[time-nuts] Synthesized Signal Generator query

[Tom Knox]

Hi Don;
Much more expensive, but in a class by itself is the Rohde SMA100A option B22.
Enjoy;

Tom Knox

303-554-0307

actast at hotmail.com

"Peace is not the absence of violence, but the presence of Justice" Both MLK and Albert Einstein

________________________________
From: time-nuts <time-nuts-bounces at lists.febo.com> on behalf of Don at True-Cal <truecalservices at gmail.com>
Sent: Thursday, March 7, 2019 8:32 AM
To: 'Discussion of precise time and frequency measurement'
Subject: Re: [time-nuts] Synthesized Signal Generator query

Leo,
Thanks for the IFR/Aeroflex/Marconi 2401 suggestion, I looked at the data
sheet and it might be a good alternative to watch for. I REALLY like the
"closed box" calibration feature. I was suspicious of the E44xx series but
never used or tested one, I had some hope that like other HP/Agilent
instruments, they might be a lot better than what's on the spec sheet.
Thanks, Don

-----Original Message-----
From: time-nuts <time-nuts-bounces at lists.febo.com> On Behalf Of Leo Bodnar
Sent: Wednesday, March 06, 2019 1:34 PM
To: time-nuts at lists.febo.com
Subject: Re: [time-nuts] Synthesized Signal Generator query

E44xx-AP/DP are a bit rubbish in PN department.  I have tested a few units
at 1GHz and the results were within 1-2dB from the datasheet, so have a look
there.  Don't even bother with -A/D models.
If you are looking for HP 8664A/8644B class performance, have a look at
IFR/Aeroflex/Marconi 2041 and 2042.  Yes, they sometimes can be had for
$1000.
Leo

> From: "Don at True-Cal" <truecalservices at gmail.com> I have my sights on
> an HP 8664A with Opt. 004 Low Phase Noise and want to keep the
> purchase around $1000...
> Can anyone give me advise on any similar low phase noise source that
> is not so big and heavy. I like the looks and size of the E44xx series
> but do they come even close to the signal purity of the 8664A.

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