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

Voltage Lack Alarm (CB16295E)
This circuit is very useful to instantly reveal the lack of power in the local network. There are...
Insect Repellent (CB4413E)
This circuit of an old publication produces the insect-like noise that drives them away. The...
16 kV voltage source (CB6931E)
This circuit consists of an inverter powered by only 4.5 V. The circuit is from a 1967 Mullard...