By Steve Bush 24th May 2022
The person behind the excellent and very professional Signal Path YouTube channel has taken apart a 60GHz WiGig terminal and then x-rayed the tiny phased array antennas inside.
That’s right, he has access to a high-resolution x-ray machine.
I have to be honest here and admit that at first thought they were badly-wired passive phased arrays until I realised that one of the thin ‘wires’ was skinny coax, and that they small grey patches are filled with active electronics.
He looks in detail at the other components as well.
‘Teardown & detailed analysis of Qualcomm’s 60GHz multi-panel phased array WiGig system‘ is well worth a look if you have not seem what up-to-date commercial-grade (consumer-grade?) 60GHz radios look like.
Hats off to The Signal Path and Qualcomm.
Image copied and cropped from the YouTube / The Signal Path video linked above
Tagged with: GHz microwave Qualcomm radio RF
The Signal Path is an excellent YT channel, although so much is over my head! That RF stuff is a special kind of magic! I’ve been involved with phased arrays of IR emitters, so the topic does intrigue me. If my math is correct, the wavelength for 60GHz is 5mm. A 5 x 5 array in a small size is impressive! I wonder if they use it to scan the cabin, or if it is just set-up to be aimed at the seat? I’ll just assume that the power level is very low and most likely very low duty cycle. It probably isn’t great to continually radiate at your customers, even if the E fields are a nominally safe level.
morning zeitghost and Mr Kurt Isn’t is a splendid module – the future is here. And 60Ghz – wow. Years ago when I was working with 13GHz, it was all plumbing, solid coax and SMA connectors – now it is beautifully-sculptured pcb tracks. I also like The Signal Path – university-level RF for me to understand bits of and to always be impressed by. I feel, that I am not worthy of 60 GHz nor The Signal Path. What a wonderful world 🙂
Indistinguishable from Magick as someone once said.
I wonder if you still have to switch it off & back on again sometimes.
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