This circuit was obtained from an 80's Electronic Engineering. The circuit detects ice formation by triggering a warning light. The operational amplifier is of the time.
Found in old documentation, this oscillator operates with high voltage. The diode must be of the...
This inverter circuit for a capacitive discharge ignition system was found in a Radio Electronics...
This oscillator for sinusoidal signals uses a lamp as a stabilizing element. We found it in the...