On Fri, Jul 23, 2021 at 07:42 AM, Reginald Beardsley wrote:
With a 3rd order low pass Cauer filter on the low port output the spectrum is clean with no spurs above -55 dBc. That's quite good. Certainly adequate for hobby HF design work.
Reg,
? -30dBc was the minimum specification for a lot of the commercial testing that I performed, so -55dBc sounds outstanding to me.
Herb
