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A fully integrated low-power SiGe power amplifier for biomedical applications

Kaynak, Mehmet and Tekin, İbrahim and Gürbüz, Yaşar (2010) A fully integrated low-power SiGe power amplifier for biomedical applications. (Accepted/In Press)

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Abstract

In this work, a full-integrated very-low power SiGe Power Amplifier (PA) is realized using the IHP (Innovations for High Performance), 0.25μm-SiGe process. The behaviour of the amplifiers has been optimized for the 2.1-2.4 GHz frequency band for a higher 1-dB compression point and high efficiency at a lower supply voltage. The PA delivers an output power of 3.75 mW and 1.25 mW for 2V and 1V, respectively. The PA measurements yielded the following parameters; gain of 13 dB, 1-dB compression point of 5.7 dBm, and Power-Added-Efficiency of 30% for 2V supply voltage. The PA circuit can go down to 1V of supply voltage with a gain of 10 dB, 1-dB compression point of 1 dBm, and Power-Added-Efficiency of 20%. For both supply voltages, the input and the output of the circuit give good reflection performance. With this performance, the PA circuit may be used for low-power biomedical implanted transceiver systems.

Item Type:Article
Uncontrolled Keywords:Power Amplifier, low-power IC, Biomedical, SiGe
Subjects:UNSPECIFIED
ID Code:15852
Deposited By:Yaşar Gürbüz
Deposited On:08 Dec 2010 16:47
Last Modified:18 Feb 2011 15:42

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