Journal
IEEE ANTENNAS AND WIRELESS PROPAGATION LETTERS
Volume 8, Issue -, Pages 909-911Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/LAWP.2009.2025523
Keywords
94 GHz; air-bridge; crisscross connection; GaAs substrate; log-periodic antenna (LPA); W-band
Funding
- Millimeter-Wave Innovation Technology (MINT) Research Center, Dongguk University, Seoul, Korea
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We fabricated a compact, 94-GHz log-periodic planar antenna on GaAs substrate. We used millimeter-wave monolithic integrated circuit (MMIC) process technology to fabricate the on-chip antenna. An air-bridge crossover is used to replace the conventional bonded structure for crisscross connection, which is compatible with active devices and circuits. The fabricated antenna chip size is 1.2 x 2.6 mm(2) Measurement results show that this antenna can operate from 87 to 99.5 GHz with its return loss better than -10 dB. At 94 GHz, the log-periodic antenna has a return loss of -11 dB and 4.8 dBi of gain.
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