<abstract xmlns="http://www.w3.org/1999/xhtml">

<p>This paper presents the implementation of a low-power and variable-gain 60 GHz millimeter-wave CMOS Amplifier designed for short-range multi-gigabit close proximity point-to-point communications. The design uses coplanar wave transmission lines to achieve 50 Ω input and output matching. Realized in a 90 nm CMOS process, the variable-gain VGA exhibits power consumption ranging from 4.7 mW to 39.1 mW, with gains spanning from 5.5 dB to 12.4 dB at 60 GHz and a 3 dB bandwidth exceeding 14.4 GHz. Input and output return losses remain below –10 dB across the gain spectrum. Successful demonstration of gain controllability further validates the circuit’s performance. The compact VGA die, inclusive of pads, has dimensions of 740 μm by 920 μm, thereby occupying a core area of 0.2 mm<sup>2</sup>. This design demonstrates the potential of low-power, high-performance VGAs in enhancing millimeter-wave communication systems.</p>
</abstract>

This paper presents the implementation of a low-power and variable-gain 60 GHz millimeter-wave CMOS Amplifier designed for short-range multi-gigabit close proximity point-to-point communications. The design uses coplanar wave transmission lines to achieve 50 Ω input and output matching. Realized in a 90 nm CMOS process, the variable-gain VGA exhibits power consumption ranging from 4.7 mW to 39.1 mW, with gains spanning from 5.5 dB to 12.4 dB at 60 GHz and a 3 dB bandwidth exceeding 14.4 GHz. Input and output return losses remain below –10 dB across the gain spectrum. Successful demonstration of gain controllability further validates the circuit’s performance. The compact VGA die, inclusive of pads, has dimensions of 740 μm by 920 μm, thereby occupying a core area of 0.2 mm2. This design demonstrates the potential of low-power, high-performance VGAs in enhancing millimeter-wave communication systems.

Design and prototype of a 60 GHz variable gain RF amplifier with 90 nm CMOS for multi-gigabit-rate close proximity point-to-point communications

Electrical and Electronics Engineering Department

Journal of Electrical Engineering

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

This paper presents the implementation of a low-power and variable-gain 60 GHz millimeter-wave CMOS Amplifier designed for short-range multi-gigabit close...

Design and prototype of a 60 GHz variable gain RF amplifier with 90 nm CMOS for multi-gigabit-rate close proximity point-to-point communications

Published Online: Jun 08, 2024

Page range: 173 - 180

Received: Feb 01, 2024

DOI: https://doi.org/10.2478/jee-2024-0021

Keywords
60 GHz, CMOS, high-frequency amplifiers, low-power design, millimeter-wave, transmission lines, RFIC, variable gain amplifier (VGA)

© 2024 Ahmet Öncü, published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

Design and prototype of a 60 GHz variable gain RF amplifier with 90 nm CMOS for multi-gigabit-rate close proximity point-to-point communications

Published Online: Jun 08, 2024

Page range: 173 - 180

Received: Feb 01, 2024

DOI: https://doi.org/10.2478/jee-2024-0021

Keywords60 GHz, CMOS, high-frequency amplifiers, low-power design, millimeter-wave, transmission lines, RFIC, variable gain amplifier (VGA)

© 2024 Ahmet Öncü, published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

Keywords
60 GHz, CMOS, high-frequency amplifiers, low-power design, millimeter-wave, transmission lines, RFIC, variable gain amplifier (VGA)