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Telephone Transmitter Circuit

Last Updated on August 6, 2021 by Swagatam 2 Comments

wireless telephone transmitter circuit

In this post I have explained 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 FM radio appropriately set up for the listening. Circuit Description The circuit diagram for the Telephone Transmitter can be witnessed in the […]

Filed Under: Transmitter Circuits Tagged With: Telephone, Transmitter

Extended Telephone Ring Amplifier/Repeater Circuit

Last Updated on May 5, 2022 by Swagatam 2 Comments

telephoneringrepeatercircuit

The discussed phone repeater circuit can extend the range of your land line ring sound from the phone such that one is able to make a call heard in another room or even in another house. By: R.K. Singh Circuit Operation The circuit can be connected with an attached buzzer, the buzzer with a driving […]

Filed Under: Audio and Amplifier Projects Tagged With: Amplifier, Extended, Repeater, Ring, Telephone

How to Make a Telephone Amplifier Circuit

Last Updated on May 5, 2022 by Swagatam 8 Comments

telephoneamplifiercircuitusingICCA3020

The simple telephone ring tone amplifier circuit I have explained in this article saves the inconvenience of picking the telephone handset while speaking over a call. This circuit also particularly becomes useful when there’s a need of the conversation to become audible to a number of people or a group of people. Introduction When the […]

Filed Under: Audio and Amplifier Projects Tagged With: Amplifier, Telephone

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