Hi...
The following request for information is not specific to the K3 (or
even to Elecraft). Please craft your response to be generic.
Despite being an active ham/contester for over 40 continuous years
(but not being an ee), I just do not understand how a "preamp" works.
It is not a "smart" devi
Hi Ron,
This was an -excellent- layman's language explanation
about the functioning of front ends and pre-amps. Tell
the boss you need an "atta-boy" and a raise!
Merry Christmas!
Ken Kopp - K0PP
elecraftcov...@rfwave.net
___
Elecraft mailing list
craft-boun...@mailman.qth.net] On Behalf Of DOUGLAS ZWIEBEL
Sent: Monday, December 15, 2008 11:15 AM
To: Elecraft Reflector
Subject: [Elecraft] K3 sensitivity + preamp: looking for wisdom
Hi...
The following request for information is not specific to the K3 (or even
to Elecraft). Please craft your resp
sometimes, harmful at others.
I hope this helps.
Willis 'Cookie' Cooke
K5EWJ
--- On Mon, 12/15/08, DOUGLAS ZWIEBEL wrote:
> From: DOUGLAS ZWIEBEL
> Subject: [Elecraft] K3 sensitivity + preamp: looking for wisdom
> To: "Elecraft Reflector"
> Date: Monday, D
DOUGLAS ZWIEBEL wrote:
>
> Hi...
>
> The following request for information is not specific to the K3 (or
> even to Elecraft). Please craft your response to be generic.
>
> Despite being an active ham/contester for over 40 continuous years
> (but not being an ee), I just do not understand how
Keith is quite right.
All receivers generate internal noise in their amplifiers. The goal is to
make sure this internal noise does not compete with the received signal so
the only thing that limits the ability to hear weak signals is the
unavoidable atmospheric or "antenna noise".
Of course, the
7:15
To: Elecraft Reflector
Subject: [Elecraft] K3 sensitivity + preamp: looking for wisdom
Hi...
The following request for information is not specific to the K3 (or
even to Elecraft). Please craft your response to be generic.
Despite being an active ham/contester for over 40 continuous years
(
DOUGLAS ZWIEBEL'" ; "'Elecraft Reflector'"
Sent: Monday, December 15, 2008 11:14 AM
Subject: RE: [Elecraft] K3 sensitivity + preamp: looking for wisdom
Keith is quite right.
All receivers generate internal noise in their amplifiers. The goal is to
make sure this int
8 matches
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