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Beijing Wuzhou elevator control circuit (1)

Published:2011/5/19 8:36:00 Author:TaoXi | Keyword: Beijing Wuzhou, elevator, control circuit

Beijing Wuzhou elevator control circuit (1) (View)

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Beijing Wuzhou elevator safety loop and band-type brake circuit

Published:2011/5/19 8:39:00 Author:TaoXi | Keyword: Beijing Wuzhou, elevator, safety loop, band-type brake

Beijing Wuzhou elevator safety loop and band-type brake circuit (View)

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Toshiba CV60 elevator band-type braking circuit

Published:2011/5/19 8:52:00 Author:TaoXi | Keyword: Toshiba, elevator, band-type braking circuit

Toshiba CV60 elevator band-type braking circuit (View)

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ultra warm monitor wireless alarm system

Published:2011/5/19 10:04:00 Author:Lena | Keyword: ultra warm, wireless alarm system

ultra warm monitor wireless alarm system
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sickroom wireless call system circuit

Published:2011/5/19 9:54:00 Author:Lena | Keyword: sickroom, wireless call system

sickroom wireless call system circuit:(a)emitter circuit;(b)receiving display circuit (View)

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JT-3WB type microwave burglar alarm circuit

Published:2011/5/19 9:45:00 Author:Lena | Keyword: microwave, burglar alarm

JT-3WB type microwave burglar alarm circuit
JT-3WB (View)

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M18 machine core protection circuit

Published:2011/5/19 20:51:00 Author:Christina | Keyword: machine core, protection circuit

M18 machine core protection circuit: (View)

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The new generation touch stepless light and speed adjustment circuit NB7232

Published:2011/5/18 3:47:00 Author:TaoXi | Keyword: new generation, touch, stepless, light and speed adjustment

Related components PDF download: NB7232 The basic working principle of the circuit (dimming example): the human body electricity and the city electricity have the same frequency, when the human body touches the touch tablet, the body electricity becomes the standard MOS electrical level with the wave cutting, the amplification and the reshaping of the input buffer stage. When the touch duration is more than 32ms and less than 332ms, the logic control part circuit is in the switching working state. When the touch duration is more than 332ms, the logic control part circuit is in the dimmer working state, the output trigger pulse phase angle continuous cyclical changes between the 41 degrees to 159 degrees, and according to the human eye sensibility, there are three processes: the fast process, the slow process and the intermittent process. (View)

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Household appliances electricity utilization timer circuit

Published:2011/5/19 0:43:00 Author:TaoXi | Keyword: Household appliances, electricity utilization, timer

The Household appliances electricity utilization timer circuit (View)

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Mini contactless temperature box circuit

Published:2011/5/13 0:53:00 Author:TaoXi | Keyword: Mini, contactless, temperature box

Mini contactless temperature box circuit (View)

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Toshiba CV-180 elevator frequency modulation door opening circuit (2)

Published:2011/5/19 9:06:00 Author:TaoXi | Keyword: Toshiba, elevator, frequency modulation, door opening circuit

Toshiba CV-180 elevator frequency modulation door opening circuit (2) (View)

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Typical low-pass filter circuit

Published:2011/5/19 19:43:00 Author:Christina | Keyword: Typical, low-pass filter

The Typical low-pass filter circuit: (View)

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Toshiba CV180 elevator band-type braking circuit

Published:2011/5/19 9:11:00 Author:TaoXi | Keyword: Toshiba, elevator, band-type braking circuit

Toshiba CV180 elevator band-type braking circuit (View)

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Toshiba CV-180 elevator frequency modulation door opening circuit (1)

Published:2011/5/19 9:07:00 Author:TaoXi | Keyword: Toshiba, elevator, frequency modulation, door opening circuit

Toshiba CV-180 elevator frequency modulation door opening circuit (1) (View)

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Flash lamp SCR trigger circuit

Published:2011/5/19 19:17:00 Author:Christina | Keyword: Flash lamp, SCR, trigger

Flash lamp SCR trigger circuit
This circuit can provide protection for camera synchronous contacts, if we use the GE4JL8B instead of the SRC, this circuit can be used as the auxiliary flash. (View)

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Toshiba CV180 elevator control power supply circuit

Published:2011/5/19 9:00:00 Author:TaoXi | Keyword: Toshiba, elevator, control power supply

Toshiba CV180 elevator control power supply circuit (View)

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Police car sound and light analog circuit

Published:2011/5/19 19:02:00 Author:Christina | Keyword: Police car, sound, light, analog circuit

Police car sound and light analog circuit
This circuit can sends out the sound of police car, meanwhile the signal parade is flashing, you can install it in the police car and fire truck models to increase the enjoyment of the toys. In this circuit, the multivibrator oscillation circuit is composed of BG1 and BG2, the direct coupling amplifier is composed of the BG5 and BG6 to provide enough signal voltage for signal lamps. (View)

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Op amp differential mode voltage breakdown input stage protection measure circuit 1

Published:2011/5/17 2:07:00 Author:Rebekka | Keyword: Op amp, differential mode v, oltage breakdown , input stage, protection measure

Op amp differential mode voltage breakdown input stage protection measure circuit 1
The over-voltage protection circuit that does not add an internal protection measures is shown as figure (a), (b). Figure (a) is the diode protection circuit. Figure (b) is regulator protection circuit. In the specific application, you only need to select one of them. The resistance shown in the figure is limiting current clamp resistance. Its value is up to 10kΩ and the offset voltage will not decrease. In practical applications. The input end of resistance may be the signal input. Usually, to improve the DC accuracy, you can access the same resistance to each input end. In some cases, you only need to input resistor and feedback resistor to achieve the limit of clamping diode current. It can save one or two resistors. (View)

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Stepper Motor Control Experimental Circuit

Published:2011/5/17 5:46:00 Author:Robert | Keyword: Stepper Moto, Control, Experimental

Learning the working principle and controlling methods of stopper motor and mastering some simple circuit-control and basic motor knowledge. The Stepper Motor Control Experimental Circuit is shown below. (View)