In view of this, and excuse me for not being an engineer in receiver design,
why is there not a roofing filter option for the K2. Is it just not
possible in
a single conversion rig?
de Joe, aa4nn
The close in *LOUD*
Joe,
To generalize - 'roofing filter' would be placed right after the first mixer
for best effectiveness to strip off extraneous mixing products.
The K2 is a single conversion design and the IF filter is placed right after
the first mixer (there is a post-mixer amp there for good dynamic range)
@mailman.qth.net
Subject: RE: [Elecraft] K2 Roofing Filter?
Joe,
To generalize - 'roofing filter' would be placed right after the first mixer
for best effectiveness to strip off extraneous mixing products.
The K2 is a single conversion design and the IF filter is placed right after
the first mixer
: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf Of N2TK, Tony
Sent: Wednesday, November 08, 2006 10:32 AM
To: [EMAIL PROTECTED]; elecraft@mailman.qth.net
Subject: RE: [Elecraft] K2 Roofing Filter?
Don,
Wasn't there talk a while back about someone replacing the Noise Blanker
with another crystal
, 2006 10:32 AM
To: [EMAIL PROTECTED]; elecraft@mailman.qth.net
Subject: RE: [Elecraft] K2 Roofing Filter?
Don,
Wasn't there talk a while back about someone replacing the Noise Blanker
with another crystal filter? If it was switchable, like switching in and
out the Noise Blanker, would that add
The Feb 05 QST has review of InRad roofing filter for FT-1000MP series. The
article states, the Ten-Tec Orion and Elecraft K2 are ham band only designs
and thus have their first IF and roofing filters in the HF region. The
article describes how Icom 7800 has roofing filters at 15 and 6 kHz and
Tom, K6CT, wrote:
The Feb 05 QST has review of InRad roofing filter for FT-1000MP series. The
article states, the Ten-Tec Orion and Elecraft K2 are ham band only designs
and thus have their first IF and roofing filters in the HF region. The
article describes how Icom 7800 has roofing filters at
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