This circuit with automatic gain control was found in the July 1988 issue of Radio Electronics magazine. The circuit is based on a transconductance operational amplifier.
This circuit performs the multiplication of voltages without considering its signal. The circuit is...
This digital to analog converter circuit was found in the March 1980 Radio Electronics magazine. The...
This simple injector and signal follower employs a high impedance headset. Transistors can be of...