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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Cycloid adapter (CB6908E)
The purpose of this 1965 Radio Electronics circuit is to observe cycloid waveforms on a standard...
Lights On Reminder (CB12637E)
This circuit activates the horn if the door is opened with the headlights on. The circuit is for...
Scale expander for microammeter (CB7363E)
This circuit was found in a 1967 Ferranti manual and can be applied to modern operating...