Resonance Frequency Readout Circuit for a 900 MHz SAW Device

Resonance Frequency Readout Circuit for a 900 MHz SAW Device

A monolithic resonance frequency readout circuit with high resolution and short measurement time is presented for a 900 MHz RF surface acoustic wave (SAW) sensor. The readout circuit is composed of a fractional-N phase-locked loop (PLL) as the stimulus source to the SAW device and a phase-based reso...

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Bibliographic Details
Main Authors: Heng Liu, Chun Zhang, Zhaoyang Weng, Yanshu Guo, Zhihua Wang
Format: Article
Language:English
Published: MDPI AG 2017-09-01
Series:Sensors
Subjects:
sensor readout circuit
SAW device
resonance frequency
phase-locked loop
successive approximation
Online Access:https://www.mdpi.com/1424-8220/17/9/2131

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