Bidirectional buffer (CB9317E)

This circuit was obtained in a 90s Electronic Design. The circuit uses components from that time.

Sine and square generator (CB20519E)
This circuit generates signals with two waveforms. The circuit is from a documentation from the...
Multi Frequency Oscillator (CB4226E)
This oscillator for various frequencies was obtained from a 1980s telecom documentation. The...
High Q Notch Filter (CB15639E)
This high Q “rejector” or notch filter rejects signals whose frequencies are in the range...