published:2011/11/23 2:35:00 Author:Ecco | Keyword: oscillator, FET tube , transistor

The oscillator using FET tube and transistor
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The crystal oscillator circuit using CNOS inverter

Published:2011/11/23 2:37:00 Author:Ecco | Keyword: crystal oscillator, CNOS inverter

The crystal oscillator circuit using CNOS inverter
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The frequency multiplier circuit composed of PLL

Published:2011/11/23 2:36:00 Author:Ecco | Keyword: frequency multiplier , PLL

The frequency multiplier circuit composed of PLL
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Ceramic oscillator circuit

Published:2011/11/24 1:55:00 Author:Ecco | Keyword: Ceramic oscillator

Ceramic oscillator circuit
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Ceramic filter oscillator circuit

Published:2011/11/24 1:54:00 Author:Ecco | Keyword: Ceramic filter oscillator

Ceramic filter oscillator circuit
Figure A is the oscillator circuit composed ofthree-polar ceramic filter.Figure b is the oscillator circuit composed of two-polar ceramic filter.   (View)

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