Published:2011/6/20 1:38:00 Author:Seven | Keyword: logic frame circuit
The MCl45436 (general) logic frame circuit (View)
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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.
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Published:2011/6/20 1:47:00 Author:Seven | Keyword: application circuit
The STK4121 application circuit is shown in the figure.
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Published:2011/6/20 22:12:00 Author:Seven | Keyword: application circuit
The STK4112 application circuit is shown as above.
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Published:2011/6/20 22:12:00 Author:Seven | Keyword: elevator, control chamber
The Beijing Wuzhou elevator control chamber circuit is shown as above:
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Published:2011/6/20 22:13:00 Author:Seven | Keyword: application circuit
The STK4111 application circuit is shown as above.
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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.
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Published:2011/6/20 10:31:00 Author:Seven | Keyword: application circuit
The STK4102 application circuit is shown in the figure:
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Published:2011/6/20 10:43:00 Author:Seven | Keyword: FET, switch pipe, amplifier circuit
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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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Published:2011/6/14 9:31:00 Author:chopper | Keyword: transistor, 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.
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Published:2011/6/15 7:33:00 Author:chopper | Keyword: switching power supply, thick film
STRS6309 is a mixed type switching power supply thick film integrated circu (View)
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Published:2011/6/11 21:13:00 Author:chopper | Keyword: heat conduction, prevention
The collocation method is as follows.
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Published:2011/6/19 20:47:00 Author:qqtang | Keyword: video enhancing circuit
The video enhancing circuit is shown in the figure.
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Published:2011/6/19 21:18:00 Author:qqtang | Keyword: key ring type, remote control
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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.
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Published:2011/6/19 21:09:00 Author:qqtang | Keyword: DC motor, thyristor
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Published:2011/6/19 21:07:00 Author:qqtang | Keyword: full-wave control, serially connected motor
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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.
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Published:2011/6/19 20:52:00 Author:qqtang | Keyword: video amplifier circuit
The TV video amplifier circuit is shown in the figure.
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