Create a versatile voltage-controlled voltage regulator based on
Current-Output Circuit Techniques Add Versatility to Your Analog Toolbox
A Simple 555 Timer based Buck Regulator for LED Dimmers and DC Motor Speed Control
Process Signals from Millivolts to ±10 V Directly with a Versatile Single-Supply 3/5-V Charge-Balancing A/D Converter
Controlled Current Source - an overview
Create a versatile voltage-controlled voltage regulator based on the LP2951 - EDN
Voltage Regulator Circuit Types and Simulation Tools
Negative Voltage Generator Using 555 IC
Cuk converter How it works, Application & Advantages
Adaptive voltage scaling - Wikipedia
IC 723 Voltage Regulator Functional Block Diagram of IC 723
A Semiconductor-Based High Voltage Utility Power Supply