The power supply circuit diagram of AST-1 type color display

Published:2011/4/14 3:22:00 Author:may | Keyword: power supply, AST-1, color display

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High precision 60kHz-110kHz-10W-20W switching power supply circuit

Published:2011/4/14 1:22:00 Author:may | Keyword: 60kHz-110kHz-10W-20W, switching power supply

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High precision linear DC regulated power supply 1502D circuit

Published:2011/4/14 1:03:00 Author:Nicole | Keyword: DC regulated power supply

High precision linear DC regulated power supply 1502D circuit   (View)

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TC3827 charge controller application circuit combined IC with μC

Published:2011/4/14 3:42:00 Author:Nicole | Keyword: charge controller

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Charger schematic diagram of USB interface and supplyed to wall adapter LTC053

Published:2011/4/14 3:50:00 Author:Nicole | Keyword: charger, USB interface, adapter

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Charger schematic diagram of USB interface and supplyed to wall adapter(LTC053）

Published:2011/4/14 3:52:00 Author:Nicole | Keyword: Charger, USB interface, adapter

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VMOS switch steady voltage circuit

Published:2011/4/14 3:54:00 Author:Nicole | Keyword: VMOS, switch, steady voltage

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Double tracking regulated power supply of TTL logic level control

Published:2011/4/14 3:58:00 Author:Nicole | Keyword: regulated power supply, TTL, logic level control

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2～37V adjustable regulated power supply composed of μA723

Published:2011/4/14 4:19:00 Author:Nicole | Keyword: regulated power supply

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Regulated power supply circuit changed +15V power supply into -5V power supply

Published:2011/4/14 4:18:00 Author:Nicole | Keyword: regulated power supply, +15V power supply, -5V power supply

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Steady voltage circuit only with 1V difference between input voltage and output voltage

Published:2011/4/13 2:21:00 Author:Nicole | Keyword: steady voltage, input voltage, output voltage

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Switching integrated regulated power supply with 4A output current

Published:2011/4/13 2:24:00 Author:Nicole | Keyword: switching, regulated power supply, 4A output current

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Switching integrated regulated power supply with 3A output current

Published:2011/4/13 2:27:00 Author:Nicole | Keyword: Switching, regulated power supply, 3A output current

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Regulated power supply with adjustable output current and output voltage

Published:2011/4/13 2:30:00 Author:Nicole | Keyword: regulated power supply, output current, output voltage

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Serial regulating circuit with adjustable output voltage

Published:2011/4/13 2:46:00 Author:Nicole | Keyword: serial regulating, output voltage

The output voltage of this circuit can adjust from 0 to the maximum continuously. The datum quantity is the constant current circuit which is charged by auxiliary power supply. The reference current can be adjusted by 500Ω trimming resistor, the value is about 7mA. The current flows 2.5kΩ potentiometer and forms a voltage drop, its value is from 0 to maximum output, then the output voltage UA can be adjusted between 0 and the maximum.   (View)

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Integrated regulated power supply circuit with output voltage can be adjusted to 0.5V

Published:2011/4/13 2:48:00 Author:Nicole | Keyword: regulated power supply, output voltage

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Double output regulated power supply

Published:2011/4/13 2:49:00 Author:Nicole | Keyword: double output, regulated power supply

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Double tracking regulated power supply

Published:2011/4/13 2:51:00 Author:Nicole | Keyword: Double tracking, regulated power supply

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Power supply circuit used in TTL circuit

Published:2011/4/14 3:39:00 Author:Nicole | Keyword: Power supply, TTL

This circuit can be used to provide TTL integrated circuit with power supply. Potentiometer Rp =1kΩ is used to adjust output voltage, normally, it is 5V. The regulator tube is used to provide reference voltage. The main technical details: input voltage: U1=220±10%V, 50Hz; output voltage: U2=5V; adjustable range of output voltage: 0.7~7V; the max output current:I2=2A; noise voltage: U<2mV; transformer turns: n1=1550 turns, 0.25mm enameled copper wire, n2=72 turns, 1.4mm enameled copper wire.   (View)

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Sequenced flashing AC flash lamp circuit

Published:2011/4/12 21:45:00 Author:Nicole | Keyword: AC flash lamp

Q3, Q4, Q5 circuit form ring counter, the control leve of three terminal TRIAC Q5~Q8 is its load. Three incandescent lamps are sequenced flashing, normally only a lamp flashing at a time. Pulse frequency can be adjusted, the speed of changing lamp is 0.1~8/s. If adding the circuit of dashed box, the first light will not be extinguished when the next light flashing.   (View)

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