Circuit Diagram

Computer motherboard circuit 810 4_18

Published:2011/7/22 1:33:00 Author:Ecco | Keyword: Computer motherboard

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Computer motherboard circuit 810 4_17

Published:2011/7/22 1:41:00 Author:Ecco | Keyword: Computer motherboard

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Computer motherboard circuit 810 3_19

Published:2011/7/22 2:26:00 Author:Ecco | Keyword: Computer motherboard

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Computer motherboard circuit 810 3_20

Published:2011/7/22 2:26:00 Author:Ecco | Keyword: Computer motherboard

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Computer motherboard circuit 810 3_21

Published:2011/7/22 2:04:00 Author:Ecco | Keyword: Computer motherboard

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Computer motherboard circuit 810 3_22

Published:2011/7/22 2:05:00 Author:Ecco | Keyword: Computer motherboard

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Computer motherboard circuit 810 3_23

Published:2011/7/22 2:06:00 Author:Ecco | Keyword: Computer motherboard

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Computer motherboard circuit 810 3_24

Published:2011/7/22 2:06:00 Author:Ecco | Keyword: Computer motherboard

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Computer motherboard circuit 810 3_25

Published:2011/7/22 2:08:00 Author:Ecco | Keyword: Computer motherboard

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Computer motherboard circuit 810 3_26

Published:2011/7/22 2:09:00 Author:Ecco | Keyword: Computer motherboard

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Computer motherboard circuit 810 3_27

Published:2011/7/22 2:12:00 Author:Ecco | Keyword: Computer motherboard

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Computer motherboard circuit 810 3_30

Published:2011/7/22 2:15:00 Author:Ecco | Keyword: Computer motherboard

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Computer motherboard circuit 810 3_28

Published:2011/7/22 2:13:00 Author:Ecco | Keyword: Computer motherboard

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Computer motherboard circuit 810 3_29

Published:2011/7/22 2:13:00 Author:Ecco | Keyword: Computer motherboard

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Computer motherboard circuit 810 3_08

Published:2011/7/22 2:28:00 Author:Ecco | Keyword: Computer motherboard

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Computer motherboard circuit 810 3_16

Published:2011/7/22 2:28:00 Author:Ecco | Keyword: Computer motherboard

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Computer motherboard circuit 810 3_17

Published:2011/7/22 2:24:00 Author:Ecco | Keyword: Computer motherboard

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Computer motherboard circuit 810 3_18

Published:2011/7/22 2:25:00 Author:Ecco | Keyword: Computer motherboard

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Automatic Recording Telephone Interface Circuit

Published:2011/7/13 7:57:00 Author:Michel | Keyword: Telephone Interface Circuit

The automatic recording telephone interface circuit is shown as above.This circuit has the functions of automatic answer and recording.It needs install small tape recorder and solid recording chip.)The circuit is simple and it's needless to open the telephone when static current is less than 20μA.IC1 is a photoelectric coupler.IC2 is a decimal count/distributor and when the fourth ring ends,⑩ feet outputs high level,riggering behind circuit.IC3 is voice circuits which records The honest is absent,please leave a brief message. Primary B uses Φ0.1mm enameled wire to circle 350 turns,the secondary level adopts Φ0.07mm enameled wire to circle 1000 turns. s   (View)

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Battery Automatically and Low Voltage Shut-off Circuits

Published:2011/7/19 11:14:00 Author:Michel | Keyword: Battery Automatically, Low Voltage Shut-off

The picture a and b are battery automatically and low voltage shut-off circuits.Without setting procedures and artificial control ,this circuit has the automatically and low voltage shut-off functions. 2.3 V lag voltage can ensure microprocessor uP I/O pins charging detection, battery threshold monitoring and open circuit control.The circuit has low power consumption and the current that the power management current absorbs from power is less than 200 μA when it is loaded fully.When it reaches current discharging point,the circuit shut-off output separates battery and load to prevent battery deep discharging.   (View)

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