1MHz oscillator circuit

Published:2011/3/21 0:57:00 Author:may | Keyword: oscillator, 1MHz

Use IC 7400 can make up a high frequency oscillator, its oscillator frequency depended on RC, the final 7400use for isolation level.   (View)

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Oscillator circuit composed of Schmitt trigger with a resistor and a capacitor

Published:2011/4/6 20:06:00 Author:Ecco | Keyword: Oscillator circuit , Schmitt trigger , resistor , capacitor

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The twice frequency oscillator(567)

Published:2011/4/6 2:40:00 Author:Ecco | Keyword: twice frequency oscillator

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Zero pulse circuit

Published:2011/4/6 21:43:00 Author:Ecco | Keyword: Zero pulse

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Quantitative pulse generator

Published:2011/4/2 0:58:00 Author:Ecco | Keyword: Quantitative pulse , generator

This circuit is mainly used for the stepper motor rotation control. The number of input pulses determines the stepper motor rotation, the circuit can set up the quantity of pulses arbitrarily, and the maximum number is 999.   (View)

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100kHz sine wave oscillator circuit

Published:2011/3/27 22:41:00 Author:may | Keyword: sine wave oscillator

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0.001Hz sinusoidal oscillator diagram

Published:2011/3/27 22:22:00 Author:may | Keyword: sinusoidal oscillator diagram

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1-50KHz sinusoidal oscillator circuit diagram

Published:2011/3/25 1:12:00 Author:may | Keyword: 1-50KHz sinusoidal oscillator

1-50KHz sinusoidal oscillator circuit diagram is shown in the diagram:   (View)

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2.34KHz sinusoidal oscillator circuit diagram

Published:2011/3/25 1:09:00 Author:may | Keyword: 2.34KHz sinusoidal oscillator

2.34KHz sinusoidal oscillator circuit diagram is shown in the diagram:   (View)

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25Hz sinusoidal oscillator circuit diagram

Published:2011/3/25 1:09:00 Author:may | Keyword: 25Hz sinusoidal oscillator

25Hz sinusoidal oscillator circuit diagram is shown in the diagram:   (View)

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Negative oxygen | ion | generator circuit

Published:2011/3/27 21:43:00 Author:may | Keyword: Negative oxygen generator, ion generator

Negative oxygen | ion | generator circuit is shown in the diagram:   (View)

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Practical pulse signal generator

Published:2011/3/31 3:36:00 Author:Ecco | Keyword: Practical, pulse signal , generator

Practical pulse signal generator is adjustable and shown in the chart. The pulse frequency generation circuit is composed of Al and surrounding components, it connects to three different capacitances which corresponding to three frequency ranges respectively. RPl is used as fine-tuning the frequency. A3 and surrounding components compose of signal modulation circuit, and it divides in three block range, RP2 is used as fine-tuning the signal modulation frequency. RP3 is for the gain modulation of modulating signal. RP4 controls duty ratio.   (View)

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Ultra-low frequency pulse generator

Published:2011/3/31 3:27:00 Author:Ecco | Keyword: Ultra-low frequency , pulse generator

Ultra-low frequency pulse generator is shown in the chart. It could produce the pulse in the width range of 0.15~50s.   (View)

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Double pulse generator(HEF4538)

Published:2011/3/31 4:03:00 Author:Ecco | Keyword: Double pulse , generator

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1/86400Hz Pulse generator

Published:2011/3/31 4:02:00 Author:Ecco | Keyword: Pulse generator

The circuit shown in the chart coule be input 1Hz clock pulses, and it outputs a pulse every 24 hour. The input IHz pulse is produced by digital clock. It can provide the instructions of morning and afternoon that general digital clocks couldn't do. It also could be used as a pre-date electronic calendar and a reliable alarm trigger in particular time .   (View)

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Pulse signal generator(74LS10 74LS00)

Published:2011/3/31 3:38:00 Author:Ecco | Keyword: Pulse signal , generator

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74 series digital circuit of 74121 74L121 monostable multivibrator

Published:2011/3/30 2:39:00 Author:Ecco | Keyword: digital circuit, monostable multivibrator

To improve the precision and repeatability of the pulse width, it could connect a resistance between REXT/CEXT and VCC, and open for RINT. To improve pulse width, it could connect atiming resistance betweenREXT/CEXT and CEXT.   (View)

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74 series digital circuit of 74122 74L122 monostable multivibrator

Published:2011/3/30 2:43:00 Author:Ecco | Keyword: digital circuit, monostable multivibrator

To improve the precision and repeatability of the pulse width, it could connect a resistance between REXT/CEXT and VCC, and open for RINT. In order to get the variable pulse width, it could connect a variable resistance between RINT and VCC.   (View)

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74 series digital circuit of 74123 74L123 double monostable multivibrator

Published:2011/3/30 1:42:00 Author:Ecco | Keyword: digital circuit, double monostable multivibrator

Capacitance. To improve the precision and repeatability of the pulse width, it could connect a resistance between REXT/CEXT and VCC, and open for RINT. In order to get the variable pulse width, it could connect a variable resistance between RINT and VCC. 74123, 74L123, 74LS123, 74HC123 double monostable multivibrator   (View)

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74 series digital circuit of 74LS124 74S124 double voltage controlled oscillator

Published:2011/3/29 22:38:00 Author:Ecco | Keyword: digital circuit , double voltage controlled oscillator

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