JSSC 2023第9期RF & WirelessInP DHBTPower Amplifier

A Ka-Band InP HBT MMIC Power Amplifier With 1981 IP3P dc LFOM at 48 GHz Kevin W

本文介绍了一种在48 GHz下具有19.8:1 IP3/Pdc线性度指标的Ka波段InP DHBT功率放大器设计。

36.1 dBm IP3, 21.2 dBm P1dB, 28.3% PAE

Ka波段InP DHBT功率放大器线性度毫米波

▸在48 GHz下实现19.8:1的IP3/Pdc线性度指标

▸采用InP DHBT技术，峰值fT和fmax分别超过300 GHz和600 GHz

▸在40-44 GHz波段下实现17.4%-19.5%的线性PAE

Abstract

This article describes the design and measured performance of a linear efficient Ka-band InP DHBT PA with an IP3/Pdc linearity figure of merit (LFOM) of 19.8:1 at 48 GHz and 14.1:1 at 40 GHz. The MMIC PA is based on an InP DHBT technology with peak f T and f max of >300 and >600 GHz, respectively, and achieves among the best LFOM at the Ka-band above 40 GHz from an MMIC-matched amplifier. The amplifier is a single-stage four-way combined design that was optimized for a combination of power and P