This version is one of many that can be found on our website. We found it in Radio Electronics from the 90s. Transistors support modern equivalents.
This circuit with power MOSFETs was found in a 1980s Siliconix documentation. Equivalent MOSFETs...
This 80's General Electric circuit is guarded by the noise-guard for operating current. The...
This circuit was obtained in a 1964 Electronic Design. The components used are from that time....