Quick Overview: The NM0S-designed Hi-Per-Mite is an audio filter for CW reception. The 3dB bandwidth is 200Hz, and it can be configured for ... Reviewing and testing the ozQRP.com MST400 NE602 First IF with 20mhz filter working on 40m
Ne602 Based 40 M Transceiver - Detailed Overview & Context
The NM0S-designed Hi-Per-Mite is an audio filter for CW reception. The 3dB bandwidth is 200Hz, and it can be configured for ... Reviewing and testing the ozQRP.com MST400 NE602 First IF with 20mhz filter working on 40m Tough Video....Focus Focus you stupid camera! This is essentially the circuit shown in Chapter 1 of Experimental Methods in RF Design. I built a version of this 12 years ago but it ...