Circuit Diagram

principle of Glanz microwave oven circuit

Published:2011/6/22 19:55:00 Author:chopper | Keyword: principle, Glanz, microwave oven

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capacitive step-down driving LED circuit

Published:2011/6/22 19:59:00 Author:chopper | Keyword: capacitive, step-down, LED, driving

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subterranean cable detection circuit with radio

Published:2011/6/22 20:02:00 Author:chopper | Keyword: subterranean cable, detection circuit, radio

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work performance test circuit of three-terminal integrated regulator circuit

Published:2011/6/22 20:48:00 Author:chopper | Keyword: work performance, test circuit, three-terminal, integrated regulator circuit

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quartz crystal pick circuit

Published:2011/6/22 20:50:00 Author:chopper | Keyword: quartz crystal, pick circuit

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aluminium electrolytic capacitor conditioning circuit

Published:2011/6/22 20:55:00 Author:chopper | Keyword: aluminium electrolytic capacitor, conditioning circuit

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gaining 0-433V voltage by star-star connection of 3 boosters

Published:2011/6/22 21:00:00 Author:chopper | Keyword: 0-433V voltage, star-star connection, 3 boosters

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0.1C5A standard nickel-cadmium battery charger circuit of CD4541

Published:2011/6/20 6:09:00 Author:chopper | Keyword: 0.1C5A, standard nickel-cadmium battery, charger circuit

The following circuit makes use of the constant-current characteristic of capacitor and adopts pulsant direct current source to charge.Its effect is greater than pure DC,and it can charge one or more nickel-cadmium batteries.   (View)

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power follower of CW117／CW217／CW317 circuit

Published:2011/6/16 0:48:00 Author:chopper | Keyword: power follower

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automobile burglary-resisting system circuit

Published:2011/6/14 8:27:00 Author:chopper | Keyword: automobile, burglary-resisting system

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TAl226NA transient state of luminance improvement integrated circuit

Published:2011/6/16 22:14:00 Author:chopper | Keyword: transient state, luminance, improvement, integrated circuit

TAl226NA is a transient state of luminance improvement integrated circuit,and it is applied to various large-screen colour TVs to improve the transient state of luminance.Its function and data of pins of the integrated circuit are shown as chart 1.   (View)

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CW200 charger cirucit

Published:2011/6/16 22:07:00 Author:chopper | Keyword: charger

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TTL integrated door circuit

Published:2011/6/16 1:10:00 Author:chopper | Keyword: TTL, integrated door

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The emitter circuit composed of BA1404

Published:2011/6/25 20:43:00 Author:qqtang | Keyword: emitter circuit

BA1404 is the special integrated circuit of FM stereo sound, as the working feature is good, it is also used in wireless control. BA1404 needs a low power supply voltage, its power is also low, and its structure is completed, it needs a few external elements, and finally, it works stably and reliably. The notes of using BA1404 are listed as follows: (1) to keep the frequency feature of the emitter conforming to that of the FM broadcast receiver, we need to fix a pre-emphasizer whose time constant is 50μs in the left and right channel, see as the figure. Figure: The emitter circuit composed of BA1404   (View)

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The TS26 principle circuit

Published:2011/6/25 20:30:00 Author:qqtang

Figure: The TS26 principle circuit   (View)

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The ±5～25V dual polarity regulated power supply circuit

Published:2011/6/25 20:29:00 Author:qqtang | Keyword: dual polarity, power supply

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The μPC1373H/HA typical application circuit

Published:2011/6/25 20:28:00 Author:qqtang

Figure: The μPC1373H/HA typical application circuit   (View)

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The YN9101 logic frame circuit

Published:2011/6/25 20:26:00 Author:qqtang | Keyword: logic frame

Figure: The YN9101 logic frame circuit   (View)

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The FET pipe drive timing flash circuit

Published:2011/6/25 20:25:00 Author:qqtang | Keyword: FET pipe, timing flash circuit

With the figured circuit, we can compose a circle light timing control circuit with a few elements. The circuit consists of the MOS time-base circuit 7555, CMOS decimal counter(pulse distributor) 4017 and end stage VMOS power transistor. The power transistor controls the bulb whose maximum current is 2A. The resistor RV between the bulb and the power supply +UH is used to limit the connected current. The time-base frequency is adjusted by the potentiometer (about 0.5~10HZ). The 9 stage circling storage is controlled by the square wave output signal with the help of the clock.   (View)

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Ten-Channel Temperature Patrol Detecting Circuit Diagram

Published:2011/6/26 1:03:00 Author:Vicky | Keyword: Ten-Channel Temperature Patrol Detecting

Temperature Sensor adopts 3AX31 and is in the form of diode. When the temperature changes, the resistance K presents linear variation. Oscillator is composed of IC1 (555), rce, R1, and C1 etc. The frequency is: f=1.44／(R1+2rce)C1. Therefore, the rce presents linear variation with the changing of temperature, and f also varies proportionally to realize the conversion of temperature and frequency. If ten spots are to be tested, then 10 temperature-frequency converters are needed. In the circuit, IC2 adopts hex inverter CD4069, and F1,F2,F3 make up trigger generator of 0.2 Hz, that is to send a count pulse CP to the count circuit IC3 every 5 seconds.   (View)

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