[Elecraft] K3 filter gain

Dick Dievendorff dieven at comcast.net
Wed Jan 6 17:17:19 EST 2010


My K3 S/N 00018 filter settings are those shown in the K3 Utility Help
screen shots for the Crystal Filter configuration.

There's a table in the K3 Utility page help text that describes the
recommended ranges of gain settings. This table is derived from the owner's
manual recommendation. At one time I had higher settings in an attempt to
keep a centered signal at the same volume as the bandwidth decreased, but
Wayne helped me to understand that this wasn't a good idea.

The owners' manual recommends 1-2 dB for 400-500 Hz filters, 3-4 dB for
200-250 Hz filters, and 0 dB for filters wider than 500 Hz.
 
Dick, K6KR


-----Original Message-----
From: elecraft-bounces at mailman.qth.net
[mailto:elecraft-bounces at mailman.qth.net] On Behalf Of Keith
Sent: Wednesday, January 06, 2010 11:53 AM
To: elecraft at mailman.qth.net
Subject: [Elecraft] K3 filter gain

A filter question for the group if I may. I have the following filters in my
K3:
2.8/8 pole - 1.8/8 pole - .400/8 pole. My question is how much gain did you 
add in the K3 utility for your filters and how did you determine the
necessary gain?
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