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Index 15

TEA1523P power circuit

Published:2014/3/9 21:39:00 Author:lynne | Keyword: TEA1523P power circuit, TEA1523P

TEA1523P power circuit shown as follow: (View)

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5GMl68 audio voltage-controlled festival lantern control circuit diagram

Published:2014/3/9 21:41:00 Author:lynne | Keyword: 5GMl68 audio voltage-controlled festival lantern control circuit diagram, 5GMl68

5GMl68 audio voltage-controlled festival lantern control circuit diagram
As shown for the introduction of four lights 5GM168 composed of a control circuit (chip G-foot vacant), after four output current limiting resistor added to each VS1 ~ VS4 gate control their lights off and the corresponding road lanterns. BM is a pickup sensor. (View)

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Sound control birdsong lights circuit(555、KD-5602) schematic

Published:2014/3/6 20:49:00 Author:lynne | Keyword: Sound control birdsong lights circuit(555、KD-5602) schematic,

Sound control birdsong lights circuit(555、KD-5602) schematic
The circuit shown in FIG. It consists of acoustic / electric sensors trigger timing circuit, thyristor trigger control circuit, birds sound buck rectifier circuit and the AC circuit. (View)

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Hardware circuit ultrasonic range finder

Published:2014/3/6 20:53:00 Author:lynne | Keyword: Hardware circuit ultrasonic range finder,

Hardware circuit ultrasonic range finder

AT89C2051 by external pin P1.6 output pulse width is 250μs, the carrier is 10 pulses of 40kHz pulse group, added to the push-pull transformer primary form by upconverting promote emitted ultrasonic transducer. Simultaneously transmitted, P1.7 outputs a high level starts to charge the capacitor C4. The transmitting end toggles LOW HIGH divider C4 starts R2, R3, and the composition discharged to the negative output terminal of the comparator. Ultrasonic receiving transducer converts the received ultrasonic waves reflected by an obstacle to the amplifier for amplification, which is a high gain, low noise amplifier, the positive input of the detection signal will be amplified to detect the echo of the comparator end. The emission level of the output P1.7 can suppress the comparator flip, it can be suppressed so that the transmitter transmits the ultrasonic wave radiated to the error detection result of the receiver. (View)

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Three-phase full-bridge application circuit diagram

Published:2014/3/6 20:55:00 Author:lynne | Keyword: Three-phase full-bridge application circuit diagram,

Three-phase full-bridge application circuit diagram
Pulse transformer can be tank-shaped Mn-Zn ferrite. Generally used U30 core or SEAR2: l pulse transformer. Three-phase full-bridge circuit diagram shown in Figure Application... (View)

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uc3842 switching power supply circuit

Published:2014/3/6 20:56:00 Author:lynne | Keyword: uc3842 switching power supply circuit, uc3842

uc3842 switching power supply circuit shown in figure: (View)

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Research sensor schematic circuit

Published:2014/3/6 20:57:00 Author:lynne | Keyword: Research sensor schematic circuit

Research sensor schematic circuit
Figure: is a schematic diagram of Sensors A-adjustable pressure, B-metal needle electrode clamps, C-metal needle electrode, D-perovskite type oxide thin, E-or carbon-based conductive silver paste, F-metal a substrate, G-DC power supply. (View)

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DMAl2 main circuit principle diagram

Published:2014/3/6 20:13:00 Author: | Keyword: DMAl2 main circuit principle diagram,

DMAl2 main circuit principle diagram
As shown for simplified DMA12 main circuit principle diagram. It is mainly composed of input circuit and electromagnetic interference (EMI) filter circuit, impact current limiting circuit, input rectifier filter circuit, booster/power factor correction circuit and absorption circuit, a half-bridge power conversion circuit, the output rectifier filter circuit, etc. Compared with DMA10, DMA12 adopted single phase input, booster/power factor correction method and the lossless absorption buffer circuit, and half bridge DC/DC power conversion and output rectifier filter part like the DMA10. (View)

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DMAl2 constitute a circuit diagram

Published:2014/3/6 20:13:00 Author: | Keyword: DMAl2 constitute a circuit diagram,

DMAl2 constitute a circuit diagram
DMA12 intelligent switch rectifier module by the ac input board (ACIB), the exchange motherboard (ACMB), dc motherboard (DCMB), output filter plate (TOF), control panel (propagated), shown earlier (FPBI) six boards printed circuit board and input/output plugs, circuit breakers, inductance and transformer etc, as shown. (View)

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P4 power supply circuit diagram

Published:2014/3/6 20:12:00 Author: | Keyword: P4 power supply circuit diagram,

P4 power supply circuit diagram as shown (View)

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DUM23-48/300 Ⅱ dc power distribution unit electrical principle diagram

Published:2014/3/6 20:10:00 Author: | Keyword: DUM23-48/300 Ⅱ dc power distribution unit electrical principle diagram,

DUM23-48/300 Ⅱ dc power distribution unit electrical principle diagram
As shown in figure, B2 (13), B3 (14) for the hall current sensor; FU9 (9), FU10 (10) for the fuse; AP646 for fusing the alarm signal board; X24, X26 and X29 for user interface board of the terminal; XT for socket. (View)