This circuit was found in a 1965 Electronic Design. Transistor Q2 must be load dependent. The circuit can be adjusted for currents from 1 to 10 A. The voltage drop is 3 V and the maximum voltage is 35 V.
The purpose of this circuit, which we found in the November 1986 Radio Electronics issue, is to...
This circuit was found in an 80's Electronic Design. The frequency depends on the crystal and the...
This switching regulator circuit with less than 100 mV ripple was found in a 1980s documentation. The...