[Elecraft] K3 FM issues

w8zn at comcast.net w8zn at comcast.net
Wed Feb 25 10:42:25 EST 2009



Would compression really sound OK on FM?? Having the compressor on using a IC706 on FM was horrible for audio. I remember a discussion about this some time ago and a question of if there was really 5 khz deviation. I use my K3 on 6m FM and havn't had any complaints. 



Terry 

  
----- Original Message ----- 
From: "Lyle Johnson" <kk7p at wavecable.com> 
To: "G4ILO Julian" <julian.g4ilo at gmail.com> 
Cc: elecraft at mailman.qth.net 
Sent: Wednesday, February 25, 2009 10:18:49 AM GMT -05:00 US/Canada Eastern 
Subject: Re: [Elecraft] K3 FM issues 

> Compression, though it works with AM in this version of the firmware, still 
> does not work with FM. Is there any reason for this? 

The K3 currently does all transmit compression operations at IF.  To add 
speech compression to FM would require routines at AF. 

73, 
Lyle KK7P 
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