Telecom

Articles
Title
High-Power AM Tube Transmitter (TEL009E)
FM Transmitter Using a Vacuum tube (TEL008E)
High-Power Push-Pull FM Transmitter (TEL007E)
Project Shortwave Telegraphic Transmitter (TEL006E)
Small AM Transmitter (TEL005E)
Three-Transistor FM Transmitter (TEL004E)
Small FM Transmitter (TEL003E)
Electromagnetic Interference – EMI (TEL002E)
Small FM Transmitters (ART002E)

Page 3 of 3

Simple 1-transistor oscillator (CB23615E)
This circuit takes advantage of the inductance of the coil of a high-impedance phone to form the...
Car Air Conditioner (CB15130E)
This circuit controls a fan in the car, according to the temperature, activating it automatically when the...
Telephone Spy II (CB18494E)
In relation to the previous circuit (CB18493E) this spy has an extra transistor, which can be a...