On 12/23/2010 04:29 PM, Bob Bownes wrote:
The other is what one can buy on the market that is
better than the HP 5328?
The first step up IMHO is the HP 5335. I have two.
AFAIK it is the first of the series that will do TIC. The TIC
specification is 100 pico-seconds.
For reference the HP 5370A/B TIC spec is 10 pico-seconds.
The 5328 will do TIC. It may not be too good at it or have the resolution of
the 5335/5370's, but it will do it, both a->b and c,a->b.
Indeed. If you have the option 040/041/042 boars you go from 100 ns to
10 ns single-shot solution, and in addition when you do averaging noise
is added to the reference clock such that higher average resolution is
achieved. I would like to have a GPIB-interface for my 5328 so I would
have a lower threshold for doing statistical analysis of the properties.
Compared to the 5328 it has more real estate on the
interior and will take the 110811 type of high stability oscillator. The
one I have that just has the standard
oscillator appears to have the 10811 type crystal in the open but seems
very
stable.
The 5328 will also take a 10881. Plugs right into the motherboard.
You go via a separate board to have a 10811 oscillator. It is not
uncommon for 10811s to be delivered with this board since some figure
they get more by selling the 5328 separate from the 10811. Ah well. I
use that board to drive my lab-bench 10811... need to box it up.
Cheers,
Magnus
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