[time-nuts] M100 hookup information

Chuck Harris cfharris at erols.com
Sat Aug 20 14:01:40 EDT 2005

The lamps in Rb standards might not work quite like you expect.  They are
leadless glass bulbs with some Rb gas inside, and are RF excited, by a coil
that wraps around their outside.


Brian Kirby wrote:
> On my FRK-L I have a LAMP monitor , its at 7.5 volts and a XTAL voltage 
> and its at 7 volts.
> The lamp voltage will stay about the same, but it will slowly change 
> over its life, a big change signals the lamp is open. 

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