[time-nuts] Neat toys on eBay for PN measurement

Mark Kahrs mark.kahrs at gmail.com
Wed Jul 4 13:03:49 UTC 2007


Hey, why not buy a 11848A (160117841068) from the same seller?  Only 2.6K$!
Put that in your PN system...

On 7/4/07, Richard (Rick) Karlquist <richard at karlquist.com> wrote:
>
> ); SAEximRunCond expanded to false
> Errors-To: time-nuts-bounces+mark.kahrs=
> gmail.com+mark.kahrs=gmail.com at febo.com
>
> > Basically this is a general-purpose microwave downconverter whose LO
> uses
> > harmonics of the 640-MHz reference output from an 8662A/8663A to
> > downconvert
> > the signal to be measured to a frequency below 1280 MHz, where it is
> then
> > mixed down to a baseband IF with the same 8662A's output.  An 8662A is
> not
> > mandatory, but it's convenient because it can provide both LOs at once.
>
> Not only is an 8662A mandatory, but it must have the optional 640 MHz
> output
> AFAIK.
> How do you propose to operate an 11729 without an 8662?  It's not like you
> can
> feed any old 640 MHz reference into it.
>
> Rick Karlquist N6RK
>
>
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