PUSH-PULL AMPLIFIER
PROBLEM TO BE SOLVED: To provide a push-pull amplifier that reduces spurious emissions by suppressing higher harmonics 2fo generated in individual unit amplifiers.SOLUTION: A balanced-unbalanced conversion circuit 11 operating as an input side matching circuit for unit amplifiers 2-5 and a balanced-...
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| Format: | Patent |
| Sprache: | eng |
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| Zusammenfassung: | PROBLEM TO BE SOLVED: To provide a push-pull amplifier that reduces spurious emissions by suppressing higher harmonics 2fo generated in individual unit amplifiers.SOLUTION: A balanced-unbalanced conversion circuit 11 operating as an input side matching circuit for unit amplifiers 2-5 and a balanced-unbalanced conversion circuit 21 operating as an output side matching circuit for the unit amplifiers 2-5 comprise baluns. The arrangement of baluns 12, 13, and 14 in the balanced-unbalanced conversion circuit 11 and the arrangement of baluns 22, 23, and 24 in the balanced-unbalanced conversion circuit 21 are point-symmetrical. |
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