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Posts tagged CA3140

How to Make Electronic Circuits to drive the rats, mosquitoes and other animals

This circuit functions with inaudible (ultrasonic) sound. Frequency to 20 kHz sound was heard by humans. The sound frequencies above 20 kHz is called ultrasonic sound. Described a series of produce (emit) ultrasonic sound frequencies between 40 and 50 kHz. Like the remote control system is also cirucit consists of a mini transmitter and receiver […]

Make Wireless portable with CA3140,4069,4098

Parts: R1,R2,R19_______1K 1/4W R3-R6,R13,R17_100K 1/4W R7,R15__________1M 1/4W R8_____________50K 1/2W R9____________470R 1/4W R10___________470K 1/4W R11___________100K 1/2W R12___________220K 1/4W R14,R16________68K 1/4W R18____________22K 1/4W R20___________150R 1/4W C1,C7_________100µF 25V C2,C3_________330nF 63V C4-C6___________4µ7 25V D1,D5______Red LEDs D2,D3________1N4148 75V D4________BZX79C7V5 7.5V 500mW IC1__________CA3140 or TL061 IC2____________4069 IC3____________4098 or 4528 Q1,Q2_________BC238 25V 100mA NPN L1_____________10mH miniature Inductor BZ1___________sounder (incorporating 3KHz oscillator)

Audio amplifier circuits

Audio amplifier circuits using LA4597

Audio Car Honda Jazz

Audio Car Honda Jazz Wiring Diagram Audio Car Honda Jazz Kenwood K-CD01 Adapters & Equipment, Audio Car Honda Jazz, Car Honda Jazz, Car Stereo, Car Stereo & Audio Installation Kits, Cruise Control, Honda Civic Car Stereo Radio Wiring Diagram, Honda civic radio wiring diagram, Honda Fit Car Stereo Wiring Diagram, Honda Jazz, Kenwood DDX8032, Request […]

I am planing to start a small Electronics Design Company,How can I get customer?

Electronics friend asked: I am try to enter in Business field,Even-though i am ready to give them the product much cheaper and better than others, customers are no ready buy, What is reason for this,How can I get customers easily

Simple Ohmmeter Driver circuit

Simple Swr Avometer Driver circuit Synthetic Isolators, great for checking the SWR of antennas

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