[time-nuts] HP8640

Scott McGrath scmcgrath at gmail.com
Wed Jun 7 15:19:21 EDT 2017


Ulrich

I have an operational 8640 

Content by Scott
Typos by Siri

> On Jun 7, 2017, at 11:35 AM, Dave Daniel <kc0wjn at gmail.com> wrote:
> 
> There is, or was, a member of the Yahoo hp_agilent forum who was making metal replacement gears for the HP8640. I believe several members replaced the plastic gears with the new metal ones and were able to bring their instruments back to life.
> 
> DaveD
> 
>> On 6/7/2017 8:56 AM, Bert Kehren via time-nuts wrote:
>> I think it will be difficult to find a well working 8640, plastic gears
>> will have by now totally disintegrated. What part of it do you need, I may
>> have  something left.
>> Bert Kehren
>>    In a message dated 6/6/2017 9:06:05 P.M. Eastern Daylight Time,
>> time-nuts at febo.com writes:
>> 
>> Hi , I  am trying to find an well working  HP 8640 to do some  measurements
>>  like SSB  FM and AM noise.
>> 
>> Who can help ?  73 de Ulrich  N1UL
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