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You are here: Home / Archives for Transmitter Circuits

Telephone Transmitter Circuit

Last Updated on August 6, 2021 by Swagatam 2 Comments

The post explains how a landline telephone can be rigged up wirelessly with a small transmitter circuit, enabling easy tapping of the telephone, by transmitting the conversations to a distant […]

Filed Under: Transmitter Circuits

Visible Light Communication Circuit [using InfraRed]

Last Updated on December 18, 2021 by Swagatam 2 Comments

You can use this simple visible light communication circuit to send audio and digital information through infrared light, beyond a mile away, with extreme precision. By Sunil Rao The main […]



Filed Under: Transmitter Circuits

Transmitter Receiver Circuit for 80-meter Ham Radio

Last Updated on February 16, 2021 by Swagatam 6 Comments

This tiny and simple transmitter, receiver set will allow you to communicate over 100 of miles across the world, by tuning to 80-meter amateur ham radio stations. What is 80-meter […]

Filed Under: Transmitter Circuits

2 Meter Ham Radio Transmitter Circuit

Last Updated on January 25, 2021 by Swagatam 11 Comments

In this post we learn the complete building procedure of a 2-meter amateur ham radio transmitter circuit, using ordinary electronic components and ordinary test equipment. What is 2-Meter VHF Radio […]

Filed Under: Transmitter Circuits

Mini Transceiver Circuit

Last Updated on February 27, 2020 by Swagatam 3 Comments

A transceiver is a wireless communication device which has its own transmitter and receiver units built-in for communicating with another similar device at some distant location. The user on both […]

Filed Under: Transmitter Circuits

Fiber Optic Circuit – Transmitter and Receiver

Last Updated on January 3, 2020 by Swagatam 9 Comments

Electronic signals have been quite successfully sent for decades through standard “hard -wire” connections, or by using radio links of different kinds which had many disadvantages. On the other hand […]

Filed Under: Infrared (IR), Transmitter Circuits

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