Ta7642 Schaltplan. 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. 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. For details please check the blog pos. The ta7642 is suitable for low voltage portable radio cassette system and other wireless am system.
This is a demonstration of a simple radio built with ta7642 am amplifier and detector chip and lm386 audio amplifier.
The values of the components are based on the official documentation however other values such as rp and cp are mine based on practical experimentation. For the ferrite rod coil i am using the same one as that shown in the 8 band crystal radio project. The package of utc7642 is to 92. This construction uses the ta7642 radio ic and the amplifier ic is lm386.
