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Index 123

The application circuit of IGBT in phone interface

Published:2011/4/7 5:14:00 Author:may | Keyword: IGBT, phone interface

The application circuit of IGBT in phone interface
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The usage system block diagram in induction cooker of IGBT

Published:2011/4/7 5:12:00 Author:may | Keyword: induction cooker, IGBT

The usage system block diagram in induction cooker of IGBT
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Ming xie electronic swatter circuit

Published:2011/4/1 1:30:00 Author:Ecco | Keyword: Ming xie , electronic swatter

Ming xie electronic swatter circuit
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Simulated natural wind electric fan circuit

Published:2011/3/27 22:33:00 Author:may | Keyword: electric fan circuit

Simulated natural wind electric fan circuit
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Super-regenerative radio receiver circuit

Published:2011/3/27 21:55:00 Author:may | Keyword: Super-regenerative radio receiver

Super-regenerative radio receiver circuit is shown in the diagram: (View)

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Stepper motor hardware principle circuit

Published:2011/3/27 22:01:00 Author:may | Keyword: Stepper motor hardware principle

Stepper motor hardware principle circuit
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Simple TV additional remote control circuit composed of LM555 and CD4017

Published:2011/3/27 22:05:00 Author:may | Keyword: TV additional remote control

Simple TV additional remote control circuit composed of LM555 and CD4017 is shown in the diagram: (View)

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Stepper motor program flow circuit

Published:2011/3/27 21:46:00 Author:may | Keyword: Stepper motor

diagram: Stepper motor program flow circuit (View)

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JHo-751 Semi-automatic cargo elevator main circuit

Published:2011/3/28 1:17:00 Author:Jessie | Keyword: Semi-automatic, cargo elevator

JHo-751 Semi-automatic cargo elevator main circuit
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Gree GC16 electromagnetic cooker circuit diagram

Published:2011/3/31 2:27:00 Author:Ecco | Keyword: Gree, electromagnetic cooker

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Jie beauty brand MWQ-A single pipe mosquitoes lamp circuit diagram

Published:2011/3/31 2:32:00 Author:Ecco | Keyword: Jie beauty brand, single pipe, mosquitoes lamp

Jie beauty brand MWQ-A single pipe mosquitoes lamp circuit diagram
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Ultrasonic pest repeller circuit diagram

Published:2011/3/31 2:07:00 Author:Ecco | Keyword: Ultrasonic, pest repeller

Ultrasonic pest repeller circuit diagram
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15w Pest repeller

Published:2011/3/31 2:04:00 Author:Ecco | Keyword: Pest repeller

15w Pest repeller
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7w Pest repeller circuit diagram

Published:2011/3/31 2:05:00 Author:Ecco | Keyword: Pest repeller

7w Pest repeller circuit diagram
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BZN-5 Electronic destroy flies device

Published:2011/3/31 2:19:00 Author:Ecco | Keyword: Electronic destroy flies

BZN-5 Electronic destroy flies device
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Electronic rodent repeller circuit 1

Published:2011/3/31 2:09:00 Author:Ecco | Keyword: Electronic rodent repeller

Electronic rodent repeller circuit 1
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Electronic cat rodent repeller circuit

Published:2011/3/31 2:18:00 Author:Ecco | Keyword: Electronic cat, rodent repeller

Electronic cat rodent repeller circuit
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Electronic rodent repeller circuit 2

Published:2011/3/31 2:34:00 Author:Ecco | Keyword: Electronic rodent repeller

Electronic rodent repeller circuit 2
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Electronic sound imitation rodent repeller

Published:2011/3/31 3:07:00 Author:Ecco | Keyword: Electronic sound imitation , rodent repeller

Electronic sound imitation rodent repeller
Cats are predators of rats, it's an effective method which utilizing electronic devices to simulate meows to flood mouse. As it's an electronic device, the voice of meows could be fast or slow, the interval time may be long or short, and circuit structure is simple, cheap. It's suitable for electronic enthusiasts for homemade and applied in family. The working principleis shown in 1. It is composed of time control circuit, meow generation circuit, power amplifier circuit.etc. Time control circuit is composed of time-base circuit IC1 NE555 and Peripheral RC components, diodes and other components. It is a duty ratio adjustable pulse oscillator, the duty ratio is controlled by the R2 and R3. Meow circuit is a type of CMOS integrated circuit IC2 KD-5605, it uses storage technology to solidify meows in the interior of circuit. Power amplifier utilizes cheap and low-power audio amplifier integrated circuit IC3 LM386. Its features are few external components, wide voltage range, small distortion, simple assembly. (View)