Transmitter for Millimetre Radio Wavelengths

Abstract

Disclosed is a transmitter for transmitting radio frequency and millimeter wavelength signals. The transmitter comprises a first and a second transmission path, each transmission path having a signal with a different phase. The transmitter also comprises a first driver amplifier on the first transmission path and a second driver amplifier on the second transmission path, each of the first and second driver amplifiers receiving an input signal mixed with a carrier signal. The also transmitter comprises a first Doherty power amplifier on the first transmission path and a second Doherty power amplifier on the second transmission path, each of the first and the second Doherty power amplifiers having an input with a different phase and being configured to operate separately, wherein first driver amplifier is paired with the first Doherty power amplifier and the second driver amplifier is paired with the second Doherty power amplifier.

Dependencies are inferred from the claim text.