[Lowfer] Temp control...

[Bill Ashlock]

Kurt,

>what about a
>low voltage regulated bulb attached directly to the crystal, adjusted for
>reasonable temperature, for example, 2.1V could equal around 70�.  Run from
>12V the regulator would keep proper temp even through voltage drops and
>increases during battery charge cycle.  The TX will also be in about 3"
>closed cell foam which will add some stablility.

Not a bad approach because the xtal temp would be relatively uneffected by 
outside temp. Suggest a resistor instead of the bulb because the resistance, 
hense the heat output, of the bulb is a variable.

Bill A

_________________________________________________________________
Share your photos without swamping your Inbox.  Get Hotmail Extra Storage 
today! http://join.msn.com/?PAGE=features/es