LM3900 Amplifier (CB25165E)

This circuit with Norton operation is from an article in Radio Electronics magazine. The gain is given by the resistors.

Voltage Controlled Oscillator (CB12016E)
This VCO or Voltage Controlled Oscillator uses common components. TR1 can be a BF245 and TR2 a...
Overload protector (CB8362E)
This circuit was found in a 1967 RCA publication. The circuit uses components from that time, and...
4 LED Mini Roulette (CB16291E)
Here is a very simple and economical electronic game. Using only one integrated circuit and one...