This circuit is from a 90s documentation. It has a hysteresis and uses a light sensing bridge. The circuit generates a 1000 Hz modulated 10 Hz signal. The signal must be applied to an amplifier.
Found in a 90s Electronic Design, this circuit can generate sinusoidal signals from 0.1 Hz to 25...
This circuit activates a warning lamp when an incoming call is received. We found it in an 80s...
April 2017 - Mouser Electronics has the bq25890H integrated circuit consisting of a single 5 A...