[time-nuts] HP-5065a advise and purchase decision
Edgardo Molina
xe1xus at amsat.org
Mon Jul 2 05:04:31 UTC 2012
Dear Chris,
Thanks for the advise. It is always nice to have different opinions
and points of view.
I have heard about the dependability of Efratom products while doing
my research homework. An Rb oscillator like that surely could be a
good bet considering your vision of the plural concept of oscillator.
I agree. As in many of my other scientific/tecnical projects, I
usually do not feel that all of my bases are covered with only one
brand or example of any of the items that I so much enjoy as hobbies.
I will seriously consider your kind advise and look forward meeting
you whenever visiting Rancho Palos Verdes, as I usually do, in the
future.
Kind regards,
Edgardo Molina
XE1XUS
On Jul 1, 2012, at 2:12 PM, Chris Albertson wrote:
> On Sun, Jul 1, 2012 at 8:39 AM, Edgardo Molina <xe1xus at amsat.org>
> wrote:
>
>> Dear Chris,
>>
>> One of my needs: A dependable Rb source. HP appeals to me as most
>> of my
>> electronics lab equipment comes from that house. I have seen
>> numerous other
>> Rb sources here and there but would like to afford an HP unit. I
>> know I can
>> go to the party driving either a 60's VW beattle or driving a 60's
>> Ford
>> Mustang. Both of them can get me there. Still personally, I rather
>> drive
>> the V8 beast. The robustness, mechanics, physics package
>> characteristics
>> and form factor, homogeneous with my HP quartz frequency standards
>> and
>> frequency counters is what catches my eye when looking at that
>> model. Let's
>> say 50% looks and desire and 50% for what it is. It will be used in
>> my time
>> and frequency lab. Hobby use, a learning tool, an object of desire...
>>
>>
> OK that is a reasonable use, you just want one. But the Rb units
> on
> eBay are much more resent manufacture, better secs and well under
> $100.
> But no "HP" name plate and you must apply the DC power. They score
> near
> zero in "looks" as they are just the bare oscillator.
>
>
> Look at this eBay number: 300719752578 It is a very good unit from a
> seller many people know. The specs are very good.
>
> I bought one like this back when the price was $39 shipped.
> 300606871861
> Mine is preforming very well. It provides a reference for a a few HP
> Universal Counters.
>
> But really if you are setting up a lab at home the first thing you
> should
> buy is the Thunderbolt and a good antenna. You will need one to
> calibrate
> your Rubidium oscillators. (yes "oscillators" with a pleural "s".
> how
> else to cross check them if you have only one?)
>
>
>
> Chris Albertson
> Redondo Beach, California
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