Audun Tengs
Ericsson Microwave Systems AB, Sweden
Marie Forsberg
Ericsson Microwave Systems AB, Sweden
Stefan Johansson
Ericsson Microwave Systems AB, Sweden
Johan Lingsten
Ericsson Microwave Systems AB, Sweden
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Published in: GigaHertz 2003. Proceedings from the Seventh Symposium
Linköping Electronic Conference Proceedings 8:9, p.
Published: 2003-11-06
ISBN:
ISSN: 1650-3686 (print), 1650-3740 (online)
An ultra broadband upconverter MMIC has been designed; realized and measured using a 0.25 µm PHEMT process on GaAs [1]. It contains a switch; amplifiers; a step attenuator; filters; and mixer. The input frequency band is 2 - 12 GHz and the output frequency band is 8-18 GHz. The input signal; selectable using a switch; is amplified and converted from 2-12 GHz to 18-8 GHz. An attenuator is used to increase the dynamic range of the circuit. Measured performance shows full functionality with an overall gain better than 30 dB and with a noise figure of 5 dB. The work was part of a CEPA project.
[1] UMS MMIC foundry “PH25 Design Manual v2.0”
[2] H. Zirath; P. Sakales and J. M. Miranda “ A low noise 2-20 GHz feedback MMIC-amplifier”; Proc. GHz200 symposium; 2000; pp121-124.
[3] R. Goyal “Monolithic microwave integrated circuit technology and design”; Artech House; Norwood; MA; 1989; p543.
[4] S.A. Maas ; “Microwave Mixers”; Artech House Inc; 1993; Norwood; USA; ISBN 0-89006-605-1.
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