Burst generator (CB21067E)

Found in American documentation from the 90s, this circuit generates sound bursts according to the digital control.

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Damped tone generator (CB8842E)
This circuit uses an unusual electromechanical component: a mechanical blade resonator. The...
Transistor Amplifier (CB18859E)
This circuit from a Japanese publication in 1968 uses germanium transistors from the time like the...
Operational power VCO (CB8779E)
Found in a 90s Electronic Design, this circuit can provide a relatively high-power output. The basic...