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Index 121

Bole BC-138C refrigerator

Published:2011/4/13 22:26:00 Author:Ecco | Keyword: Bole , refrigerator

Bole BC-138C refrigerator
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Bingfeng BY-135A refrigerator

Published:2011/4/13 22:31:00 Author:Ecco | Keyword: Bingfeng , refrigerator

Bingfeng BY-135A refrigerator
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Shangling BCD-216W refrigerator

Published:2011/4/13 22:30:00 Author:Ecco | Keyword: Shangling , refrigerator

Shangling BCD-216W refrigerator
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Serial controlled LED light circuit diagram

Published:2011/3/22 1:05:00 Author:Ecco | Keyword: Serial controlled LED light

Serial controlled LED light circuit diagram is as below: (View)

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Zhongyi BCD-185 refrigerator

Published:2011/4/12 3:47:00 Author:Ecco | Keyword: Zhongyi , refrigerator

Zhongyi BCD-185 refrigerator
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Sunflower BC - 75 refrigerator

Published:2011/4/12 3:48:00 Author:Ecco | Keyword: Sunflower , refrigerator

Sunflower BC - 75 refrigerator
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500W domestic AC voltage regulator

Published:2011/3/31 19:53:00 Author:may | Keyword: voltage regulator, AC, domestic

500W domestic AC voltage regulator
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New type color TV power supply controller circuit(mc44608)

Published:2011/4/11 22:34:00 Author:Nicole | Keyword: color TV, power supply controller

New type color TV power supply controller circuit(mc44608)
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Baohua KFR-35L split type air-conditioner circuit

Published:2011/3/22 3:04:00 Author:may | Keyword: split type air-conditioner

Baohua KFR-35L split type air-conditioner circuit is shown in the following diagram: (View)

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Stepper motor principle circuit diagram

Published:2011/3/22 3:09:00 Author:may | Keyword: Stepper motor

Stepper motor principle circuit diagram is shown in the following diagram: (View)

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Baohua KCR-35A integral air-condition circuit

Published:2011/3/22 3:29:00 Author:may | Keyword: integral air-condition

Baohua KCR-35A integral air-condition circuit is shown in the following diagram: (View)

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Four-phase stepper motor step signal circuit

Published:2011/3/22 3:24:00 Author:may | Keyword: stepper motor

diagram: Four-phase stepper motor step signal circuit This stepper motor is four-phase stepper motor, use unipolarity DC source supply. Only breakover to stepper motor through each phase by a suitable timing, can rotate it. Diagram 1 is this four-phase stepper motor reaction working principle sketch. (View)

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PWM motor speed control circuit

Published:2011/3/22 3:16:00 Author:may | Keyword: PWM motor speed control

diagram: PWM motor speed control circuit (View)

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3-phase reaction stepping motor driver circuit diagram

Published:2011/3/24 22:30:00 Author:may | Keyword: 3-phase reaction stepping motor driver

diagram: 3-phase reaction stepping motor driver circuit diagram (View)

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1GHZ manchester decode circuit

Published:2011/4/1 20:53:00 Author:may | Keyword: 1GHZ, manchester decode

1GHZ manchester decode circuit
This circuit use ECL trigger. Its toggle frequency is greater than 1GHz. And the trigger make decoding possible when bit rate close to 4 Mbits per second. This circuit can used in 48 Mbits telemetry and adopts PCM at simple root cable. (View)

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3KW controlled silicon DC speed governing system circuit

Published:2011/3/31 22:40:00 Author:may | Keyword: controlled silicon, speed governing system, DC

3KW controlled silicon DC speed governing system circuit
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Metamorphous half-bridge type convertor circuit principle diagram

Published:2011/4/7 19:56:00 Author:may | Keyword: Metamorphous, half-bridge type convertor

We usually adopt the circuit mode in the diagram in the situation of high voltage input, high power output. In the circuit, switching element V1, V2 is a group, V3, V4 is a group, series each other, which can reduce single tube withstand voltage. In practical application circuit, switching element V1, V2, V3, V4 can use two tubes or multi-tube parallel. In this way can solve the problem of high current output. Sharing transformer can increase the operating factor of transformer and have the ability of resisting imbalance. In metamorphous half-bridge type power converting circuit, V1, V2 or V3, V4, the maximum each switching tube withstand voltage only is Uc1 or Uc2 value. If C1=C2, than Uc1=Uc2=Uin/2 value, so we can choose switching tube of reducing withstand voltage. In addition, V1, V2, V3, V4 can adopts multi-tube parallel mode to work, which can add the capacity of output current; it greatly raise the efficiency of transformer that transformer T can working at positive and negative direction. Because of merit above-mentioned, this circuit has widespread use, especially in the situation of high voltage input and high power output. The application of this circuit is more and more widespread. (View)