Agilent has a mechanical attenuator option, so perhaps that is the reason.
Thomas Knox > Date: Tue, 19 Nov 2013 17:13:56 +0000 > From: [email protected] > To: [email protected] > Subject: Re: [time-nuts] Advice on getting a used Agilent E4432B RF-Generator > > On 19 November 2013 16:53, cfo <[email protected]> wrote: > > On Tue, 19 Nov 2013 09:35:00 -0700, Tom Knox wrote: > > > >> Amazing price, is there a gun involved? > >> > >> Thomas Knox > > > > No gun , but some previous buys from same seller. > > And no options installed in the unit. > > > > I have just been told that the attenuator is made up of some PIN-Diodes , > > and is virtually immune to wear. > > > > So i have decided to get the unit. > > > > CFO > > If it is made up from PIN diodes, I wonder what the logic of Agilent > letting you read the number of times they have switched? > > The sig gen I have, which I mentioned on the HP forum earlier, but was > not sure of the number, is an HP 8665A. I paid about £700 (GBP) for > that about a year ago, and being a late firmware version, goes to 4.5 > GHz, although its performance is only specified to 4.2 GHz. BUT I do > have an attenuator issue on that!!! They are clearly mechanical and > some changes of output level do not occur correctly. > > > > Dave > _______________________________________________ > time-nuts mailing list -- [email protected] > To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts > and follow the instructions there. _______________________________________________ time-nuts mailing list -- [email protected] To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there.
