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)

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12.6 V x 3 A Power Supply (CB13435E)
This circuit is from an old American publication from 1977. Transistor Q1 can be a TIP42 and Q2 a...
DC shunt motor control (CB8017E)
This soft start circuit was found in a 1965 General Electric documentation. The SCR and bridge...
Tunable notch filter (CB7404E)
We found this circuit in an English publication from the 1980s. The circuit uses current...