[time-nuts] 5087A Output Amp PC Boards

J. Forster jfor at quikus.com
Mon Nov 28 18:30:07 EST 2011


Threadzilla, here we come!!ote off-list.

If it gets done, and people have extra HP boards they'd like to get rid
of, please drop me a note.

-John

==============

> Why not build a board that would physically fit, but use a modern buffer
> op amp?
>
> Pete Lancashire
>> I'm thinking starting from a blank PCB would be a good approach :-)
>>
>> On Mon, Nov 28, 2011 at 3:19 PM, J. Forster <jfor at quikus.com> wrote:
>>> You'd have to reverse engineer those. I doubt the forms & cans are
>>> even
>>> available any more.
>>>
>>> -John
>>>
>>> =================
>>>
>>>
>>>> I found a manual PDF here
>>>>
>>>> http://128.238.9.201/~kurt/manuals/manuals/HP%20Agilent/HP%205087A%20Operating.pdf
>>>>
>>>> the 10 Mhz output is A12 p 8-25 and totally agree, those transformers
>>>> are unique.
>>>>
>>>> desc 4-6
>>>> parts 6-9
>>>> scm's 8-25
>>>>
>>>> -pete
>>>>
>>>> On Mon, Nov 28, 2011 at 2:55 PM, J. Forster <jfor at quikus.com> wrote:
>>>>>> I hope this is not a rehash
>>>>>
>>>>>> Has anyone tooled up and made extra output amps boards ?
>>>>>
>>>>> Not AFAIK,
>>>>>
>>>>>> If not I may see about having some blanks made.
>>>>>
>>>>> As I remember the amps use some special coils/RF transformers. What
>>>>> about
>>>>> getting those? I doubt HP has many, if any, in stock.
>>>>>
>>>>> BTW, I can find no manual on the Agilent site.
>>>>>
>>>>> Best,
>>>>>
>>>>> -John
>>>>>
>>>>> ===============
>>>>>>
>>>>>> -pete
>>>>>>
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>>>>>>
>>>>>
>>>>>
>>>>>
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>>>>
>>>>
>>>
>>>
>>>
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>
>
> --
> "Neither the voice of authority nor the weight of reason and argument
> are as significant as experiment, for thence comes quiet to the mind."
> R. Bacon
> "If you don't know what it is, don't poke it."
> Ghost in the Shell
>
>
> Dr. Don Latham AJ7LL
> Six Mile Systems LLP
> 17850 Six Mile Road
> POB 134
> Huson, MT, 59846
> VOX 406-626-4304
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