Published:2011/4/13 22:26:00 Author:Ecco | Keyword: Bole , refrigerator
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Published:2011/4/13 22:31:00 Author:Ecco | Keyword: Bingfeng , refrigerator
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Published:2011/4/13 22:30:00 Author:Ecco | Keyword: Shangling , refrigerator
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Published:2011/3/22 1:05:00 Author:Ecco | Keyword: Serial controlled LED light
Serial controlled LED light circuit diagram is as below:
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Published:2011/4/12 3:47:00 Author:Ecco | Keyword: Zhongyi , refrigerator
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Published:2011/4/12 3:48:00 Author:Ecco | Keyword: Sunflower , refrigerator
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Published:2011/3/31 19:53:00 Author:may | Keyword: voltage regulator, AC, domestic
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Published:2011/4/11 22:34:00 Author:Nicole | Keyword: color TV, power supply controller
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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:
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Published:2011/3/22 3:09:00 Author:may | Keyword: Stepper motor
Stepper motor principle circuit diagram is shown in the following diagram:
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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:
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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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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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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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Published:2011/4/1 20:53:00 Author:may | Keyword: 1GHZ, manchester decode
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.
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Published:2011/3/31 22:40:00 Author:may | Keyword: controlled silicon, speed governing system, DC
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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)
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Published:2011/3/23 5:47:00 Author:may | Keyword: Three-phase stepping motor
diagram: Three-phase stepping motor (View)
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Published:2011/3/24 22:18:00 Author:may | Keyword: Electric fan use PTC device add breeze files
Electric fan use PTC device add breeze files circuit is shown in the diagram:
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Published:2011/3/24 22:11:00 Author:may | Keyword: Electric fan stepless speed regulation
Electric fan stepless speed regulation circuit diagram is shown in the diagram:
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