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Index 1741

The MCl45436 (general) logic frame circuit

Published:2011/6/20 1:38:00 Author:Seven | Keyword: logic frame circuit

The MCl45436 (general) logic frame circuit (View)

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The Beijing Tujie elevator control chamber circuit

Published:2011/6/20 9:15:00 Author:Seven | Keyword: elevator control chamber

The Beijing Tujie elevator control chamber circuit is shown in the figure. (View)

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The STK4121 application circuit

Published:2011/6/20 1:47:00 Author:Seven | Keyword: application circuit

The STK4121 application circuit is shown in the figure. (View)

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The STK4112 application circuit

Published:2011/6/20 22:12:00 Author:Seven | Keyword: application circuit

The STK4112 application circuit is shown as above. (View)

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The Beijing Wuzhou elevator control chamber circuit

Published:2011/6/20 22:12:00 Author:Seven | Keyword: elevator, control chamber

The Beijing Wuzhou elevator control chamber circuit is shown as above: (View)

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The STK4111 application circuit

Published:2011/6/20 22:13:00 Author:Seven | Keyword: application circuit

The STK4111 application circuit is shown as above. (View)

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The Otis 300vf elevator mainstream circuit

Published:2011/6/20 10:41:00 Author:Seven | Keyword: elevator, mainstream circuit

The Otis 300vf elevator mainstream circuit is shown in the following circuit. (View)

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The STK4102 application circuit

Published:2011/6/20 10:31:00 Author:Seven | Keyword: application circuit

The STK4102 application circuit is shown in the figure: (View)

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The FET switch pipe gate source voltage amplifier circuit

Published:2011/6/20 10:43:00 Author:Seven | Keyword: FET, switch pipe, amplifier circuit

The FET switch pipe gate source voltage amplifier circuit
(View)

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The Otis toec-chvf elevator overhaul circuit

Published:2011/6/20 22:14:00 Author:Seven | Keyword: Otis, overhaul

The Otis toec-chvf elevator overhaul circuit is shown as above. (View)

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circuit of transistor and current foldback

Published:2011/6/14 9:31:00 Author:chopper | Keyword: transistor, current foldback

circuit of transistor and current foldback
The following picture is the current foldback circuit.When the voltage drop on R is over 0.6V,VT2 will be conducted and VT1 will close to cut off the output current.In this case,the current of VT1 is limited at 6A. (View)

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STR-S6309 switching power supply thick film integrated circuit

Published:2011/6/15 7:33:00 Author:chopper | Keyword: switching power supply, thick film

STR-S6309 switching power supply thick film integrated circuit

STRS6309 is a mixed type switching power supply thick film integrated circu (View)

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heat conduction prevention circuit

Published:2011/6/11 21:13:00 Author:chopper | Keyword: heat conduction, prevention

heat conduction prevention circuit
The collocation method is as follows. (View)

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The video enhancing circuit

Published:2011/6/19 20:47:00 Author:qqtang | Keyword: video enhancing circuit

The video enhancing circuit is shown in the figure. (View)

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The key ring type wireless encoding remote control circuit (2)

Published:2011/6/19 21:18:00 Author:qqtang | Keyword: key ring type, remote control

The key ring type wireless encoding remote control circuit (2)
(View)

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The 50～102.4MHz clock mixer circuit

Published:2011/6/19 21:16:00 Author:qqtang | Keyword: clock mixer

In Figure 6-3 is the 50～102.4MHz clock mixer circuit. The adjusted frequency range of the circuit is about twice, when the frequency under 50MHz is needed, the input frequency can be split by the spliter. The input Ui frequency is 25KHz, UoA outputs the 50～102.4 MHz signals whose resolution ratio is 400KHz. As the frequency is high, the wires between 3-pin of TLC2933（2）and the 1-pin of 74AC393 would better be short. (View)

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The DC motor forward/backward rotating circuit controlled by the thyristor

Published:2011/6/19 21:09:00 Author:qqtang | Keyword: DC motor, thyristor

The DC motor forward/backward rotating circuit controlled by the thyristor
(View)

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The full-wave control circuit of the serially connected motor

Published:2011/6/19 21:07:00 Author:qqtang | Keyword: full-wave control, serially connected motor

The full-wave control circuit of the serially connected motor
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The nerve muscle therapeutic apparatus circuit

Published:2011/6/19 21:05:00 Author:qqtang | Keyword: therapeutic apparatus

The nerve muscle therapeutic apparatus circuit is suitable for middle/old people, office people,high physical labourers and athletes, which has certain function on acute/chronic around nerve illness, muscle injury and muscle strain, etc.Working principle: the circuit is shown in the figure. CD4060 is a time sequence frequency distributor with a oscillator. The frequency of the oscillator is decided by C1,R10,R11 and W1, by adjusting W1, the oscillating frequency can be changes, so that the rhythm of the massage can be changed. After the oscillating signal is split from the inside. (View)