A 0.49 mm2 CMOS Low-Power TVCO Achieving FoM of 190.36 dBc/Hz for 5G New Radio Application

Author:

Shasidharan Pravinah,Mariappan Selvakumar,Yizhi Li,Rajendran Jagadheswaran,Wong Mark

Abstract

This paper describes the implementation of low-power, low-phase-noise (PN), and robust startup tailless class-C voltage-controlled oscillator (TVCO) for 5G new radio (NR) technology. It features dual gate voltage control source biasing to generate fast startup and differential signal amplitude balancing, thus eliminating the requirement of the conventional tail current source, which introduces more parasitic capacitance that affects the oscillation frequency, phase noise, and power consumption. The TVCO is fabricated in 180 nm complementary metal-oxide semiconductor (CMOS) technology, oscillating at 2.59 GHz 5G NR carrier frequency with an output voltage swing of 1.7 V and low-phase-noise of -122 dBc/Hz at 1 MHz offset with supply voltage headroom of 0.7 V. Without additional features added, the TVCO consumes very low-power and a small die area of 0.98 mW and 0.49 mm2, respectively. The achieved figure of merit (FoM) is 190.36 dBc/Hz.

Publisher

Kaunas University of Technology (KTU)

Subject

Electrical and Electronic Engineering

Cited by 4 articles. 订阅此论文施引文献 订阅此论文施引文献,注册后可以免费订阅5篇论文的施引文献,订阅后可以查看论文全部施引文献

1. Design of low power and low phase noise LC-VCO for Bluetooth/WLAN applications;AEU - International Journal of Electronics and Communications;2024-04

2. A 2.4-GHz complementary voltage-controlled oscillator (VCO) for bluetooth-low-energy (BLE) internet-of-things (IoT) application;AIP Conference Proceedings;2024

3. A capacitive transformer-based class-C oscillator;AEU - International Journal of Electronics and Communications;2023-10

4. Wideband CMOS 65nm Hybrid Voltage Controlled Oscillator for Multiband Transceiver;2023 IEEE International Symposium on the Physical and Failure Analysis of Integrated Circuits (IPFA);2023-07-24

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