Article | GigaHertz 2003. Proceedings from the Seventh Symposium | SiGe BiCMOS LNAs and Tunable Active Filter for Future Wide-Band Multi-Purpose Array Antennas

Title:
SiGe BiCMOS LNAs and Tunable Active Filter for Future Wide-Band Multi-Purpose Array Antennas
Author:
R. Malmqvist: Swedish Defence Research Agency FOI, Sweden M. Hansson: Linköping University, Sweden
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Full text (pdf)
Year:
2003
Conference:
GigaHertz 2003. Proceedings from the Seventh Symposium
Issue:
008
Article no.:
047
No. of pages:
4
Publication type:
Poster
Published:
2003-11-06
Series:
Linköping Electronic Conference Proceedings
ISSN (print):
1650-3686
ISSN (online):
1650-3740
Publisher:
Linköping University Electronic Press; Linköpings universitet


In this paper; we present three monolithical microwave integrated circuits (MMIC’s) that potentially may be used in the receiver front-ends of future wide-band multi-purpose array antennas; for example. Two low-noise amplifiers (LNA’s) and one tunable filter have been designed in a 0.35µm bipolar complementary metal oxide semiconductor (BiCMOS) technology containing high frequency silicongermanium SiGe) hetero-junction bipolar transistors (HBT’s). The use of BiCMOS technologies based on SiGe HBT’s to enhance RF performance could enable RF functions to be integrated on the same chip as complex digital functions. Firstly; a single-stage LNA is presented together with a twostage wide-band LNA. Simulated RF performance of these circuits seems promising in terms of values of gain and noise figure achieved; respectively; over large bandwidths. Relatively wide-band input and output impedance matching together with reasonably low values of power consumption are achieved for these LNA’s. Finally; a 7.3-8.1GHz tunable active filter is also described.

GigaHertz 2003. Proceedings from the Seventh Symposium

Author:
R. Malmqvist, M. Hansson
Title:
SiGe BiCMOS LNAs and Tunable Active Filter for Future Wide-Band Multi-Purpose Array Antennas
References:

[1] L. Pettersson et al.; "An experimental S-band digital beanforming antenna;" IEEE AES Syst. Mag.; Vol. 12; pp. 19-26; Nov. 1997.


[2] A. Gustafsson et al.; “Tuneable S-band filter for on-chip receiver;” Proc. of 1998 Asia-Pacific Microw. Conf.; pp. 781-784.


[3] K. -B. Schad et al.; “A Ku band SiGe low noise amplifier;” Silicon Monolithic Integrated Circuits in RF Systems 2001 Dig.; pp. 52-54.


[4] H. Knapp et al.; “15 GHz wideband amplifier with 2.8 dB noise figure in SiGe bipolar technology;” IEEE MTT-S 2001 Int. Microwave Symposium Dig.; pp. 591-594.


[5] M. Danestig et al.; “Recursive filters employing transmission type phase shifters and novel selfswitched time shifters for frequency tuning;” Proc. of 1998 Europ Microw. Conf.; pp. 352-357.

GigaHertz 2003. Proceedings from the Seventh Symposium

Author:
R. Malmqvist, M. Hansson
Title:
SiGe BiCMOS LNAs and Tunable Active Filter for Future Wide-Band Multi-Purpose Array Antennas
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