[Elecraft] K1-4 & KAT1

[Sandy]

No to "slight" Elecraft!  There IS a very nice amplifier kit available that works
great with the K1!
Will do 35-40 watts out for 2-2.5 watts of drive.  Uses a pair of power FETs.  Has
filters
for all bands from 160-10 meters.
Checkout "HFPacker" search on Google and you will get the link to the website.
Nothing is drilled or tapped in the heatsink or chassis!  It is truly a "kit" of
aprts.  PC boards very nice!
73,
Sandy W5TVW
----- Original Message ----- 
From: <We5f at aol.com>
To: <elecraft at mailman.qth.net>
Sent: Sunday, March 27, 2005 12:47 PM
Subject: [Elecraft] K1-4 & KAT1


| Hello, Fellow Elecrafters:
|
| I've completed and installed a KAT1 ATU in my K1-4, s/n 1453.  I'm surprised
| and pleased that in addition to effectively tuning the antenna & coax for
| lowest SWR, the ATU acts as a "preselector" and improves the gain of the receiver
| slightly.  All 4 band seem just a bit "brighter" after tuning with the KAT1.
|
| I've read a discussion recently about moving a jumper on P3 on the RF board
| to activate the KAT1.  My instructions don't mention this.  I'm wondering if
| I'm missing something.  My RF board is Rev. E, and my KAT1 manual is Rev. C
| (Jan. 18, 2001).  I did leave one end of resistor R3 unsoldered, as instructed in
| the KAT1 manual.
|
| I observed a few minor "discrepancies" in the KAT1 manual that are not
| covered in the errata.  For example, the manual says to install a 3-pin and a
10-pin
| female connector on the K1 filter board.  However, these parts were already
| installed when I built the K1.  Perhaps the extra connectors were supplied in
| case you had an additional (older?) filter board?  It would be helpful if the
| errata mentioned this.
|
| Now I'm looking forward to my next Elecraft project - "booties" for my K1.
| I'd like to see an Elecraft KPA-1, an external amplifier for the K1, for fixed
| station use.  It would have at least 10 dB gain, with an in/out switch and a
| row of leds to indicate peak power.  I know this will be heresy to some
| Elecrafters, but the extra oomph would help working DX pileups!  Are you listening
| Wayne?
|
| 73, Jim K5HO
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