"The result is that it's very difficult to cause overdrive and splatter with a
K4, even if you try to do it intentionally."
Same is true for the much older Kenwood TS-590S. I have tried several times to
produce dirty signals to illustrate digital modes presentations. I have never
been able to
It’s only anecdotal, but I was in a 6M QSO where we both were receiving each
other with 20dB+ signals. I adjusted CMP from 0 to 30 and the difference heard
by the other station was 6dB. It definitely works.
73, Lou W0FK
On Jun 28, 2022, at 11:18 PM, Wayne Burdick wrote:
Reducing power while
I meant to point out another fact about the way the K4 handles power control.
In addition to the usual ALC and our very clean CESSB-based compression, the K4
limits maximum drive in AF modes (audio-derived data and voice). This limit is
calculated on a per-band basis, ensuring an upper bound on
Like everyone else, we switched to 12 V VHF MOSFETs for our 10 and 100 watt
PAs. At the recommended supply voltage (~14 V), IMD for these transistors is
about the same as for bipolars, with 3rd order products averaging -35 to -40
dBc and worst-case about -30 dB. These stats are borne out by an a
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