MACOM Technology Solutions Holdings, Inc.
HYBRID POWER AMPLIFIER WITH GAN-ON-SI AND GAN-ON-SIC CIRCUITS

Abstract:

A power amplifier, such as a radio-frequency (RF) Doherty power amplifier, for amplifying an input signal to an output signal is disclosed. The power amplifier includes a peaking amplifier circuit, where the peaking amplifier circuit is formed in gallium nitride materials on a silicon substrate. The power amplifier further includes a main amplifier circuit, where the main amplifier circuit is formed in gallium nitride materials on a silicon carbide substrate.