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A 60 GHz 18 dBm Power Amplifier Utilizing 0.25 µm SiGe HBT

A. Hamidian1, V. Subramanian1, R. Doerner2 , G. Boeck1

Published in:

European Microwave Integrated Circuits Conf. (EuMIC 2010), Paris, France, Sep. 27-28, pp. 444-447 (2010).

Abstract:

This paper presents a fully integrated 60 GHz two stage power amplifier using cascode topology. The design procedure and measurement results are presented. The PA is implemented in a 0.25 µm SiGe:C BiCMOS technology featuring ft and fmax ~ 200 GHz. The saturated output power of the amplifier has been improved with the help of current combining and matching techniques. At 60 GHz the power amplifier achieves 18 dBm output power and 11 dB gain in saturation with a peak power added efficiency of 14%. The chip is completely integrated including the matching network and biasing circuitry. The matching networks are based on transmission lines and MIM-capacitors. High quality factor of the transmission lines and MIM-capacitors helps in minimizing the losses and hence achieving a high output power and power added efficiency. The chip size excluding the pads is only 0.19 mm2. This altogether makes the power amplifier quite interesting for wireless applications around 60 GHz.

1 Microwave Engineering Lab, Berlin Institute of Technology, Berlin, Germany
2 Ferdinand-Braun-Institut, Leibniz-Institut für Höchstfrequenztechnik, Gustav-Kirchhoff-Straße 4, D-12489 Berlin, Germany

Index Terms:

60 GHz, SiGe-HBT technology, Power amplifier, High data rate wireless applications.

Copyright © EuMA 2010. Personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution to servers or lists, or to reuse any copyrighted component of this work in other works must be obtained from the EuMA.

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