A Novel Active Polyphase Filter Employing Frequency-Dependent Image Rejection Enhancement Technique

A Novel Active Polyphase Filter Employing Frequency-Dependent Image Rejection Enhancement Technique

In low intermediate frequency (low-IF) receivers, image interference rejection is one of the core tasks to be accomplished. Conventional active polyphase filters (APPFs) are unable to have a sufficient image rejection ratio (IRR) at high operating frequencies due to the degradation of the IRR by the...

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Bibliographic Details
Main Authors: Yue Yin, Haobo Qi, Haodong Lu, Ziting Feng, Jiayu He, Xinbing Zhang, Lei Li, Xiaofei Qi, Xiyuan Feng
Format: Article
Language:English
Published: MDPI AG 2025-01-01
Series:Micromachines
Subjects:
polyphase filter
complex filter
image rejection
low intermediate frequency receiver
notch filter
enhancement technique
Online Access:https://www.mdpi.com/2072-666X/16/1/65
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