This circuit uses a Motorola component from the 90's and is suitable for the diode-transistor logic of the time. The circuit can be adapted to use more modern equivalent logic.
May 2017 - New sequencers UDC9090A for monitoring up to 10 power supplies from Texas Instruments...
The duty cycle of a Schmitt Oscillator can be programmed by R1 and R2 in this circuit. The...
This alarm circuit was found in the July 1992 Radio Electronics magazine. The circuit uses a small...