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Title: SiP-based 60GHz 4×4 antenna array with 90nm CMOS OOK modulator in LTCC
Authors: Karim, M.K.
Sun, M.
Ong, L.C.
Guo, Y.X. 
Brinkhoff, J.
Kang, K.
Lin, F.
Keywords: 60GHz radio
Amplitude shift keying
Aperture coupled patch antenna
Millimeter wave
Issue Date: 2010
Citation: Karim, M.K.,Sun, M.,Ong, L.C.,Guo, Y.X.,Brinkhoff, J.,Kang, K.,Lin, F. (2010). SiP-based 60GHz 4×4 antenna array with 90nm CMOS OOK modulator in LTCC. IEEE MTT-S International Microwave Symposium Digest : 352-355. ScholarBank@NUS Repository.
Abstract: A 60GHz 4×4 circular polarized (CP] patch array antenna with a 90nm CMOS OOK modulator are designed and integrated in low temperature cofired ceramic (LTCC] substrate to form a SiP-based transmitter. By applying a stripline sequential rotation feeding scheme, the CP array exhibits a wide impedance bandwidth (VSWR>2) and 3dB axial ratio (AR) bandwidth, both over 8GHz. It has a beam-shaped pattern with a 3dB beam width of 20° and a peak gain of 16.8dBi. The CMOS modulator includes a 60GHz oscillator and switchable amplifiers to provide the OOK modulation. By applying a bond wire compensation scheme and low-loss transition optimization, the CMOS modulator is successfully integrated into the package with 2mil 500μm long bond wires. The final fabricated prototype measures only 22×13×1.4mm3. The 60GHz SiP transmitter is tested with a commercial receiver and a data rate of 2Gbps is demonstrated. The energy usage at 2Gb/s is only 13.2pJ/bit for the modulator © 2010 IEEE.
Source Title: IEEE MTT-S International Microwave Symposium Digest
ISBN: 9781424477326
ISSN: 0149645X
DOI: 10.1109/MWSYM.2010.5517167
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