[time-nuts] HP 10811 update

[Ed Palmer]

Hi Paul,

Did you see this page that talks about tweaking the 10811 oven controller?

http://www.realhamradio.com/z3801a-turning-point.htm

Ed


On 7/26/2013 10:47 AM, paul swed wrote:
> sounds like time to add a R across the temp set R. That will lower the R
> and raise the temp. Its also easy to actually do.
> Thanks
>
>
> On Fri, Jul 26, 2013 at 12:08 PM, Bob Camp <lists at rtty.us> wrote:
>
>> Hi
>>
>> HP spec'd the crystals to be at a < 1x10^-8 / C slope at the marked
>> temperature on the crystal. The center of the curve should be in the
>> vicinity of 90C.
>>
>> You are ~ -4.5 x 10^-6 low, so that would be > 10 C away from that point
>> going cold and a bit further going hot. Since the oven is at ~80C, it's not
>> to hot…
>>
>> Bob
>>
>>
>>