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T, R-40 Series of universal ultrasonic transmitting, receiving sensor circuit diagram

Published:2011/9/16 1:02:00 Author:Rebekka | Keyword: ultrasonic transmitting, receiving sensor

T, R-40 Series of universal ultrasonic transmitting, receiving sensor circuit diagram

T/R-40 series of ultrasonic sensors works by piezoelectric effect. Usually we also call it transducer. This type of transducer is suitable for anti-theft alarm and remote. The shape, size and circuit symbols of T/R-40-XX series of ultrasonic sensors. The ultrasonic transmitter circuit composed of discrete structure. T/R-40-16 will emit a string of 40kHz ultrasonic signals. The circuit voltage is 9V, operating current is 25mA, control distance can up to 8m. Ultrasonic transmitter circuit composed of 555. The 40kHz oscillation pulse drives T-40-16 output from 555 of the pin 3, that makes it emit 40kHz ultrasonic signal. Circuit voltageis 9V, operating currentis 40 ~ 45mA, the control distance is more than 8m. Bistable ultrasonic receiver circuit Universal ultrasonic receiver circuit. (View)

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C8051F EC2 JTAG emulator circuit diagram

Published:2011/12/9 0:50:00 Author:Ecco | Keyword: JTAG emulator

C8051F EC2 JTAG emulator circuit diagram
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CD-ROM interface schematic circuit diagram

Published:2011/12/9 0:49:00 Author:Ecco | Keyword: CD-ROM interface , schematic

CD-ROM interface schematic circuit diagram
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The high-performance 500 multimeter circuit diagram

Published:2011/12/9 0:49:00 Author:Ecco | Keyword: high-performance , multimeter

The high-performance 500 multimeter circuit diagram
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4GHZ oscillator circuit diagram composed of BFR34A transistor

Published:2011/12/8 20:21:00 Author:Ecco | Keyword: 4GHZ, oscillator, transistor

4GHZ oscillator circuit diagram composed of BFR34A transistor
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Small FM transmitter (wireless speaker ) circuit diagram

Published:2011/12/9 1:30:00 Author:Ecco | Keyword: Small , FM transmitter, wireless speaker

Small FM transmitter (wireless speaker ) circuit diagram
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Small electronic coupling oscillator circuit diagram

Published:2011/12/8 20:23:00 Author:Ecco | Keyword: Small , electronic coupling oscillator

Small electronic coupling oscillator circuit diagram
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The LCD digital thermometer circuit using 7136

Published:2011/12/8 20:43:00 Author:Ecco | Keyword: LCD digital thermometer

The LCD digital thermometer circuit using 7136
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Active servo power amplifier circuit for lifting subwoofer

Published:2011/12/8 20:46:00 Author:Ecco | Keyword: Active servo , power amplifier , lifting subwoofer

Active servo power amplifier circuit for lifting subwoofer
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YN 5203 ( anti-theft system) radio or infrared remote control decoding circuit diagram

Published:2011/12/8 20:49:00 Author:Ecco | Keyword: anti-theft system, radio , infrared , remote control , decoding

YN 5203 ( anti-theft system) radio or infrared remote control decoding circuit diagram
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Adjustable voltage-stabilizing circuit with current limiting protection function

Published:2011/12/8 20:51:00 Author:Ecco | Keyword: Adjustable , voltage-stabilizing circuit , current limiting, protection function

Adjustable voltage-stabilizing circuit with current limiting protection function
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Several vi transformation and constant current source circuits

Published:2011/12/8 20:19:00 Author:Ecco | Keyword: Several vi transformation , constant current source

Several vi transformation and constant current source circuits
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Memory internal memory circuit diagram

Published:2011/12/8 20:20:00 Author:Ecco | Keyword: Memory , internal memory

Memory internal memory circuit diagram
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The Y-△ starting circuit 3 for motor without power switch

Published:2011/11/3 2:06:00 Author:Ecco | Keyword: Y-△ starting , motor , without power switch

The Y-△ starting circuit 3 for motor without power switch
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The power circuit of COMPAQ 1504 TTL color monitor

Published:2011/12/8 0:57:00 Author:Ecco | Keyword: power circuit , COMPAQ , TTL , color monitor

The power circuit of COMPAQ 1504 TTL color monitor
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The power circuit of COMPAQ TE-1420Q VGA multi-frequency monitor

Published:2011/12/7 20:34:00 Author:Ecco | Keyword: power , COMPAQ, VGA , multi-frequency monitor

The power circuit of COMPAQ TE-1420Q VGA multi-frequency monitor
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JJ2B-30 ~ 90 Variable voltage start-up circuit

Published:2011/12/7 2:08:00 Author:Ecco | Keyword: Variable voltage, start-up circuit

JJ2B-30 ~ 90 Variable voltage start-up circuit
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JJ28-11 ~ 22 Variable voltage start-up circuit

Published:2011/12/7 2:11:00 Author:Ecco | Keyword: Variable voltage , start-up

JJ28-11 ~ 22 Variable voltage start-up circuit
This starter is suitablefor 11 ~ 22kW motor.Because the current islarge,it uses three current transformers E to provide mutual inductance current. (View)