Ta7642 Schaltplan. This construction uses the ta7642 radio ic and the amplifier ic is lm386. This is a demonstration of a simple radio built with ta7642 am amplifier and detector chip and lm386 audio amplifier.
The package of utc7642 is to 92. Theta7642issuitableforlowvoltageportable radio cassette system and other wireless am system. Here is the circuit that i am using for the lm386 amplifier chip.
The ta7642 is an updated version of the mk484 chip which is an updated version of the zn414 which was popular decades ago.
It replaces the zn414z and the mk414 radio ic. This circuit also uses the lm386 audio amplifier set to a gain of 200. It replaces the zn414z and the mk414 radio ic. Ta7642 circuit here is my circuit diagram for a ta7642 based am radio.
