Fwd: Re: [CQ-Contest] Computer interface for TS940S

Bill Turner W7TI w7ti at jps.net
Thu Jun 7 14:00:49 EDT 2001

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On Thu, 07 Jun 2001 10:01:07 -0500, Jim Rhodes wrote:

 >Personally I could
 >never understand why the rig manufacturers didn't just put an RS232 port
 >on the back of the rigs like the newer Kenwoods.


I always suspected the reason they didn't was partly because RS-232 needs a 
supply, which means a little more work.  Nowdays, using a charge pump IC or
equivalent it's pretty cheap and easy, but some years ago it would have 
a chopper, transformer, filters, regulator, etc, etc.

Just a guess.

Bill, W7TI

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