Jos joku ei ole vielä elecraftin listaa seurannut...
73 Jukka
Rob Sherwood, NC0B, an independent and well-known receiver performance specialist, has completed his K3 receiver tests. We're pleased with the results, which will place the K3 at the top of his comparison chart.
Rob will be updating his web site in a few days. For now, I'll just mention a couple of his numbers (with his permission).
Elecraft K3, S/N 00149, 20 meters, preamp off:
Dynamic Range 20 kHz 104 dB Dynamic Range 5 kHz 102 Dynamic Range 2 kHz 101*
* with 200 Hz 5-pole filter
Blocking above noise floor at 100 kHz spacing, AGC On: 140 dB Phase noise (normalized) at 10 kHz spacing: 138 dBc/Hz
Rob performs some tests differently that we (and the ARRL) do, but in general we're all in close agreement. Note that the unit under test had only Elecraft 5-pole filters. Our tests show the 8-pole filters to be as good or better, and we sent some of them to Rob to test when he gets a chance.
73, Wayne N6KR
_________________ 73 de Jukka OH4MFA / OG4T K2/100 #4293
|