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Index 59

BMW sound circuit

Published:2011/7/6 2:14:00 Author:Christina | Keyword: BMW, sound circuit

BMW sound circuit
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Jetta QianWei air conditioning & fan control circuit

Published:2011/7/6 2:17:00 Author:Christina | Keyword: Jetta, QianWei, air conditioning, fan control circuit

The Jetta QianWei air conditioning & fan control circuit is as shown in the figure: (View)

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Epica engine control system-fuel control-fuel pump control and injector circuit

Published:2011/7/6 3:03:00 Author:Christina | Keyword: Epica, engine control system, fuel control, fuel pump control, injector circuit

The Epica engine control system-fuel control-fuel pump control and injector circuit is as shown in the figure: (View)

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Epica engine control system subsystem circuit

Published:2011/7/6 3:13:00 Author:Christina | Keyword: Epica, engine control system, subsystem circuit

The Epica engine control system subsystem circuit is as shown in the figure: (View)

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Epica engine data sensor-ignition system circuit

Published:2011/7/6 20:43:00 Author:Christina | Keyword: Epica, engine, data sensor, ignition system

The Epica engine data sensor-ignition system circuit is as shown in the figure: (View)

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The Honda-Accord 2003 steering signal lamp circuit

Published:2011/7/6 1:09:00 Author:qqtang | Keyword: Honda-Accord, steering signal lamp

The Honda-Accord 2003 steering signal lamp circuit is shown as above. (View)

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Accord 2003 safety alarm/remote start system circuit (2)

Published:2011/7/5 22:12:00 Author:qqtang | Keyword: safety alarm, remote start system

Accord 2003 safety alarm/remote start system circuit (2) is shown in the figure. (View)

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TA7770 dolby noise reduction integrated circuit

Published:2011/7/5 0:58:00 Author:chopper | Keyword: dolby, noise reduction, integrated circuit

TA7770 dolby noise reduction integrated circuit
TA7770 is a dolby noise reduction integrated circuit produced by Japanese company TOSHIBA,it is applied to slap-up low-voltage walkman,repeater and other acoustic equipments.1.function characteristicsTA7770 integrated circuit includes two double channel dolby noise reduction circuits of same function,benchmark voltage circuit,dolby switch control circuit and other miscellaneous function circuits.2.function and data of pinsTA7770 integrated circuit adopts dual inline 2 pinned package. The function and data of pins of the integrated circuit are shown as the chart 1. (View)

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The Chang An Auto fuse and relay circuit

Published:2011/7/4 4:09:00 Author:qqtang | Keyword: Chang An, Auto, fuse, relay

The Chang An Auto fuse and relay circuit is shown as above. R:red, W:white, C:green, Y:yellow, U:bule, B:black; N:brown, S:grey, R:purple The fuse and relay circuit (View)

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The internal circuit of the HN911 heat releasing electric infrared probe module

Published:2011/6/12 21:38:00 Author:qqtang | Keyword: internal circuit, probe module

The HN911 heat releasing electric infrared probe model is a sensing device which consists of the heat releasing electric infrared sensor, amplifier signal process circuit, time delay circuit and high/low LEV output circuit. It characterizes high sensitivity, high anti-noise ability, low temperature resistance and convenient use, etc, which is used to detect the infrared ray energy which is emitted by human bodies, it is suitable for the detection alarm system of human movement.The internal circuit of the HN911 heat releasing electric infrared probe module is shown in the figure. Figure:The internal circuit of the HN911 heat releasing electric infrared probe module (View)

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The module outline circuit of the HN911 heat releasing electric

Published:2011/6/12 21:38:00 Author:qqtang | Keyword: module outline, infrared probe

The module outline circuit of the HN911 heat releasing electric
The HN911 heat releasing electric infrared probe model is a sensing device which consists of the heat releasing electric infrared sensor, amplifier signal process circuit, time delay circuit and high/low LEV output circuit. It characterizes high sensitivity, high anti-noise ability, low temperature resistance and convenient use, etc, which is used to detect the infrared ray energy which is emitted by human bodies, it is suitable for the detection alarm system of human movement.The module outline of HN911 heat releasing electric infrared probe is shown in the figure. Figure:The module outline of HN911 heat releasing electric infrared probe (View)

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JFET broadband push-pull amplifier circuit

Published:2011/7/4 0:41:00 Author:John | Keyword: push-pull amplifier

JFET broadband push-pull amplifier circuit
The practical RF circuit is just as shown. This is prototyp developed from a similar circuit based on Doug DeMaw’s masterpiece named WIFB's QRPNotebook (ARRL, 99r, Main Street, Newington, CT06111). The affecting amplification component is JFET and the ideal operating frequency ranges from DC to VHF band. The ever very popular MPF 102 or its equivalent replacement components such as SK, ECG, NTE series devices can be used as available devices. ZN4416 can also be used. We are using the NTE-451-type JFET transistors, whose transconductance is up to 4000mS (micro- west E-Siemens). Besides, leakage current is from 4mA to 10mA, power consumption is 310mW and the maximum noise value is 4dB. (View)