Tubes

Articles
Title
One Tube Telegraphic Oscillator (T012E)
One Tube MW Receiver (T013E)
Tubes (T011E)
Grid Controlled Rectifier (T010E)
Modulated High-Frequency Oscillator (T009E)
Chatode-Coupled duo Triode Oscillator (T008E)
Experimental Audio Oscillator (T007E)
Staircase Generator (T006E)
Schmitt Trigger (T005E)
Electronic Switch (T004E)
High-Fidelity Audio Amplifier (T003E)
Spiral Time Base Generator (T003E)
Code Practice Oscillator (T002E)
Tubes – How they work (T001E)

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Audio Mixer (CB16633E)
This conventional version with a transistor, already explored many times on our website, was found...
Capacitive Transducer Amplifier (CB10564E)
This circuit came out in an English magazine from 1977, but it can be easily assembled today, as...
Radio for headphones CK722 (CB23625E)
This simple radio for listening to a headphone with two CK722 transistors was found in Radio...