US 11,867,832 B2
Separating receive and transmit antennas of a radar test system
Gregory Douglas Vanwiggeren, San Jose, CA (US); Todd Steven Marshall, Los Gatos, CA (US); Gregory S. Lee, Mountain View, CA (US); Natalie Killeen, Sebastopol, CA (US); and Christian Bourde, Santa Rosa, CA (US)
Assigned to KEYSIGHT TECHNOLOGIES, INC., Santa Rosa, CA (US)
Filed by Keysight Technologies, Inc., Santa Rosa, CA (US)
Filed on Feb. 15, 2021, as Appl. No. 17/175,761.
Prior Publication US 2022/0260674 A1, Aug. 18, 2022
Int. Cl. G01S 7/40 (2006.01); G01R 31/00 (2006.01); H01Q 1/52 (2006.01)
CPC G01S 7/4052 (2013.01) [G01R 31/002 (2013.01); G01S 7/4008 (2013.01); H01Q 1/525 (2013.01); G01S 7/4086 (2021.05)] 18 Claims
OG exemplary drawing
 
1. A miniature radar target simulator (MRTS) adapted to receive electromagnetic waves and to transmit response signals, the MRTS comprising: a receive antenna; a variable gain amplifier (VGA); an in-phase-quadrature (IQ) mixer; a variable attenuator; a transmit antenna; and an isolation structure comprising: a via field comprising a plurality of vias and disposed between an integrated circuit (IC) package and the transmit antenna and/or the receive antenna; and a moat disposed between the IC and the transmit antenna and/or the receive antenna.