This equalizer has automatic level control, being designed by Sanyo for cassette recorders and radio. The maximum supply voltage of the LA3210 is 15 V and the typical idle current of 1.4mA.
The circuit presented was found in a Motorola documentation from 19761, but it can be assembled with a...
This simple bargraph photometer appeared in the November 1987 issue of Radio Electronics magazine. The...
This circuit, found in a 1964 US documentation, consists of a selective amplifier that lets only...