UK Vintage Radio Repair and Restoration Discussion Forum - View Single Post

samoca58 · 14th Nov 2018, 3:41 pm

Although I have not scoped it the data sheet for a TA7642 indicates the audio output at only about 20mV. With this connected to a lm386 I had to configure the lm386 for maximum gain.

14th Nov 2018, 3:41 pm	#35
samoca58 Triode Join Date: Sep 2014 Location: Ringwood, Hampshire, UK. Posts: 29	Re: ZN414 and TA7642 radios Although I have not scoped it the data sheet for a TA7642 indicates the audio output at only about 20mV. With this connected to a lm386 I had to configure the lm386 for maximum gain.