Circuit Diagram

PRECISION_FREQUENCY_COUNTER（～1_MHz_MAXIMUM）

Published:2009/6/28 21:30:00 Author:May

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DUAL_POLARITY_POWER_SUPPLY

Published:2009/6/28 21:30:00 Author:May

This simple circuit gives a positive and negative supply from a single transformer winding and one full-wave bridge. Two zener diodes in series provide the voltage division and their centerpoint is grounded. (The filter capacitor must not be grounded via its case).   (View)

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TRANSISTOR_INCREASES_ZENER_RATING

Published:2009/6/28 21:28:00 Author:May

The simple zener shunt in A may not handle sufficient current if the zener available is of low wattage. A power transistor will do most of the work for the zener as shown in B. Once the zener starts conducting, a bias voltage develops across the resistor (330 Ω to 1K), turning on the transistor. The output voltage is 0.7 V greater than the zener voltage.   (View)

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100_Vrms_VOLTAGE_REGULATOR

Published:2009/6/28 21:26:00 Author:May

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12_HOUR_CLOCK_WITH_GAS_DISCHARGE_DISPLAYS

Published:2009/6/28 21:26:00 Author:May

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±50_V_FEED_FORWARD_SWITCH_MODE_CONVERTER

Published:2009/6/28 21:23:00 Author:May

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5_V／05_A_BUCk_CONVERTER

Published:2009/6/28 21:23:00 Author:May

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Computer motherboard circuit diagram 440LX2_23

Published:2011/7/31 22:02:00 Author:Ecco | Keyword: Computer motherboard

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Computer motherboard circuit diagram 440LX2_24

Published:2011/7/31 22:03:00 Author:Ecco | Keyword: Computer motherboard

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Computer motherboard circuit diagram 440LX2_25

Published:2011/7/31 20:48:00 Author:Ecco | Keyword: Computer motherboard

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Computer motherboard circuit diagram 440LX2_26

Published:2011/7/31 20:39:00 Author:Ecco | Keyword: Computer motherboard

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Computer motherboard circuit diagram 440LX2_28

Published:2011/7/31 20:48:00 Author:Ecco | Keyword: Computer motherboard

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Computer motherboard circuit diagram 440LX2_29

Published:2011/7/31 20:40:00 Author:Ecco | Keyword: Computer motherboard

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Computer motherboard circuit diagram 440LX2_30

Published:2011/7/31 20:41:00 Author:Ecco | Keyword: Computer motherboard

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Computer motherboard circuit diagram 440LX2_31

Published:2011/7/31 20:42:00 Author:Ecco | Keyword: Computer motherboard

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Computer motherboard circuit diagram 440LX2_32

Published:2011/7/31 20:42:00 Author:Ecco | Keyword: Computer motherboard

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Computer motherboard circuit diagram 440LX2_33

Published:2011/7/31 20:43:00 Author:Ecco | Keyword: Computer motherboard

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Computer motherboard circuit diagram 810 1_34

Published:2011/7/31 20:46:00 Author:Ecco | Keyword: Computer motherboard

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Computer motherboard circuit diagram 810 1_33

Published:2011/7/31 20:44:00 Author:Ecco | Keyword: Computer motherboard

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Computer motherboard circuit diagram 440LX2_22

Published:2011/7/31 22:01:00 Author:Ecco | Keyword: Computer motherboard

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