[TenTec] Scout DC Supply Voltage sensitivity

[wb2vuf at gti.net]

My Scout came from the factory with a low dropout regulator. I think
that it is  a 2940 chip which drops out at 11 V. Is there a 10 V
regulator with a lower dropout than that? 

			73,

			Bob WB2VUF
 
Stuart Rohre wrote:
> 
> Carl and the group,
> When the Scout was designed, there were 3 terminal regulators that required
> a larger differential of voltage to regulate stability, than the low drop
> out regulators that came later.  I have proposed to some Scout owners who
> wish to use 12 V batteries to take a look and consider substituting low drop
> out regulators that could track down to lower voltage.  Of course, the lower
> main voltage will cause the current consumption to rise, and heat removal
> must be adequate or you stress high current stages.   Never had time to go
> completely thru the schematic, to see if this was feasible.  Any stages
> operating at 13.8 volts should be able to go down to 12, but how much more
> is a question.
> 73, Stuart K5KVH
> 
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