This circuit was obtained in the 1990 Motorola Linear Databook. The circuit uses a 139 series comparator, but other series can be used. The power source need not be symmetric.
August 2017 - STMicroelectronics' new DSL05 transient suppressors for 12 and 24 V voltages and...
This 6 V battery charger was found on a 1987 Hands On Electronics. Rc determines the charging...
I found this circuit in an English magazine from July 1982. The circuit is still viable because all...