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Index 1990

High power speed governor circuit used in cleaner

Published:2011/4/11 2:25:00 Author:may | Keyword: High power, speed governor

High power speed governor circuit used in cleaner
By changing the gear of sw1 can control the revolving speed of of electric motor and get various pipe suction. (View)

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Electric fan serial and parallel connection method speed regulation circuit

Published:2011/4/11 2:22:00 Author:may | Keyword: Electric fan, serial, parallel connection method, speed regulation

Electric fan serial and parallel connection method speed regulation circuit is shown in the diagram: (View)

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T type winding tap speed regulation circuit

Published:2011/4/2 4:25:00 Author:may | Keyword: T type, winding tap, speed regulation

T type winding tap speed regulation circuit is shown in the diagram: (View)

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Using TDA as positive and negative regulator dual power supply circuit diagram

Published:2011/4/28 1:36:00 Author:Rebekka | Keyword: positive and negative , regulator dual power supply

Using TDA as positive and negative regulator dual power supply circuit diagram is shown as above. (View)

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Multipurpose AC electronic switch circuit (for thermoregulation)

Published:2011/4/6 5:36:00 Author:may | Keyword: Multipurpose, AC electronic switch, thermoregulation

Multipurpose AC electronic switch circuit (for thermoregulation)
(View)

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The automatic control circuit of ventilator

Published:2011/4/2 4:35:00 Author:may | Keyword: automatic control, ventilator

The automatic control circuit of ventilator is shown in the following diagram: (View)

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Multi-controlled three-switch circuit

Published:2011/4/2 4:30:00 Author:may | Keyword: Multi-controlled, three-switch

Multi-controlled three-switch circuit is shown in the diagram: (View)

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The simple air control circuit of ventilator

Published:2011/4/2 4:32:00 Author:may | Keyword: air control, ventilator

The simple air control circuit of ventilator is shown in the following diagram: (View)

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Constant speed control circuit with ta7715p

Published:2011/4/6 5:31:00 Author:may | Keyword: Constant speed control

Constant speed control circuit with ta7715p
(View)

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H type winding tap speed regulation circuit

Published:2011/4/2 4:36:00 Author:may | Keyword: H type, winding tap, speed regulation

H type winding tap speed regulation circuit is shown in the diagram: (View)

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300B Vacuum Tube Single End A Type Power Amplifier Circuit

Published:2011/4/23 1:00:00 Author:May | Keyword: Vacuum Tube, Single End, A Type, Power Amplifier

300B Vacuum Tube Single End A Type Power Amplifier Circuit, vacuum tube has 12AX7 pdf. The frequency respondence of this amplifier is very flat, it only has ±1dB changefrom 18Hz~30KHz, total harmonic distortion of this amplifier is less than 1%. (View)

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Pull-up standard voltage circuit composed of RF2320

Published:2011/4/11 3:02:00 Author:may | Keyword: Pull-up standard voltage

The diagram is pull-up standard voltage circuit composed of RF2320. This circuit uses two transformer TTWB-2-B, one used as input transformer, the other used as output transformer. Using 2 pieces RF2320 to form push-pull circuit. The signal is coupling input through input transformer, get by push-pull enlarge than coupling output by output transformer. Output transfomer centretap offers 7V of power standard voltage. (View)

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The internal form circuit diagram of double bits LED digital tube

Published:2011/4/28 1:29:00 Author:Ecco | Keyword: internal form , double bits , LED digital tube

The internal form circuit diagram of double bits LED digital tube is shown as the chart. (View)

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A8800 IF signal processing integrated circuit diagram

Published:2011/4/28 1:26:00 Author:Ecco | Keyword: IF, signal processing , integrated circuit

A8800 IF signal processing integrated circuit diagram

TA8800 is an IF signal processing integrated circuit produced by Toshiba, it is widely used in domestic and imported large screen color TV. 1. The features of functionTA8800 IC embedded video zoom, video detector, high frequency and IF AGC, VIF amplification, intermediate frequency amplification and sound processing circuit. 2. Pin functions and dataTA8800 integrated circuit block diagram and the pin functions are shown in Figure 1, the operating parameters are listed in Table 1. Figure 1 is the block diagram and pin functions of TA8800 integrated circuit. Table 1 shows operating parameters of TA8800 integrated circuit. (View)

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Using LM386 as photorelay circuit diagram

Published:2011/4/28 1:23:00 Author:Rebekka | Keyword: photorelay

Using LM386 as photorelay circuit diagram is shown as above. (View)

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Using LM386 as Kara OK muffler circuit diagram

Published:2011/4/28 1:25:00 Author:Rebekka | Keyword: Kara OK muffler

Using LM386 as Kara OK muffler circuit diagram is shown as above. (View)

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Dual high-speed optocoupler internal circuit diagram

Published:2011/4/28 1:22:00 Author:Rebekka | Keyword: Dual high-speed optocoupler

Dual high-speed optocoupler internal circuit diagram is shown as above. (View)

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Output boost adjustable power composed Of MAX761 circuit diagram

Published:2011/3/30 5:04:00 Author:may | Keyword: Output boost adjustable, power

Output boost adjustable power composed Of MAX761 circuit diagram
The diagram is output boost adjustable transform power, itconsists of highly active, low power consumption Step Up DC convertor MAX761 and some peripheral cells. The output voltage depends on the specific value of R2 and R1, it can calculate according to the formula V0＝(1+R2/R1)×VREF, VREF＝1.5V. (View)