[time-nuts] Questions about HP 5370B
Magnus Danielson
magnus at rubidium.dyndns.org
Tue Sep 14 18:39:59 UTC 2010
On 09/14/2010 07:59 PM, paul swed wrote:
> Maybe early ones but I believe Bs were shipped with the gate osc and the
> 10811s were opt.
Which makes sense if you consider that for many lab/production uses you
hook it up to a distributed 10 MHz and why pay for a 10811 you never
use? The gate oscillator is sufficient for checking that the counter is
functional, but it is muxed out when external ref is available.
Cheers,
Magnus
> On Tue, Sep 14, 2010 at 12:57 PM, Greg Burnett<gbusg at comcast.net> wrote:
>
>> Charles, all HP 5370Bs were shipped with 5E-10/day OCXOs. So you should
>> hopefully find a 10811 in there, or possibly a 10544.
>>
>> Greg
>>
>> ----- Original Message -----
>> From: "Charles P. Steinmetz"<charles_steinmetz at lavabit.com>
>> To: "Discussion of precise time and frequency measurement"
>> <time-nuts at febo.com>
>> Sent: Tuesday, September 14, 2010 10:25 AM
>> Subject: Re: [time-nuts] Questions about HP 5370B
>>
>>
>> Thank you everyone for your comments.
>>
>> Bruce wrote:
>>
>>> Open the lid and check that it actually has a 10811A rather than a
>>> simple gate oscillator.
>>
>> We have so far refrained from opening it to preserve the right of
>> return. Did HP ship 5370Bs with lesser oscillators than the
>> 10811? I had assumed that if there is not a 10811 it's because
>> someone subsequently swapped it out.
>>
>> Thanks,
>>
>> Charles
>>
>>
>>
>>
>>
>>
>>
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