On Fri, 27 Oct 2000 07:32:57 +0100 "Ian White, G3SEK" <G3SEK@ifwtech.com>
writes:
Hi Ian,
>The problem with the white noise test is that, like the two-tone test,
>it does not test the effect of variations at the word or syllable rate.
>If the only test is at high frequencies, the capacitors in the HV and
>bias supplies will maintain constant voltages - but if tested with real
>speech, the voltages swing all over the place.
>
It may or may not be standard practice but, in my own work, I try to
get the power supply(s) working correctly before doing any RF testing.
:-)
73,
Marv WC6W
*
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