[Elecraft] Sherwood receiver test on KX3

[Matthew Zilmer]

The 8 KHz IF mode is called DUAL WATCH or DUAL RX.  I/Q are "baseband" outputs.

Matt Zilmer
Consultant - Product Management Dept.
Magellan Navigation / MiTAC Digital Corp.
Tel: (909) 394-6052
Cell: (909) 730-6552
Si fractum non sit, noli id reficere

-----Original Message-----
From: elecraft-bounces at mailman.qth.net [mailto:elecraft-bounces at mailman.qth.net] On Behalf Of webrehm
Sent: Tuesday, August 14, 2012 1:47 PM
To: elecraft at mailman.qth.net
Subject: [Elecraft] Sherwood receiver test on KX3

The Sherwood test of the KX3 says this in the notes for the superscript V "At 1 kHz performance is opposite sideband rejection limited. On CW consider switching to 8-kHz IF. Note: Roofing filter disabled in this mode."
I do not see anything in the manual about the 8 Khz IF mode.
It is my understanding that when the roofing filter is used, which is a low pass filter, that the IF is 0 Hz.
When the roofing filter is bypassed (FIL1) does this mean that the IF is shifted up to 8 KHz?
What is the IF of the IQ outputs? 
Can someone explain this to me because I am confused.

tks

Dennis




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