[Elecraft] re: Improvements for the KX1

[Joseph Trombino Jr]

----- Original Message ----- 
From: "Ian Stirling" <g4icv at arrl.net>
To: <elecraft at mailman.qth.net>
Sent: Saturday, May 05, 2007 10:13 PM
Subject: Re: [Elecraft] re: Improvements for the KX1


> On Saturday 05 May 2007 20:44:39 Joseph Trombino Jr wrote:
>> I'd really like to see another xtal or two added to the KX1 I.F. 
>> filter....3
>> poles just doesn't get it...the 4 pole filter in the K1 and 5 pole filter 
>> in
>> the K2 are noticeably better than the 3 pole filter in the KX1.
>
>  The K2 has seven crystals in the IF filter.
> There are five before the IF amplifier and
> two more before the product detector.
>
> Ian, G4ICV, AB2GR, K2 #4962

Correct Ian....I didn't count the last two xtals since I believe these two 
xtals are used more for removing I.F. noise than for providing 
selectivity....at least this is what has been mentioned in other receiver 
articles I have read.

                                        73, Joe W2KJ