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 Amplifier 5 V x 60 mW with the HT82V732 (CB12962E)
In the figure we have an audio amplifier suitable for portable applications in both mono and...
Missing Pulse Detector MC1455 (CB14586E)
The integrated circuit used is equivalent to the 555 and the transistor can be the BC548. The...
Exposure Flash Meter (CB5445E)
This circuit is from an old American publication. The indicated transistor is oversized as the 15 V...