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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4A Voltage Regulator LM3900 C (CB15260E)
Other amplifiers of the series like the MC3301, MC3401 and LM2900 can be used in this circuit. We found...
Balanced Modulator (CB4108E)
We found this balanced modulator circuit for DSB and possibly SSB transmissions in US 1980s...
400 V x 60 W converter (CB9672E)
Found in documentation from the 1980s, this converter or inverter circuit uses components from...