[Elecraft] Re: K3 receiver sensitivity on 50MHz

wayne burdick n6kr at elecraft.com
Tue Nov 6 17:50:18 EST 2007


Ian White GM3SEK wrote:

> Should Elecraft supply a 6m preamp as an option for the K3? Yes, I 
> think you should, because third-party preamps are notorious for having 
> far too much gain. To preserve the K3's reputation for high dynamic 
> range on *all* bands, it would be best to keep the gain/NF tradeoffs 
> for 6m under factory control. Obviously this option is not a high 
> priority; but it certainly would be worthwhile.

Thanks for the suggestions, Ian. We'll look into this.

I should mention that the operator would be able to turn the K3's 
regular preamp off when using the external preamp, if desired (and/or 
turn on the attenuator). Thus there would be a full range of possible 
NF/dynamic range tradeoffs under convenient operator control. (The 
on/off state of both the attenuator and regular preamp are stored 
per-RX ANT switch state.)

73,
Wayne
N6KR


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