Push-pull power amplification circuit
The invention discloses a push-pull power amplification circuit. The push-pull power amplification circuit comprises a differential amplification circuit, a first balun, a first output matching circuit and a second output matching circuit, a secondary winding of the first balun comprises a first sec...
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| Hauptverfasser: | , , , |
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| Format: | Patent |
| Sprache: | chi ; eng |
| Schlagworte: | |
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| Zusammenfassung: | The invention discloses a push-pull power amplification circuit. The push-pull power amplification circuit comprises a differential amplification circuit, a first balun, a first output matching circuit and a second output matching circuit, a secondary winding of the first balun comprises a first secondary coil section and a second secondary coil section; the first end of the primary winding is connected with the output end of the first power amplifier, and the second end of the primary winding is connected with the output end of the second power amplifier; the first end of the first secondary coil section is connected with the first output matching circuit, and the second end of the first secondary coil section is grounded; the first end of the second secondary coil section is connected with the second output matching circuit, and the second end of the second secondary coil section is grounded; when the working mode of the push-pull power amplification circuit is a first mode, the first output matching circui |
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