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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Twin T Oscillator (CB21727E)
In the figure we have the typical configuration of a sinusoidal audio oscillator with twin-T. The...
Current to voltage converter (CB9606E)
This circuit has an accuracy of 1%. The components used must be precision as well. The input...
5 W Amplifier - TIP31-TIP32 (CB1005E)
This excellent amplifier with complementary symmetry output stage was taken from one of my audio...