[time-nuts] HP Stories: An architectural view of the HP 5060/5061 and awkward oscillator adjustments.

[Alex Pummer]

I do not know, if the brake down voltage decreases if the electrolyte 
capacitor is used well bellow the original rated voltage, but I know 
from experience, that if you cautiously and slowly increase the voltage 
across the capacitor it will work at higher than the rated voltage, but 
with reduced capacitance.

Alex

On 2/24/2019 7:08 PM, Dana Whitlow wrote:
> I remember often reading that if you run a 'lyt at a voltage much reduced
> from its rating,
> the oxide layer would get thinner over time so that in the end, the
> effective rating of the
> capacitor was about what you had been running it at.  This would seem to
> imply that
> purposely overrating a 'lyt is pretty pointless.
>
> Any comments on this notion?
>
> Dana
>
>
> On Sun, Feb 24, 2019 at 7:01 PM Gerhard Hoffmann <dk4xp at arcor.de> wrote:
>
>> Am 24.02.19 um 14:39 schrieb Richard (Rick) Karlquist:
>>> yet they got a pass and became SOP.  The R&D lab manager
>>> at Santa Clara Division famously said "no customer chooses
>>> HP products because they have great power supplies."
>>>
>> Grrrrrrrr..  My HP16500C has a defective PS and my 4274A RLC bridge
>>
>> had a major explosion inside. OMG, WHAT A MESS! All that black magic smoke!
>>
>> I re-caped the bridge, it took me a day on the DIgikey site to find
>> replacements.
>>
>> I had to use substantially larger voltages to make them fit mechanically.
>>
>> But that is a good thing.
>>
>> cheers, Gerhard
>>
>>
>>
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