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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Multivibrator with Mark Space Ratio (CB19533E)
This is a traditional CMOS configuration found in other articles in this section and on this...
Two 555 Siren (CB15859E)
This circuit uses integrated 555 and an amplification step with transistors, as we can see in the...
Broadband Amplifier CA3140 (CB11978E)
This amplifier was obtained from the CA3140 datasheet, an operational amplifier with JFET at the...