Push-pull stage (CB21796E)

This circuit with 1W of output was found in a Mullard manual from 1960. The consumption is low and germanium transistors of the time are used.

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Pulse Generator XR2206 (CB24509E)
We found this circuit in the Radio Electronics magazine of May 1977. The circuit has the frequency...
Micropower Clock (CB6504E)
This 200 kHz oscillator was found on a 90's EDN. It consumes only 2.8 mW and has CMOS compatible...
Signal follower (CB22322E)
This tracker for audio and RF signals was found in old American documentation. Transistors and...