[time-nuts] R&S XSRM Rubidium

[Bob Camp]

Hi

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 .... 

Bob

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.
> Regards
> Paul
> WB8TSL
> 
> 
> On Wed, Jan 12, 2011 at 3:09 PM, Bruce Griffiths <bruce.griffiths at xtra.co.nz
>> wrote:
> 
>> 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
>>> control.
>>> 
>>> Cheers,
>>> Magnus
>>> 
>>> Just wire a dimmer in series with the heater element.
>> 
>> Bruce
>> 
>> 
>> 
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