[R-390] HP 8640B Question

[Michael OBrien]

How does the Fluke 6060A/AN compare to the HP 8656B I have one (calibrated 2008) and 2 8640B's One of them was bought off ebay from a guy who does a lot of work on them Now I am a little nervice about them
Mike

--- On Fri, 2/19/10, Robert Nickels <ranickel at comcast.net> wrote:

> From: Robert Nickels <ranickel at comcast.net>
> Subject: Re: [R-390] HP 8640B Question
> To: r-390 at mailman.qth.net
> Date: Friday, February 19, 2010, 11:18 AM
> On 2/19/2010 7:14 AM, Jerry K wrote:
> > HP 8656B<snip>  has been the best test
> equipment money I've ever spent.
> >
> >    
> Gotta chime in with Jerry on that!   My
> 8656B came about when analog 
> cellphone factories had to re-tool, and I suspect there are
> many 
> off-lease and available now that everything has gone
> digital.   Simply 
> put, they are fantastic.  I've cross-checked the
> attenuated RF output 
> and find it's dead-on, and there's nothing like being able
> to generate 
> whatever frequency you want at any amplitude up to 1 volt
> with AM or FM 
> modulation in 1% increments and know it's exactly what it's
> supposed to 
> be - 100khz through 990 mhz.   Another nice
> plus is the protection 
> circuitry on the RF output, which works very well (don't
> ask how I know 
> this!)
> 
> Manual
> 
> Some have knocked the purity of the output but I've never
> found it to be 
> an issue for what I  use an RF generator
> for.   And the 8640 it replaced 
> also was properly recycled - I swapped it for another
> R-390A ;-)
> 
> 73, Bob W9RAN
> ______________________________________________________________
> R-390 mailing list
> Home: http://mailman.qth.net/mailman/listinfo/r-390
> Help: http://mailman.qth.net/mmfaq.htm
> Post: mailto:R-390 at mailman.qth.net
> 
> This list hosted by: http://www.qsl.net
> Please help support this email list: http://www.qsl.net/donate.html
>