[time-nuts] HP 5245L counter

[J. Forster]

I bought a brand new 5245 for my lab at work in about 1967. It was really
the cat's meow! I also had the parallel printer.

-John

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

> I have two fully operational HP5245L.  There is something satisfying
> about the glow of Nixie Tubes.  And the kids like to see it counting if
> you take it out of the storage mode.  I also have a complete set of
> spare boards - and they are not available.  One of the units I have is
> H48 spec.  Extra shielding for EMI/RFI testing.
>
> I have the standard 5253B 50-500 Mhz plug in, the 5262A Time Interval
> plug in, a 5257A Transfer Oscillator plug in, a 5265A Digital Voltmeter
> plug in, and a 5254A 300 Mhz to 3 Ghz plug in.  And I look at every
> hamfest for more...
>
> I also put a 5245L manual up at Ken's site :
> http://www.kennethkuhn.com/hpmuseum/   - -
> http://www.kennethkuhn.com/hpmuseum/scans/
>
> paul swed wrote:
>> Hello to the group.
>> For whatever reason I have resurrected a 1967 HP 5245L counter. Indeed I
>> have many newer units.
>> But there is something about that nixie tube glow.
>>
>> Anyhow as good as HP is, I found interesting failures. Infact simply the
>> gold leads on the transistor rusted/rotted off.
>> That was most of the issues. Aside from the fact someone really hacked
>> this
>> beast to death.
>>
>> Its looking pretty good at this point, though I do have several nixies
>> that
>> are troubled.
>> Regards
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>
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