Title: Step up 3 dB Post by: WA4WAX on December 30, 2018, 03:04:53 PM Here is another one using a single 6BL7. Cheap and simple. AMfone - Dedicated to Amplitude Modulation on the Amateur Radio Bands
Again, you could mod it. http://www.electronicsandbooks.com/eab3/manual/Magazine/Q/QST%20US/195304%20[156].pdf |