Which are the 6 channel RX antenna?

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tony_lth

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Hi, Gurus,
Attachment is the typical ARS408 radar, it should be the far RX antennas.
And it should have 6 channel RX antennas, the others should be dummy ones.
So which are the RX antennas and which are the dummy ones?
Best,
Tony Liu
 

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The resistively loaded dummy antenna elements usually are placed at the margins of the array, and are used to improve the input match of the edge antenna elements of the array.

In the link below is mentioned that ARS408 from Continental use an NXP transceiver, which at 77GHz supports 4 TX channels and 12 RX channels.

Deep Dive Teardown of the Continental ARS408-21XX Long Range Radar Sensor | TechInsights

Deep Dive Teardown of the Continental ARS408-21XX Long Range Radar Sensor
www.techinsights.com
Yours could be actually a 12 RX channel version, but even like this, is hard to count which are the active RX elements.
 

    tony_lth

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