ALEXANDRIA, Va.—William H. Doherty was an engineer with Bell Telephone Laboratories in 1936 when he invented a circuit that used two tubes running in Class B configuration to act as a linear amplifier ...

In general terms, power amplifiers (PAs) used in communications systems must be large enough to amplify envelope peaks. This leads to amplifiers designed to offer the best efficiency at peak power ...

In a world of everything Doherty, there can be several variations on the standard Doherty amplifier architecture, in order to optimize the operation for different signal conditions. All of the ...

Peregrine Semiconductor’s line of UltraCMOS Monolithic Phase & Amplitude Controllers (MPACs) offers a monolithic RF solution to maximize Doherty amplifier performance. Peregrine Semiconductor’s line ...

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A novel phased-array beamformer for the 5G millimeter wave (mmWave) band has been recently developed. The innovative design applies two well-known techniques -- the Doherty amplifier and digital ...

“We are excited to achieve the 20W milestone using our GaN-on-Si power transistor technology. Customers asked us to increase our power levels while further reducing our industry-leading price point ...

Doherty power amplifiers (DPAs) have emerged as a critical technology for modern wireless communication systems, notably in the context of 5G and beyond. These amplifiers utilise a dual-amplifier ...

The combination of MaxLINtm Linearization Technology and Qorvo’s GaN high efficiency power amplifier, QPD0011J Doherty power amplifier driven by QPD0006, provides breakthrough line up power efficiency ...

At the 2012 NAB Show I saw three transmitters on display that promise solid-state amplifier efficiencies matching those of IOT (Inductive Output Tube) amplifiers. Although solid-state amplifiers offer ...

AUSTIN, Texas--(BUSINESS WIRE)-- RF power market leader Freescale Semiconductor (NYS: FSL) today introduced an advanced gallium arsenide (GaAs) monolithic microwave integrated circuit (MMIC) control ...