Doherty power amplifier for improving broadband by using broadband-type composite left/right hand transmission line
The invention discloses a Doherty power amplifier for improving the broadband by using a broadband type composite left/right hand transmission line. The Doherty power amplifier for improving the broadband comprises a broadband-type composite left/right hand transmission line, wherein the broadband-t...
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| Format: | Patent |
| Sprache: | chi ; eng |
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| Zusammenfassung: | The invention discloses a Doherty power amplifier for improving the broadband by using a broadband type composite left/right hand transmission line. The Doherty power amplifier for improving the broadband comprises a broadband-type composite left/right hand transmission line, wherein the broadband-type composite left/right hand transmission line comprises a one quarter wavelength transmission line TL3, a one quarter wavelength transmission line TL4, a one quarter wavelength transmission line TL5 , a capacitor C1, a capacitor C2, a capacitor C3 and an inductor L1; the output end of a primary power amplifier is connected with the output end of an auxiliary power amplifier through the one quarter wavelength transmission line TL3, the output end of the primary power amplifier is connected with the output end of the auxiliary power amplifier through the one quarter wavelength transmission line TL4, the capacitor C1, the capacitor C2 and the one quarter wavelength transmission line TL5; one end of each of the capac |
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