This ultrasonic digital remote-control transmitter was found in the January 1976 issue of Radio Electronics magazine. The components are from the period. The IC is from the period.
This interesting circuit, which can be used as an alarm, was found in a 1997 documentation. It...
The figure shows how to implement a No – OR or NOR function with 1 general purpose transistor. The supply...
This circuit was obtained in Linear Technology documentation from 1993. The circuit provides 3.3 V and...