[Elecraft] Re: [Icom] Opinions re: HF Verticals?

[Don Brown]

Hi

Actually the A to D was that good (.01%) but they only used .05% divider =
resistors so the spec is only as good as the divider, and .05% is only 3 =
1/2 digits. You are right about the nulling or peaking, as well as you co=
uld make relative measurements


Don

----- Original Message -----
From: Mark J. Dulcey
Sent: Tuesday, October 15, 2002 3:23 PM
To: Don Brown
Cc: George, W5YR; kc4kgu@enterzone.net; Elecraft
Subject: Re: [Elecraft] Re: [Icom] Opinions re: HF Verticals?

Don Brown wrote:
> =20
> This reminds me of a DMM made by Tektronix with a display of 4 1/2 digi=
ts but an accuracy spec of 0.1% The last digit is for all practical purpo=
ses useless. In fact one of the technicians placed a little sticker over =
the last digit so he could not see it on the meter at his bench.  =20

The limited accuracy spec doesn't make that last digit entirely useless. =
If you're nulling or peaking something, the extra digit might allow you t=
o do so more precisely; the fact that the absolute value on the display i=
sn't accurate isn't relevant. On the other hand, if the instrument isn't =
monotonic to 4 1/2 digits, then that last digit will do you no good at al=
l - but you didn't say whether that was true or not.


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