This circuit was found in a Popular Electronics from the 90's. The transistors are general-purpose types and the loaded load depends on the voltage and must have a maximum current of 100 mA.
This circuit is from a 90s Popular Electronics. The integrated circuit is from that time. The...
The resistors R1 and R2 consist of 8 220 ohms x 2 W resistors connected in parallel. The...
Based on components from Linear Technology, we find this circuit in a 2005 manual. The circuit...