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Date: Mon, 9 Apr 2018 16:15:35 +0100
From: Chris Wilson <dead.fets@gmail.com>
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To: N1BUG <rsgb_lf_group@blacksheep.org>
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Content preview: Hello Paul, typo in my last reply, the Teflon co-ax to the
LPF is about twelve inches long!! Sorry. As Jay says, it's not the ringing
per se, but if the ringing peak goes over the fairly low headroom of the
FET's..... That's why I am particular about viewing it in real time with a
USB scope on the network. Antenna or other issues can see it rise pretty
damned high, then, POP! :) If they had more headroom I'd be less concerned
like Alan! But they are pretty cheap and if there are no issues work great.
[...]
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Subject: Re: LF: W1VD amp help - more waveforms
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Hello Paul, typo in my last reply, the Teflon co-ax to the LPF is
about twelve inches long!! Sorry.
As Jay says, it's not the ringing per se, but if the ringing peak goes
over the fairly low headroom of the FET's..... That's why I am
particular about viewing it in real time with a USB scope on the
network. Antenna or other issues can see it rise pretty damned high,
then, POP! :) If they had more headroom I'd be less concerned like
Alan! But they are pretty cheap and if there are no issues work great.
--
Best regards,
Chris mailto:dead.fets@gmail.com