[time-nuts] 5087A Output Amp PC Boards

[Don Latham]

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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>
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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."
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"If you don't know what it is, don't poke it."
Ghost in the Shell


Dr. Don Latham AJ7LL
Six Mile Systems LLP
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