Abstract
This paper reviews recent results of wireless transmitter and receiver ICs at 122 and 245 GHz in 0.13 µm SiGe BiCMOS technology together with an efficient on-chip antenna. A transmitter IC with 5 dBm output power and directional onchip power measurement for built-in-self-test is presented. A 122 GHz passive HBT diode mixer design is discussed and results are shown. The mixer exhibits superior 1/f noise performance which makes it especially suitable for FMCW/CW radar sensors. Furthermore a highly integrated 245 GHz transmitter with 1 dBm maximum output power was realized. The IC dissipates only 380 mW. A low-loss on-chip antenna for 130 GHz with 60% efficiency was implemented and measured. It uses localized backside etching techniques and allows for simplified and very cost-efficient mm-wave packaging.
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