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Index 551

Practical pulse signal generator circuit diagram

Published:2011/8/10 3:53:00 Author:nelly | Keyword: pulse, signal generator

Practical pulse signal generator circuit diagram
As shown in the figure, it is a practical pulse signal generator with adjustable duty cycle. The pulse frequency generator circuit is composed of A1 and some peripheral devices, it connects three different capacitors which have three different frequency measuring range, RP1 is used to accurately adjust the frequency. The modulation signal generator circuit consists of A3 and some peripheral devices, it also has three kinds of measuring range, RP2 is used to accurately adjust the frequency signal. RP3 is used to the gain adjust of modulation signal. RP4 controls the duty cycle.   (View)

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The reverse phase dual triangle wave generator

Published:2011/8/17 20:35:00 Author: | Keyword: Reverse phase, dual triangle wave, generator

The reverse phase dual  triangle wave generator
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MAX731 switch control DC-DC boosting convertor

Published:2011/8/11 11:25:00 Author:leo | Keyword: Switch, DC-DC boosting convertor

MAX731 switch control DC-DC boosting convertor
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The classic applying circuit of MAX752 setting up switch DC-DC convertor

Published:2011/8/14 7:19:00 Author:leo | Keyword: Classic applying circuit, setting up switch, DC-DC convertor

The classic applying circuit of MAX752 setting up switch DC-DC convertor
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The classic applying circuit of MAX743 setting up switch DC-DC convertor

Published:2011/8/14 7:24:00 Author:leo | Keyword: Classic applying circuit, setting up switch, DC-DC convertor

The classic applying circuit of MAX743 setting up switch DC-DC convertor
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MM1126~MM1129 setting up DC-DC convertor

Published:2011/8/14 7:22:00 Author:leo | Keyword: DC-DC convertor, setting up

MM1126~MM1129 setting up DC-DC convertor
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The scanning generator formed by CD4046

Published:2011/8/14 7:25:00 Author:leo | Keyword: Scanning, generator

The scanning generator formed by CD4046
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The oblique wave generator formed by CD4046

Published:2011/8/17 20:33:00 Author: | Keyword: Oblique wave, generator

The oblique wave generator formed by CD4046
The oblique wave generator circuit is shown in the picture. It uses two capacitors to finish charging and discharging, which is C2 (connected to pin 6) and C1 (connected to pin 7). The ratio of capability of these two capacitors is 1000:1. When the charging time is shorter than discharging time, it generates a wave whose rising time is 1000 times of lowering time, which is actually the signal of saw wave.   (View)

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The imporved hartley circuit

Published:2011/8/17 20:23:00 Author: | Keyword: Hartley circuit

The imporved hartley circuit
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Classic Cyle circuit

Published:2011/8/14 7:39:00 Author:leo | Keyword: Classic Cyle circuit

Classic Cyle circuit
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Voltage regulator DC-DC circuit and power supply monitor pins introduction and main features TA8505 power supply monitoring circuit

Published:2011/8/17 20:20:00 Author: | Keyword: Voltage regulator, power supply monitor, pins introduction and main features, power supply monitoring circuit

Voltage regulator DC-DC circuit and power supply monitor pins introduction and main features  TA8505 power supply monitoring circuit
TA8505 power supply monitoring circuit When power supply is connected, cut off or voltage changes suddenly, the monitoring circuit will protect the circuit. Its operating voltage is from 1.8 V to 36 V with the output current of 30mA. It permits you set the test voltage or back-off voltage, which can use outer restart signal to carry out restart function. It has a power consumption of 600mW and the work temperature is from -40oC to +85oC.   (View)

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The frequency divider circuit with a rate of 34 and made by CD4017

Published:2011/8/14 7:14:00 Author:leo | Keyword: Frequency divider, rate

The frequency divider circuit with a rate of 34 and made by CD4017
The frequency divider is formed by two CD4017 and dual input port. It can expand the frequency rate to 2 to 99 through different combinationsand connection, which is shown as following:   (View)

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Constant current power supply circuit made by CW137/CW237/CW337

Published:2011/8/11 11:08:00 Author:leo | Keyword: Constant current, power supply

Constant current power supply circuit made by CW137/CW237/CW337
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The frequency lock indicator formed by CD4046

Published:2011/8/14 7:17:00 Author:leo | Keyword: Frequency lock, indicator

The frequency lock indicator formed by CD4046
It can design a frequency lock indicator based the output features of two phase compatators of the lock circuit under the condition of locking frequency.   (View)

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Switch constant current power supply applying circuit made by W723

Published:2011/8/11 11:12:00 Author:leo | Keyword: Switch, constant current, power supply

Switch constant current power supply applying circuit made by W723
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Low drift contant current power supply circuit made by MIC2951

Published:2011/8/11 11:10:00 Author:leo | Keyword: Low drift, contant current, power supply

Low drift contant current power supply circuit made by MIC2951
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The multi-wave shape generator formed by CD4046

Published:2011/8/14 7:31:00 Author:leo | Keyword: Multi-wave shape, generator

The multi-wave shape generator formed by CD4046
This wave generator can output square wave, sine wave and divergent wave.   (View)

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The sweeping signal generator formed by CD4046

Published:2011/8/14 7:27:00 Author:leo | Keyword: Sweeping signal, generator

The sweeping signal generator formed by CD4046
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The impulse spreading circuit made by gatecircuits

Published:2011/8/17 20:37:00 Author: | Keyword: Impulse spreading circuit, gatecircuits

The impulse spreading circuit made by gatecircuits
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MC3406A reversible DC-DC convetor

Published:2011/8/11 11:15:00 Author:leo | Keyword: Reversible feature, DC-DC convetor

MC3406A reversible DC-DC convetor
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