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Abstract: In this paper the non-uniform distributed power amplifier (NDPA) architecture is reviewed. Analysis of the structure highlights some of issues and limitations one encounters …
Targeted applications including high power amplifiers, broadband amplifiers and 5G wireless networks are introduced. Various GaN-based material designs for mmW applications are …
The Non-Uniform Distributed Power Amplifier (NDPA) is the dominant MMIC topology used in systems requiring high output power over an extremely wide bandwidth.
Abstract: We report on a multi-octave (100 MHz ‒ 8 GHz), linear nonuniform distributed amplifier (NDPA) in a MMIC architecture using scaled 120-nm short-gate-length GaN HEMTs.
In this work, we demonstrate the first GaN power distributed amplifiers that achieve practical multi-decade performance down to 100 MHz and up through 20 GHz.
Abstract The paper presents the results of a study conducted to compare the microwave performance of distributed high-power amplifiers (HPAs) with dual band switched HPAs.
Distributed PA (DPA) is a classical topology for achieving wide bandwidth, but with low unity gain and PAE. Moreover, the fixed drain feeding module limits the performance at high frequency. …
These systems require amplifiers with high power, wide bandwidth, and high efficiency to which Qorvo researchers have developed power amplifier MMICs utilizing the non-uniform …
The design presented here is a Non-uniform Distributed Power Amplifier (NDPA), which allows simultaneous coverage of the entire 2-18GHz band with high output power and flat gain. The …
mmTron’s Michael Roberg, Engineering Fellow, recently presented a tutorial on designing non-uniform distributed power amplifiers at the IEEE MTT-S World Microwave Conference. Watch …
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