| Autor: |
Stameroff, Alexander N., Ta, Hai H., Pham, Anh-Vu, Leoni III, Robert E. |
| Předmět: |
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| Zdroj: |
IEEE Transactions on Microwave Theory & Techniques; Mar2013, Vol. 61 Issue 3, p1291-1300, 10p |
| Abstrakt: |
In this paper, we present a wide bandwidth power amplifier (PA) utilizing a Marchand balun to achieve power combining and inverse class-F (class-F^\-1) matching. We have used a 4-to-1 balun and its out-of-band characteristics to achieve matching at the second and third harmonic for differential class-F^\-1 operation. Thus, the balun simultaneously acts as a combiner and harmonic matching network. The experimental results demonstrate that the prototype PA achieves an output power of 41.5 dBm at the 1-dB compression point ( P1\ {dB}), power-added efficiency of 55%, and gain of 10 dB over a fractional bandwidth of 40% from 8 to 12 GHz. Due to the differential operation, the class-F^\-1 PA has also achieved a measured second harmonic distortion of -50 dBc. [ABSTRACT FROM AUTHOR] |
| Databáze: |
Complementary Index |
| Externí odkaz: |
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