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.
This circuit was found in the Optoelctronics Sourcebook from Texas Instruments. The circuit has a...
We found this circuit with duty cycle adjustment in the May 1988 Radio Electronics magazine. The...
This 2.5 A power supply was found in a 90's QST magazine. The power transistor must be mounted on a...