Ta7642 Schaltplan. It replaces the zn414z and the mk414 radio ic. Theta7642issuitableforlowvoltageportable radio cassette system and other wireless am system.
R2 and c4 form a zobel network and are most definitely required to provide stability to the output. Here is the circuit that i am using for the lm386 amplifier chip. Theta7642issuitableforlowvoltageportable radio cassette system and other wireless am system.
This ic has many equivalents such as cd7642 utc7642 and lmf501.
For details please check the blog pos. Both the mk484 and zn414 are harder to find now but the ta7642 can be had relatively easy on ebay and other places on the net. There is one store i ve found that sells the mk484 but i haven t ordered from it personally. The ta7642 is an am radio ic in a to92 package which requires very few external components to make a complete pocket radio.
