This VCA was found in the July 1988 issue of Radio Electronics magazine. It uses an OTA op amp and has its gain adjusted by the voltage at the gain input.
The circuit shown in figure 1 serves to control a servo motor with a current of up to 200 mA. The...
July 2017 - Mouser Electronics is announcing the stock availability of Taiwan Semiconductor...
This circuit was found in the February 1995 issue of Electronics Now magazine. It can double the...