Has anyone made a thorough comparison of the MFJ-259B with the AEA and Autek
Impedance Analyzer's? The AEA seems a little sexier with the LCD graph display
and
computer interface, but I am wondering which unit produces the most accurate
impedance measurements?
Thanks,
Mike, W4EF................
----- Original Message -----
From: <W8AV@aol.com>
To: <amps@contesting.com>
Sent: Wednesday, October 11, 2000 3:07 AM
Subject: Re: [AMPS] MFJ-259B Question
>
> In a message dated 10/10/00 11:22:02 AM GMT Daylight Time, k7fm@teleport.com
> writes:
>
> << Probably the greatest accuracy is when the load is 50 ohm +j0. As you
> depart from that, you will see more and more error. If the purpose is to
> end up with 50 + j0, then it does not matter. but, if you are measuring
> something which is 336 +123, you may not even be close. I have a large old
> GR bridge for that purpose. >>
>
> Even the $5k+ Delta OIB-1 and OIB-3 operating impedance bridges tend to pull
> a bit when the reactances start to get really high. I also use a GR-1606A
> for critical impedance measurements. The other nice thing about the MFJ is
> that I can use it as a signal source to excite the GR bridge when making the
> critical measurements. But for getting in the ballpark, the MFJ works fine.
>
> 73........de Goose W8AV
>
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