Please use this identifier to cite or link to this item: https://doi.org/10.1109/4.711327
Title: A GaAs upconverter MMIC with an automatic gain control amplifier for 1.9 GHz PHS
Authors: Ma, H.
Fang, S.J. 
Lin, F. 
Tan, K.-S.
Shibata, J.
Tamura, A.
Nakamura, H.
Keywords: Automatic gain control
MMIC mixer
Monolithic microwave integrated circuit
Personal Handyphone System
Transceiver
Transmitter
Issue Date: Sep-1998
Citation: Ma, H., Fang, S.J., Lin, F., Tan, K.-S., Shibata, J., Tamura, A., Nakamura, H. (1998-09). A GaAs upconverter MMIC with an automatic gain control amplifier for 1.9 GHz PHS. IEEE Journal of Solid-State Circuits 33 (9) : 1297-1304. ScholarBank@NUS Repository. https://doi.org/10.1109/4.711327
Abstract: A newly developed GaAs upconverter MMIC with an automatic gain control (AGC) amplifier is presented. The design objectives, considerations, problems, and their solutions are described. The circuit is designed for a 1.9 GHz radio-frequency transceiver for the Japanese Personal Handyphone System applications. The features of the upconverter are: 1) onchip 50 Ω impedance matching for all AC input and output signals; 2) a doubly balanced Gilbert cell and a two-stage AGC amplifier with matching circuits that provide 23.0 dB conversion gain, -39 dBc LO suppression, -23 dBc image suppression, and 30 dB gain control; 3) an adjacent channel power of -70 dBc, and 4) a die size of only 2.87 mm2 (2.52 mm × 1.14 mm).
Source Title: IEEE Journal of Solid-State Circuits
URI: http://scholarbank.nus.edu.sg/handle/10635/115559
ISSN: 00189200
DOI: 10.1109/4.711327
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