In a message on Friday 09-01-16 Richard Menedetter said to Holger
Granholm:
Good day Richard,
An Upconverter is needed to convert a lower frequency signal to a
higher frequency signal.
OTOH, a downconverter is needed if I want to use my FT-290 VHF (144 MHz) transceiver to send on the HF (SW) bands. That is what my 'Tokyo HI-Power VHF>>HF Transverter' does.
IOW, converting the 144 MHz signal to for example 14 MHz.
See also the descritpion for the Ham-it-up upconverter:
It seems that the convention is the other way around.
You are actually converting down the receiving frequency band to be able
to receive frequencies below the 25-1300 MHz band, that the thumb-stick
is designed to receive.
Yes it seems that the Ham-it-up that you are referring to, has got the convention on the back foot.
In all my life as a HF-VHF-UHF-SHF ham, I have built converters to be
able to receive VUSHF, on for ex. 28 MHz.
That is downconverting, ie. converting the 144 MHz signals to 28 MHz.
When I wanted to use my Drake TR-4 transceiver to transmit on 144 MHz,
I needed an upconverter.
So, finally it all depends upon from which viewpoint you look at it.
Regards,
Holger
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* Origin: Coming to you from the Sunny Aland Islands. (2:20/228)