We found this power supply in the 1982 SGS Linear Integrated Circuits manual. The L296 is not common today, but if found it results in an excellent switching source with good stability.
Found in a 1969 Electronics World, this circuit is intended for amplifying analog cable TV...
Place the lamp on the ignition threshold via R2. Your approach causes it to light up. The secret is...
This circuit has a voltage gain of approximately 100 times and can operate with medium and high...