| 摘要 |
A class E amplifier circuit comprises a first class E amplifier connected to receive a first signal and operable to amplify the first signal and to output such an amplified first signal and a second class E amplifier connected to receive a second signal related to the first signal, and operable to amplify the second signal and to output such an amplified second signal. The circuit also comprises a combiner having first and second inputs connected to receive amplified signals from the first and second class E amplifiers respectively, and phase shift means operable to introduce a phase shift between signals for combination at the combiner.
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