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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Wow Wow Effect for Guitar (CB9092E)
This circuit is placed between the instrument pickup and the amplifier input. The same version can...
Touch Switch (CB449)
This circuit triggers on a lamp when the sensor (a metal plate us touched). Up to 100 W...
Multimeter with the CA3140 (CB12314E)
We obtained this circuit from a 1993 documentation. The circuit has current and voltage ranges that...