| 摘要 |
A selective amplifier is disclosed that includes a first transistor, which has a first emitter, a first base, and a first collector, a second transistor, which has a second emitter, a second base, and a second collector, and a matching network. The first transistor is connected in the emitter circuit and the input signal acts on the first base of the first transistor. The second transistor is connected in the base circuit and the output signal can be tapped at the second collector of the second transistor. The matching network is connected directly to the first collector of the first transistor, and the matching network is connected directly to the second emitter of the second transistor.
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