[Elecraft] Recent K2 Mods

Fri Nov 15 08:42:00 2002

Thanks Don - I'm pretty sure that I just did the 2nd Xtal filter mod myself
some time ago.

Jamie
WB4YDL

-----Original Message-----
From: [email protected]
[mailto:[email protected]]On Behalf Of Don Brown
Sent: Thursday, November 14, 2002 10:11 PM
To: Elecraft
Subject: Re: [Elecraft] Recent K2 Mods

Hi

I think you have the 10/12 meter bandpass and ALC mod confused with the 2nd
xtal filter mod. The KPA100 comes with the former. There are several more
mods in addition to the ones you have installed and the PLL/BFO required to
bring your K2 up to "B" status. The kit and instruction will be available
soon. I have a "B" schematic and I count at least 19 mods total to bring a
Rev A to a Rev B.

1  PLL
2  BFO
3  D10
4  ALC
5  10/12 meter
6  RFC15
7  RFC11
8  add C28,29
9  change value C30,36
10 add C224
11 change value C225,226,227,L25,L26
12 audio pot mod
13 sine wave side tone
14 AGC threshold
15 voltmeter switch
16 added filtering on voltage sense
17 D19,20 and C71 for future 60 meter option
18 change R60 to fixed 100 ohm resistor
19 new crystals for CW and SSB
20 ??

Don Brown
KD5NDB

----- Original Message -----
From: "James C. Hall, M.D." <[email protected]>
To: <[email protected]>
Sent: Thursday, November 14, 2002 3:02 PM
Subject: [Elecraft] Recent K2 Mods

> I've been following the recent threads on available K2 mods - if memory
> serves, I thought the parts for the 2nd filter SSB mod was included with
the
> KPA100.  I sure remember doing this one - and it works great ! It looks
like
> the only mod I don't have of the list on the Elecraft site is the newest
> one - PLL/BFO mod. Is this not correct.  I'm gathering up my Christmas
list,
> so I have to be sure !!
>
> Jamie
> WB4YDL
>
>
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