Re: 122GHz antennas
The TRA -120-002 dues not have any AM modulation capabilities
And the modulation depth that is required will determine the dynamic rang of the test set up
So the measurement would have to be using a spectrum analyser
this could be a possibility for the martelsham round table
Glad to talk more on the subject of line
UKMicrowaves@groups.io [mailto:UKMicrowaves@groups.io] On Behalf Of KENT BRITAIN
Got a question for the group.
Having done a lot of work with 94 GHz, I realize just how much fun it is to
align a millimeter system for best performance. Both focus and
The plan is to modulate one of the boards with 1000 Hz AM and test on
the antenna range. Now the HP415 detector can be connected to the 145 MHz
port and dB's directly read. And a relatively close object to align the sights on.
Would AM modulation be as simple as connecting a function generator
(or 555 timer) directly to the I Q inputs and hit both with the 1000 Hz in
phase? I would expect slightly more output that way vs just the I or Q port.
going logic level high.
No virus found in this message.
Paul Bicknell G8KFW South Coast UK