[time-nuts] R&S XSRM Rubidium
lists at rtty.us
Fri Jan 21 12:38:24 UTC 2011
I would not do anything that's not reversible. You may well come across a FRS-C that's got a good lamp and dead electronics.
Of course given what telco Rb's cost these days ....
On Jan 20, 2011, at 10:47 PM, paul swed wrote:
> Well I think bad news.
> I have a frs c apart. Unfortunately the rb lamp doesn't even light at all. I
> have been getting RF at about 80.5 Mhz though at the moment I am not. I do
> not see any residue on the bulb.
> On one of the websites I did see that the lamp should run outside of the
> oven. Granted not correctly but should ignite. I guess my low lamp V was
> really saying no lamp. So my fear is this really is not recoverable.
> I plan to dig into the oscillator tomorrow to see whats up.
> On Wed, Jan 12, 2011 at 3:09 PM, Bruce Griffiths <bruce.griffiths at xtra.co.nz
>> Magnus Danielson wrote:
>>> On 12/01/11 18:41, paul swed wrote:
>>>> Did you use a large heat gun or the smaller ones for heat shrink.
>>>> I might guess the smaller one
>>> I have a smaller one so that was what I used and it was more than
>>> sufficient. I will get a large one too, but with some propper effect
>>> Just wire a dimmer in series with the heater element.
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