[time-nuts] E1938A

Steve Rooke sar10538 at gmail.com
Fri May 1 02:06:52 UTC 2009


Hi Magnus,

Sorry, I misunderstood your post.

Cheers,
Steve

2009/5/1 Magnus Danielson <magnus at rubidium.dyndns.org>

> Dear Steve,
>
> Steve Rooke skrev:
>
>> Hi Magnus,
>>
>> I don't know if I get you right here but I have a copy of the 10811A/B
>> operation and service manual if you need it. The two files I have are
>> similar, one is 3.1Mb and the other is 8Mb. I can send them to you if that
>> would be helpful.
>>
>
> I have an original HP 10811A/B operations and service manual and also have
> scanned versions lying around. Many thanks for the kind offer, but I already
> have that material. I was wondering if they ever produced the equivalent for
> the E1938A oscillator.
>
> Cheers,
> Magnus
>
>
>  Cheers,
>> Steve
>>
>> 2009/5/1 Magnus Danielson <magnus at rubidium.dyndns.org>
>>
>>  Fellow time-nuts (and Rick in particular),
>>>
>>> I have been looking through the E1938A documentation available from
>>> fellow
>>> time-nuts. There is some juicy pieces of information, but also some
>>> holes.
>>>
>>> I does not recall having seing a datasheet or users manual, as available
>>> for the 10811 devices.
>>>
>>> I (think) understand what RX and TX is for, the serial port at CMOS/TTL
>>> levels, as it hookes directly to the PIC. But I wonder what the Data to
>>> PIC,
>>> Data from PIC and PIC data ready is meant to do, looks like a second
>>> serial
>>> port of some sort.
>>>
>>> Also, I found another article on it which is not on Ricks homepage where
>>> various design decisions etc on production is described. I have not
>>> bothered
>>> to download it from IEEE, but if Rick could make it available that would
>>> be
>>> a welcome and interesting reading.
>>>
>>> Cheers,
>>> Magnus
>>>
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>>
>>
>>
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-- 
Steve Rooke - ZL3TUV & G8KVD & JAKDTTNW
A man with one clock knows what time it is;
A man with two clocks is never quite sure.


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