Hi Keith,
The K1 and KX1 are both designed for portability and very low current
drain. Like many other QRP transceivers, they use a low-current active
mixer in the front end rather than a diode mixer.
Due to the low-power mixer, the K1's receiver sensitivity is excellent
but its dynamic range is not as large as the K2's (or TS-830's). Most
of the time you won't notice the difference. The exception would be if
you had a KW neighbor operating on the same band you are, or if you
live near a very high-power broadcast station whose signal gets through
the band-pass filters. (The K1 has very narrow ham-band filters,
reducing the likelihood of such interference.) The K1 includes a
switchable attenuator that you can turn on if a very strong signal does
appear.
Unless you encounter one of these situations, you'll find the K1 very
competent in contest situations. It includes a 4-pole
variable-bandwidth crystal filter to help reduce adjacent-signal QRM.
73,
Wayne
N6KR
On Oct 20, 2005, at 11:32 AM, Darwin, Keith wrote:
I know the K2 delivers contest-grade receive performance. That is one
of the main reasons I want one so badly :-) But what about the K1?...
---
http://www.elecraft.com
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