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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Recording Heads Preamplifier (CB15821E)
The integrated circuit used is uncommon today. The numbering in parentheses is for the second...
DC Motor Reversal (CB14959E)
This circuit uses two relays to reverse the direction of rotation of a direct current motor. It...
Lights On Reminder (CB12637E)
This circuit activates the horn if the door is opened with the headlights on. The circuit is for...