[Elecraft] XG3 Signal Generator

[Bill Mellema]

 Bill,
I've had my XG3 for a few years now and have never regretted buying it. Before I retired m business was in communications electronics. I worked for years with IFR which then became Aeroflex, out of Whichita. I had a Aeroflex 3920 communications analzer (which is still a high end piece of gear) at my office. I measured the XG3's output and frequency error and it was dead on with the Aeroflex 3920. I have used mine to calibrate receivers both new and vintage without a problem. Most of the use has been in the 2 -30 Mhz range, however I have used it on our VHF repeater to make quick receiver test. I have a few 50 ohm inline attenuators,3db, 6db, 10db I keep on hand. I also use a good quality step attenuator that allows the XG3 output to be attenuated as low as practical. I don't have the exact difference between the Aeroflex 3920 and XG3, but I can tell you it isn't worth the worry, the XG3 is that good.
Hope this helps...
Best 73's
Bill N3WM

    On Tuesday, March 24, 2020, 3:22:13 PM EDT, Bill Smith via Elecraft <elecraft at mailman.qth.net> wrote:  
 
 Looking at buying the XG3 signal generator to calibrate S meters.  Particularly thought it would be very useful to calibrate the S meter in the HDSDR SDR software I use now.  I read the S meter calibration instructions in the manual and was happy to see how simple it is.  If I had tried to use my old Tektronix signal generator I would of had to buy an RF Power meter to measure the amplitude and a Step Attenuator to adjust for -73db/50uv.
Anyone else done this?
73,Bill KO4NR
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