M. Campovecchio et al., LARGE-SIGNAL DESIGN METHOD OF DISTRIBUTED POWER-AMPLIFIERS APPLIED TOA 2-18-GHZ GAAS CHIP EXHIBITING HIGH-POWER DENSITY PERFORMANCES, International journal of microwave and millimeter-wave computer-aided engineering, 6(4), 1996, pp. 259-269
A suitable large signal design method of distributed power amplifiers,
based on the optimum FET load requirement for high power operation, i
s proposed in this article, The gate and drain line characteristic adm
ittances are determined, providing both the initial values and right d
irections for an optimum design, To validate the proposed design metho
d, a FET amplifier demonstrator with a gate periphery of 1.2 mm has be
en manufactured at the Texas Instruments foundry, The MMIC distributed
amplifier demonstrated an improved power density performance of 340 m
W/mm over the 2-18-GHz frequency band associated with a minimum of 13%
power-added efficiency and 24% drain efficiency at 1-dB compression i
n CW operation. (C) 1996 John Wiley & Sons, Inc.