100 MHz harmonic oscillator (CB9659E)

This Pierce oscillator was found in American documentation from the 1980s. Transistors support modern equivalents.

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Limit Comparator (CB5086E)
This circuit appears elsewhere on the site. The circuit shown is from an American 1980s...
Relaxation Oscillator using the 741 (CB485)
This circuit can produce signals up to 100 kHz depending on C1 and R1 adjustment. The output has a...
800 Hz Sinusoidal Oscillator (CB13572E)
This circuit is from an old publication from 1977 and can be implemented with more modern...