We found this circuit in a 90s Radio Electronics. The integrated circuit used is uncommon today. The table indicates the components for different operating ranges.
This circuit generates pulses at a frequency that can be adjusted by a potentiometer. The circuit is...
This 1.5 A circuit is from the LM117 manual. The LM350 can be used for higher current, and the...
The circuit shown is from the 1994 Linear Applications Handbook by National Semiconductor. Other...