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A 0.5-to-400MHz Programmable BAW Oscillator with Fractional Output Divider Achieving 4ppm Frequency Stability over Temperature and <95fs Jitter
S. Mukherjee, Y. Darwhekar, J. Janardhanan, P. Mirajkar, R. Reddy, H. Ramesh, B. Bahr, J. Chand, U. Meda, B. HarounShow More
Published in Institute of Electrical and Electronics Engineers Inc.
2023
Volume: 2023-February
   
Pages: 70 - 72
Abstract
Bulk-Acoustic-Wave (BAW)-technology-based oscillators have recently been introduced that combine a BAW resonator die with a CMOS circuit die containing oscillator and temperature compensation circuits [1]. In this work, we leverage the BAW technology to create a user programmable oscillator with attractive characteristics such as long-term reliability, miniaturization and low cost. Unlike low-frequency crystal/MEMS-based programmable resonators that require a fractional PLL to generate higher output frequencies [4-6], BAW resonators, due to a high resonant frequency (2.5GHz), allow programmability by making use of a Fractional Output Divider (FOD), as developed in this work. © 2023 IEEE.
About the journal
JournalDigest of Technical Papers - IEEE International Solid-State Circuits Conference
PublisherInstitute of Electrical and Electronics Engineers Inc.
ISSN01936530