4 ms·
So true. One of the first things I did was build a direct conversion receiver with decent audio filtering. It had 45 mostly discrete components and sounded as g
by setquk 8y ago
So true. One of the first things I did was build a direct conversion receiver with decent audio filtering. It had 45 mostly discrete components and sounded as good as a top end Yaesu. Similar to this one: https://aa7ee.wordpress.com/2012/07/27/using-the-nm0s-hi-per-mite-filter-from-4sqrp-to-make-a-simple-40m-dc-cw-rx/ https://aa7ee.wordpress.com/2012/07/27/using-the-nm0s-hi-per...