Title

A W-Band CMOS PA Encapsulated in an Organic Flip-Chip Package

Publication Date

6-1-2012

Document Type

Conference Proceeding

Abstract

This paper presents for the first time an organic Liquid Crystal Polymer (LCP) based system-on-package (SOP) module for a W-band CMOS power amplifier. The integrated circuit is flip-chipped and fully encapsulated into an all-LCP platform through construction of a cavity to host the chip. Additionally, a matching network is designed and implemented to improve broadband performance of the return loss and gain in the packaged die. Results show the encapsulated flip-chip package is attributed for 1.5 dB of loss in peak amplifier gain and only a slight degradation in return loss. Utilization of a matching network increased the packaged chip gain by 1.1 dB and significantly improved the return loss. This fully encapsulated packaged W-band 45-nm SOI CMOS PA achieves 5.0 dBm output power at 6.0 dB power gain and 5.2% PAE at 90 GHz with 1.0 V supply. To the best of the authors' knowledge, this is the highest performance demonstrated for a W-band CMOS PA on SOP module.

Publication Title

2012 IEEE/MTT-S International Microwave Symposium Digest

First Page

1

Last Page

3

DOI

10.1109/MWSYM.2012.6258427

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