Design of a high-gain silicon BJT and an E- pHEMT hybrid matrix amplifier with an optimum filter-matching technique

Sangaran, Pragash and Narendra, Kumar and Paoloni, Claudio (2019) Design of a high-gain silicon BJT and an E- pHEMT hybrid matrix amplifier with an optimum filter-matching technique. IET Microwaves, Antennas and Propagation, 13 (12). 2153 – 2158. ISSN 1751-8733

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Abstract

Software-defined radio (SDR) is an advanced wireless transmission paradigm that supports all the consumer wireless protocols such as 2G, 3G, Long-Term Evolution, Wi-Fi (2.4 and 5 GHz), Bluetooth, and Zigbee, by software rather than hardware. A typical frequency band of operation is in the range of 0.5–6 GHz. The challenge to bring an SDR system on portable devices is the availability of ultra-wide-band compact amplifiers with a high gain over a wide frequency band. A novel hybrid silicon bipolar junction transistor (BJT) and an enhancement-mode pseudomorphic-high-electron-mobility-transistor (E- pHEMT) matrix amplifier with two rows and four columns (2 × 4) of transistors are designed, realised, and tested demonstrating a 0.65–5.8 GHz frequency band to satisfy the SDR specifications. The novel optimum filter-matching technique is applied to optimise the performance and overcome the limit of the hybrid approach. The proposed matrix amplifier exhibits an average gain of 37.5 dB and an average output power of 18 dBm across the 0.65–5.8 GHz band with only 3 V supply voltage. The gain is the highest in the state of the art for the frequency range. A bandwidth of 5.15 GHz, 20.3 dBm above the 1-dB compression point at 1.35 GHz, 10–16% power added efficiency, and 1.2 W DC power consumptions are obtained.

Item Type:
Journal Article
Journal or Publication Title:
IET Microwaves, Antennas and Propagation
Additional Information:
This paper is a postprint of a paper submitted to and accepted for publication in IET Microwaves, Antennas and Propagation and is subject to Institution of Engineering and Technology Copyright. The copy of record is available at the IET Digital Library
Uncontrolled Keywords:
/dk/atira/pure/subjectarea/asjc/2200/2208
Subjects:
ID Code:
135990
Deposited By:
Deposited On:
08 Aug 2019 13:15
Refereed?:
Yes
Published?:
Published
Last Modified:
29 Sep 2020 05:08