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Index 1712

The 110～380V AC auto regulated power supply circuit

Published:2011/6/24 3:37:00 Author:Seven | Keyword: AC, power supply

The 110～380V AC auto regulated power supply circuit
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The full-automation AC regulated power supply circuit

Published:2011/6/24 3:42:00 Author:Seven | Keyword: full-automation, power supply

The full-automation AC regulated power supply circuit
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The color TV power supply controller circuit

Published:2011/6/24 3:48:00 Author:Seven | Keyword: color TV, power supply, controller

The color TV power supply controller circuit
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The independent power amplifier ocl circuit

Published:2011/6/24 3:50:00 Author:Seven | Keyword: power amplifier

The independent power amplifier ocl circuit is shown as above. (View)

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The full-automation AC regulator circuit

Published:2011/6/24 3:55:00 Author:Seven | Keyword: AC regulator, full-automation

The full-automation AC regulator circuit
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The audio controlled AC regulator circuit

Published:2011/6/24 3:56:00 Author:Seven | Keyword: audio controlled, AC regulator

The audio controlled AC regulator circuit
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The new type color TV power supply controller circuit

Published:2011/6/24 4:02:00 Author:Seven | Keyword: new type, color TV, controller

The new type color TV power supply controller circuit
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The 5-12V continuous and adjustable regulated power supply circuit

Published:2011/6/24 7:10:00 Author:Seven | Keyword: regulated, power supply

The 5-12V continuous and adjustable regulated power supply circuit
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The fridge auto deodorizer circuit

Published:2011/6/24 7:22:00 Author:Seven | Keyword: fridge, auto deodorizer

The fridge auto deodorizer circuit
Working principles The equipment consists of the light control, time delay circuit and the passive ion generator. The equipment is controlled by the fridge internal lighting lamp. When the door is open, the lamps are on, and the LED VT1 is conducting, the 2-pin of the time-base circuit IC1 is in a low LEV immediately, the 3-pin is outputting a high LEV quickly, the dual-way controllable silicon VS is triggered and conducting, and the passive ion generator is stating to work. The working voltage of the light control and time delay control circuit is generated after the 220V AC voltage is stepped down by C1, rectified by VD1, stabilized by VDW and filtered by C2. (View)

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ND838 several typical application circuit

Published:2011/6/25 10:00:00 Author:John

ND838 several typical application circuit
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Voltage stabilizer circuit outputs the positive and negative voltage simultaneously

Published:2011/6/23 8:06:00 Author:Christina | Keyword: Voltage stabilizer, positive, negative, simultaneously

Some circuits need the voltage source that can output the positive and negative voltage simultaneously, we can form the voltage stabilizer circuit that outputs the positive and negative voltage simultaneously by using the CW7800 series and CW7900 series integrated voltage stabilizers. The circuit is as shown in the figure. Voltage stabilizer circuit outputs the positive and negative voltage simultaneously Because this circuits use the same group of rectifier circuit, so the circuit is simple. But it is not suitable for the two-way unbalanced load circuit, otherwise it will result in the increasing of the output voltage error to destroy the stability. (View)

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AY-3-8600 single chip game console integrated circuit

Published:2011/6/23 8:14:00 Author:Christina

AY-3-8600 single chip game console integrated circuit

The AY-3-8600 is designed as one kind of single chip game console integrated circuit that can be used to form the toy game circuit. 1.Pin functions The AY-3-8600 uses the 28-pin dual-row package, the pin functions are as shown in table 1. It is composed of the signal mixing circuit, the clock generator circuit and the reset circuit.etc. Table 1 The pin functions of the AY-3-8600 integrated circuit 2.Typical application circuit The game console typical application circuit which is composed of the AY-3-8600 integrated circuit is as shown in figure 1. Figure 1 The typical application circuit of the AY-3-8600 (View)

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Boost Flyback-type single-stage isolated PFC converter circuit

Published:2011/6/25 9:40:00 Author:John | Keyword: converter

Boost Flyback-type single-stage isolated PFC converter circuit
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ICL7135 A / D converter application circuit

Published:2011/6/25 9:38:00 Author:John | Keyword: A / D converter

ICL7135 A / D converter application circuit
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Three-port fixed integrated voltage stabilizer circuit

Published:2011/6/23 8:19:00 Author:Christina | Keyword: Three-port, fixed, integrated, voltage stabilizer

Three-port fixed integrated voltage stabilizer circuit
The 7~30V adjustable voltage stabilizer circuit which is composed of the CW7805 integrated voltage stabilizer is as shown in the figure. The F007 operational amplifier is the voltage follower, its operating voltage is directly from the DC voltage input port of the voltage stabilizer. The 7~30V adjustable voltage stabilizer circuit (View)

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AX5112 fan single chip microcomputer integrated circuit

Published:2011/6/24 7:12:00 Author:Christina | Keyword: fan, single chip, microcomputer, integrated circuit

AX5112 fan single chip microcomputer integrated circuit

The AX5112 is designed as one kind of fan single chip microcomputer integrated circuit which is produced by the ASL company, and it can be used in various kinds of fan program control circuits. 1.Pin functions The AX5112 uses the 20-pin dual-row DIP package, the pin functions is as shown in figure 1. Figure 1 The pin functions of the AX5112 2.Typical application circuit The remote control fan's typical application circuit which is composed of the AX5112 is as shown in figure 2. Figure 2 The typical application circuit of the AX5112 (View)

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Capacitive dimmer switch circuit

Published:2011/6/25 9:28:00 Author:John | Keyword: switch

Capacitive dimmer switch circuit is as shown. It uses the principle of capacitance of capacitors for AC. When the S is at the shown position, bulb E normally lights with the maximum brightness. When it is dialed to position ②, light intensity of E decreases because of the insert of 2μF capacitor C1 in series. When it is allocated to the position ③, the brightness is reduced with a block because of increasing capacitance cause by C2 <C1. And when it is allocated to the position ④, the light E is off. C1 and C2 should use non-polar oil paper capacitor which can endure more than 400V voltage. And S is the 1 × 4 single-pole four-throw switch. (View)