He wound up using two common NPN transistors and 4 1K resistors. The circuit isn’t going to beat out a cheap linear regulator IC, but for the low component count, it is actually pretty good.

Reducing ripple in this situation involved designing low-inductance circuit traces on the ... 1541 which originally had the linear TO3 voltage regulators. It’s definitely a non-trivial task ...

Learn more at vidatronic.com. A linear voltage regulator is a circuit that takes in a variable input voltage and provides a continuously controlled, steady, low-noise DC output voltage. Generally, ...