Discussion in 'Ham Radio Discussions' started by W6RZ, May 10, 2019.
But it's not tops in other key areas.
Yes, the TS-890S tops the list for RMDR. The FTdx101D is 7 dB worse at 10 kHz offset, which places it at second place (tied with the IC-7851) in that category.
The ">" sign on the blocking dynamic range means he couldn't measure it since it exceeds the +20 dBm output of his signal generator. Same for the TS-890S, so no clear winner there.
It's unfortunate that Rob doesn't test transmitters also.
But the League lab does. I'd like to see how it fares on TX IMD (IM3/5/7/9), keying envelope faithfulness at higher keying speeds, TX noise spectrum vs. offset and other stuff. They do test that, and I guess I'll have to wait.
Also favoring the TS-890S (as compared to said new Yaesu):
Local Oscillator noise is lower by 7 dB
Significantly lower receiver noise floor
It ultimate filter rejection is better by at least 3 dB
Significantly lower AGC threshold
Yes, I addressed that. RMDR and LO noise are the same thing.
And related to a lower noise floor... and quite likely the lower AGC threshold. Hence its sensitivity.
Funny how that works.
I fully believe the TS-890S would make the better rig to attach the best transverters out there.
It can dig. And I can "dig" that.
I've pretty much said for a while now that up in that territory no human ears can discern a difference.
But, Yaesu seems to have a good radio here.
I suppose that could be the case on the HF bands. We'll have to wait and see.