Re: HT-20 LPF performance?
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ARRL's December 2018 review showed 2nd-harmonic suppression as -50 dBc. That number will vary somewhat with component tolerances, but the Hilltopper meets FCC spurious emissions standards.
// I don't have any more information- my spectrum analyzer died several years ago.
73- Dave, K1SWL
On Wed, Apr 10, 2019 at 6:34 AM Curt via Groups.Io <email@example.com> wrote:
I am curious about the performance of the HT-20 LPF. Has anyone measured harmonic suppression numbers?