My Elecraft K2 - page
Tuning and
assembly of my K2 in 2003
In 2003, i built a K2-transceiver with very good results; here i propose three modifications:
1. Modification of the bandpassfilters for european conditions: Modifications for BPF.pdf (0,7 MB)
NEW: Increased BW´s on 160m (1.810
... 2.000kHz) and on 40m (7.000 ... 7.200kHz)
This Mod is also published on sverre´s page: see the link
below
2. Modification for the noiseblanker KNB-2 : KNB2-Mod.pdf (0,14 MB)
This mod increases the sensitivity of the low-threshold, especially suited for empty bands with little noise, but the intermodulation may increase in crowded bands. The level of the high-threshold is not affected and should be used therefore in crowded bands.
3. Modification for nominal output on 10m: K2 10m-Low Power (0,2 MB)
This mod increases the output on 10m (28MHz) to the nominal value of 10watts; my K2 had only abt. 5 to 6W on 10m.
A small K2-charger for the K2-battery (sealed lead acid = "gel") is described here: K2-Charger (0,2 MB)
This charger may be used during fieldoperation with solarcells or at home with a small power adapter
More informations on:
The manufacturers page: www.elecraft.com
K2-Mods from Sverre: LA3ZA Unofficial Guide to Elecraft K2 Modifications