NDLI: Integrated BiCMOS IF-modules for mobile telecommunication applications

Content Provider	IEEE Xplore Digital Library
Author	Halonen, K. Porra, V. Alinikula, P. Koli, K. Riihihuhta, H. Hannikainen, J.
Copyright Year	1994
Description	Author affiliation: Microelectron. Center, Helsinki Univ. of Technol., Espoo, Finland (Halonen, K.; Porra, V.; Alinikula, P.; Koli, K.; Riihihuhta, H.; Hannikainen, J.)
Abstract	Integrated IF-modules for mobile phone applications have been designed with-1.2 um BiCMOS technology. These modules consist of the transmitter, receiver and temperature independent gain-adjustment circuits. The 80 dB dynamic range over 50 MHz bandwidth of both the transmitter and receiver is achieved with the current stearing gain control amplifier. The gain control amplifier has an 80 dB dynamic range which is achieved with the current stearing gain control amplifier. The gain control is linear within +/- 0.5 dB and temperature compensated. The temperature compensation is performed in current mode. The dynamic range requirement is especially challenging for the logarithmic amplifier in the peak detector, in which a current feedback amplifier has been applied. These modules are intended to be combined on a single chip with the realised baseband filtering circuit. The total area of the circuits is 6 mm2 and the power consumption is 60 mA.<>
Starting Page	661
Ending Page	664
File Size	318524
Page Count	4
File Format	PDF
ISBN	078031915X
DOI	10.1109/ISCAS.1994.409459
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	1994-05-30
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	BiCMOS integrated circuits Gain control Dynamic range Transmitters Temperature Mobile handsets Integrated circuit technology Bandwidth Detectors Feedback amplifiers
Content Type	Text
Resource Type	Article

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