[Elecraft] K3 - Tx power in digi modes

Joe Subich, W4TV lists at subich.com
Tue Jan 20 12:56:04 EST 2009



> About to (finally) try out some RTTY/PSK31 using soundcard 
> AFSK A/DATA A modes. Intuitively was going to run at reduced 
> power being 100% duty cycle but have read in a couple of 
> places (not the manual..) that you can run RTTY at full power 
> (100w).

The K3 will handle 100W for 10 minutes in ... RTTY will be 
fine at full power. 

> Is this right and presumably it applies as well to PSK?

PSK31/62/125 is a "two tone" mode and will show significant 
IMD at power greater than 50 to 60 watts peak (20 to 30 W 
average in "idle").

73, 

   ... Joe, W4TV 
 



> -----Original Message-----
> From: elecraft-bounces at mailman.qth.net 
> [mailto:elecraft-bounces at mailman.qth.net] On Behalf Of GW0ETF
> Sent: Tuesday, January 20, 2009 4:49 AM
> To: elecraft at mailman.qth.net
> Subject: [Elecraft] K3 - Tx power in digi modes
> 
> 
> 
> About to (finally) try out some RTTY/PSK31 using soundcard 
> AFSK A/DATA A modes. Intuitively was going to run at reduced 
> power being 100% duty cycle but have read in a couple of 
> places (not the manual..) that you can run RTTY at full power 
> (100w). Is this right and presumably it applies as well to PSK?
> 
> RYRYRY
> 
> Stewart Rolfe, GW0ETF 
> -- 
> View this message in context: 
> http://n2.nabble.com/K3---Tx-power-in-digi-modes-tp2185735p218
5735.html
Sent from the Elecraft mailing list archive at Nabble.com.

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