Tone Oscillator (CB22066E)

Found in old documentation, this oscillator with the LM380 produces an audio tone in a speaker. Frequency is set in VR1.

Bidirectional Motor Control L293 (CB15149E)
The L293 circuit is not common today. We found this circuit in the 1982 SGS linear integrated...
Sensitive Wheatstone Bridge (CB25889E)
We found this bridge circuit in Electronics Now magazine from September 1995. The instrument can...
Unijunction Frequency Divider (CB19136E)
We found this divider in a circuit manual from the 90s. The circuit is intended for operation with...