Circuit Diagram

+15V/-15V DC/DC convertor circuit diagram composed by LM2579

Published:2011/4/12 4:04:00 Author:Nicole | Keyword: DC/DC convertor, +15V/-15V convertor

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Quasi-resonance switching power supply circuit diagram composed of WK212-166

Published:2011/4/12 4:04:00 Author:Nicole | Keyword: quasi-resonance, switching power supply

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Delay circuit composed of SGZ35 time control integrated circuit

Published:2011/4/18 20:40:00 Author:Nicole | Keyword: delay, time control

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Temperature protection circuit composed of U2403B constant current charging timer

Published:2011/4/18 20:38:00 Author:Nicole | Keyword: temperature protection, constant current, charging timer

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XSARA saloon car front motor-driven window general circuit diagram

Published:2011/4/14 21:45:00 Author:muriel | Keyword: XSARA, saloon car, front motor-driven window

XSARA saloon car front motor-driven window general circuit diagramisas shown   (View)

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Voltage-type current-controlled drive circuit diagram

Published:2011/4/11 4:09:00 Author:Rebekka | Keyword: Voltage-type current-controlled drive

Voltage-type current-controlled drive circuit diagram is shown as below.   (View)

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Color display switching power supply circuit diagram composed of STK7308

Published:2011/4/12 4:03:00 Author:Nicole | Keyword: color display, switching power supply

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Switching power supply circuit diagram composed of STRS5941

Published:2011/4/12 4:03:00 Author:Nicole | Keyword: switching power supply

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Power failure alarm circuit

Published:2011/4/18 20:33:00 Author:Ecco | Keyword: Power failure , alarm circuit

Sometimes, when the power is black out for some reasons, it needs to alarm automatically to inform people overcoming the breakdown as soon as possible. Figure 185 shows a power failure alarm. When power supply works normally, ZJ contactors pull in, so that the ZJ normal closed contact cuts off, then power is charging by the electrolytic capacitor C1 between the lights XD and diode D. When the power is black out for some reasons, ZJ contactors release, so that electrolytic capacitor C1 discharges to the sound and light alarm circuit, neon light bulbs turn on, speakers emit alarm signals, the alarm time is 5 to 6 minutes.   (View)

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800W three-terminal bidirectional thyristor dimmer circuit

Published:2011/4/5 20:44:00 Author:may | Keyword: 800W, three-terminal, bidirectional thyristor, dimmer

MBS4991 silicon bilateral switch is produced by Motorala company. We can utilize it to control phase of three-terminal bidirectional thyristor. 1MΩ regulation resistance can let the turn-on angle of three-terminal bidirectional thyristor changing from 0° to about 170°. When adjusting to maximum, the power added to load can reach 97% of full power. Now matter what the posistion the regulation resistance is, turn-on angle of upper half period and the turn-on angle of lower half poriod is exatly equal.   (View)

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The power supply circuit diagram of COMPAQ TE-1420Q type VGA multiple frequency color display

Published:2011/4/18 6:05:00 Author:May | Keyword: power supply, VGA, multiple frequency, color display

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The power supply circuit diagram of AST-TE1498 type multiple frequency color display

Published:2011/4/18 6:04:00 Author:May | Keyword: power supply, multiple frequency, color display

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The power supply circuit diagram of SUNLIHT SM-1416 type color display

Published:2011/4/18 4:54:00 Author:May | Keyword: power supply, color display

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The power supply circuit diagram of TOPCON CN-1402 type SVGA color display

Published:2011/4/18 4:52:00 Author:May | Keyword: power supply, SVGA, color display

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The power supply circuit diagram of TYSTAR TY-1411 type color display

Published:2011/4/18 4:42:00 Author:May | Keyword: power supply, color display

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The power supply circuit diagram of TYSTAR TY-1412 type SVGA color display

Published:2011/4/18 4:46:00 Author:May | Keyword: power supply, SVGA, color display

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The power supply circuit diagram of WYSE VGA-670 type multiple frequency color display

Published:2011/4/18 6:03:00 Author:May | Keyword: power supply, multiple frequency, color display

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Active input rectifier circuit

Published:2011/4/18 6:02:00 Author:May | Keyword: Active input, rectifier

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The power supply circuit diagram of VGA V-1415 type SVGA color display

Published:2011/4/18 4:41:00 Author:May | Keyword: power supply, SVGA, color display

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The power supply circuit diagram of VOLTRON V-1501 type multiple frequency color display

Published:2011/4/18 4:38:00 Author:May | Keyword: power supply, multiple frequency, color display

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