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Constant voltage/constant-current supply with CW117

Published:2011/3/30 2:06:00 Author:muriel | Keyword: constant voltage, constant-current supply

Constant voltage/constant-current supply with CW117
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AC peak clipping circuit with CW117

Published:2011/3/30 2:06:00 Author:muriel | Keyword: AC, peak clipping

AC peak clipping circuit with CW117
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Output current start from zero adjustable constant current source circuit with CW117

Published:2011/3/30 2:01:00 Author:muriel | Keyword: output current, start from zero, adjustable , constant current source circuit

Output current start from zero adjustable constant current source circuit with CW117
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The block diagram composed of AICl783

Published:2011/4/14 1:07:00 Author:muriel | Keyword: block diagram

The block diagram composed of AICl783
AICl783 is the ni-mh/nickel-cadmium battery quick charger control IC which is produced by Analog integrated company. Its structure frame as shown (View)

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Workflow diagram of AAT3680

Published:2011/4/14 1:07:00 Author:muriel | Keyword: Workflow diagram

Workflow diagram of AAT3680
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The internal functional block diagram of AAT3680

Published:2011/4/18 2:55:00 Author:muriel | Keyword: Internal functional block diagram

The internal functional block diagram of AAT3680
AAT3680 is advanced lithium ion battery linear charging control chip which is produced by AATI. The charger uses AAT3680 design, so its peripheral circuit is very simple, very suitable for the compact design needs of portable electronic products. (View)

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74 series digital circuit 74LS396 eight bits memory register

Published:2011/4/19 3:49:00 Author:May | Keyword: eight bits, memory register

74 series digital circuit 74LS396 eight bits memory register
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74 series digital circuit 74425 four gate bus buffer (tri-state)

Published:2011/4/19 3:48:00 Author:May | Keyword: digital, four gate, bus buffer, tri-state

74 series digital circuit 74425 four gate bus buffer (tri-state)
74425 four gate bus buffer (tri-state)When C is high level, Y is high resistance output; When C is low level, Y=A. (View)

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Retriggerable monostable multivibrator with elimination of 74 series digital circuit 74LS422

Published:2011/4/19 3:51:00 Author:May | Keyword: Retriggerable, monostable, multivibrator, with elimination, digital

Retriggerable monostable multivibrator with elimination of 74 series digital circuit 74LS422
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74 series digital circuit 74390 74LS390 and other dual four bit binary counters (asynchronous clear)

Published:2011/4/19 3:54:00 Author:May | Keyword: digital, dual four bit binary counters, asynchronous clear,

74 series digital circuit 74390 74LS390 and other dual four bit binary counters (asynchronous clear)

7493A, 74LS93 type, QA is connected and inputted to B from inside. It's high level clear. It sets all four outputs to low level.function table 74393, 74LS393, 74CH393 dual four bit binary counter (asynchronous clear) (View)

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Internal equivalent circuit of 5G7556CMOS time-base circuit

Published:2011/4/19 2:15:00 Author:Ecco | Keyword: CMOS, internal, equivalent circuit , time-base circuit

Internal equivalent circuit of 5G7556CMOS time-base circuit

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Electronic checking tone ware composed of CC4040

Published:2011/4/19 6:39:00 Author:Ecco | Keyword: Electronic, checking tone ware

The chart shows the electronic checking tone ware composed of CC4040. The circuit could produce 440Hz international standard A sound, it can be used as checking tone ware for band. (View)

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24V/3A transistor voltage regulator

Published:2011/4/19 3:06:00 Author:May | Keyword: 24V/3A, transistor, voltage regulator

24V/3A transistor voltage regulator
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Full bridge circuit diagram

Published:2011/4/19 2:12:00 Author:May | Keyword: Full bridge

Full bridge circuit diagram
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120V/25mA DC voltage converter

Published:2011/4/19 3:31:00 Author:May | Keyword: 120V/25mA, DC voltage converter

This circuit is formed according to the principle of positive breakover convertor. That is to output power to load when the transistor is breaking over. We add diode D1 in its loop for the purpose of overtop base-emitter voltage on transistor. Start-oscillation button connected betweent resistor R1 and R2 is assisted start device. Meanwhile it can prevent the add of base current when load current is increasing. So this circuit has the function of short circuit protection.The data of transformer:winding n1=40 turns, 0.32 copper enamelled wiren2=12 turns, 0.15 copper enamelled wiren3=420 turns, 0.1mm copper enamelled wire (View)

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