Re: Gamma-matching antenna tuner
toggle quoted messageShow quoted text
Thanks a lot for your info.
I am checking those presented URLs and a bit surprised with a huge filter using PC case. :)
In my understanding, because uBitx uses DDS and so is not likely to produce lower harmonics such as by frequency multiplier, but higher harmonics may occur in most cases.
Also I am afraid that the fixed BPF or LPF (such as until 30MHz) may not suppress the second harmonics (14MHz) when emitting 7MHz CW, but hoping that the pi-match antenna tuner may work for this case.
// hiro, JJ1FXF
2018/07/31 0:07、ajparent1/KB1GMX <kb1gmx@...>のメール: