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Schematic diagram for a broadband QRP SWR metering circuit and SSB TRANSCEIVER 80M / 40M boster filter IF Radio

A schematic diagram for a broadband QRP SWR metering circuit for use in a QRP antenna tuner. One could simply hold a momentary DPDT switch down and watch the LED while tuning the capacitors of the antenna tuner for minimum or zero light.

LM555 Microcontroller Circuit TIMER part 22

LM555 Microcontroller Circuit TIMER part 22

HA1398 Schematic audio amplifier

HA1398 Schematic audio amplifier

Circuit diagram DTMF Decoder using HT9032A MT88L70 HT9202H

Circuit diagram DTMF Decoder using HT9032A MT88L70 HT9202H This exciting project and something that many have been developed, but always remains to add some improvements. The DTMF decoder circuit for distinguishing some separate external components to produce devices capable of sending binary code from a button on the multi-tone phone. This circuit, in addition to […]

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

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