Circuit Diagram

The internal functional block diagram of AAT3680

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

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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AAT3680 typical application drawing charging circuit

Published:2011/3/30 2:13:00 Author:muriel | Keyword: utilitygraph, charging circuit

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SHANGHAI GM Chevrolet（Epica）saloon car supplementary restraint system circuit diagram(one)

Published:2011/4/19 20:06:00 Author:muriel | Keyword: SHANGHAI GM Chevrolet（Epica）, saloon car, supplementary restraint system

SHANGHAI GM Chevrolet（Epica）saloon car supplementary restraint system circuit diagram(one)   (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

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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

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

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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,

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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74 series digital circuit 74154 74L154 and other 4 to 16 line decoders/demultiplexers

Published:2011/4/19 3:57:00 Author:May | Keyword: digital, 4 to 16, line decoders/demultiplexers

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Touch delay light circuit with digital circuit (4)

Published:2011/4/19 4:14:00 Author:Nicole | Keyword: delay light, digital circuit

The figure is as shown, it is a simple and practical touch delay light switch. A CD4011 digital integrated circuit is made as the core to consist it, it is used to light in stairs aisle and other occasions.   (View)

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Delay light circuit with music integrated circuit

Published:2011/4/19 3:50:00 Author:Nicole | Keyword: delay light, music

This is delay light with KD-9300 music integrated circuit, when you press the key switch SB, the light E is on, it delays about 20s, then E will cut off automatically.   (View)

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MS51C61 program control flowing water color lamp with firecracker sound control circuit

Published:2011/4/19 3:11:00 Author:Nicole | Keyword: program control, flowing water, color lamp, firecracker sound

The figure is as shown. It consists of flowing water light control circuit, simulation firecracker sound circuit, audio power amplifier circuit and AC depressurization rectifier circuit. Program control flowing water color lamp control special integrated circuit MS51C61 is made as the core to consist this light control circuit.   (View)

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SH-803 festival color lamp with disco music control circuit

Published:2011/4/19 2:44:00 Author:Nicole | Keyword: festival color lamp, disco music

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CMOS Gate voltage-controlled oscillator

Published:2011/4/14 2:33:00 Author:Ecco | Keyword: CMOS, Gate , voltage-controlled oscillator

In the circuit that as shown in the chart, the free-running multivibrator is composed of two NOT gates of A1 and A2. With the changing of external control voltage Vcc, the circuit oscillation frequency will change. When the value of VCC is near the threshold of gate,it has the least impact on charging and discharging of RC. The greater deviation between VCC and threshold of gate, the capacitor charges and discharges faster, so the oscillation frequency of the circuit is more resistant.   (View)

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Pocket electronic timing hypnotic massager composed of 555

Published:2011/4/18 19:59:00 Author:Ecco | Keyword: Pocket , electronic, timing , hypnotic , massager , 555

The chart shows the pocket electronic timing hypnotic massager composed of 555, it can satisfy leisure health needs of people. The circuit is composed of 3 parts: timer circuits, hypnotic decoder circuit, massager circuit.   (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

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Li-ion battery charger circuit diagram

Published:2011/4/19 8:46:00 Author:May | Keyword: Li-ion battery charger

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Fast storage battery charging system

Published:2011/4/19 8:37:00 Author:May | Keyword: Fast, storage battery, charging system

The maximum charging voltage of this system is about 4.5VA. Its maxuimum charging current is about 200mA. So it is suitable for the charging of three 1.5V battery.Main technology data:working voltage:11±10%V, 50Hzcharging end voltage: the highest is 4.5Vmaxuimum charging current: 200mAcharging time: about 3h   (View)

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Simple and practical Li-ion battery charger

Published:2011/4/19 8:17:00 Author:May | Keyword: Simple, practical, Li-ion battery charger

Brief descriptions: You can home make a simple and pracitcal Li-ion battery charger. It can change the charge current by changing 4Ω resistor. D1 is power supply indication. D2 is charging indication and current limitting.Simple and practical Li-ion battery charger When debugging, 6.8K resistor can replace by a 10K trimming resistor. It is Using digital meter to monitor the battery voltage. When the battery voltage is 4.2V, you can adjust the 10K trimming resistor.   (View)

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Dry battery charger circuit diagram

Published:2011/4/19 7:45:00 Author:May | Keyword: Dry battery, charger

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Four colored lantern power supply circuit with nature sound

Published:2011/4/19 9:01:00 Author:May | Keyword: Four colored lantern, power supply, nature sound

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