Zero Crossing Detector LM393 (CB4483E)

The circuit presented is from the 1993 Motorola Linear Interface ICs. Other operational may be used and the source is not symmetrical.

Photo Trigger Using Transistors (CB864E)
This circuit uses a photo-transistor to trigger a circuit sourcing a square signal for the output. The...
Integrated Microphone Amplifier LM383 (CB1345E)
This circuit makes use of an uncommon integrated circuit. It can provide a power of 6 W when...
Battery Condition Indicator (CB4984E)
The circuit is from an 80's publication, but the components are current, only special type diodes...