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Active radio frequency mixer circuit with feedback
Active radio frequency mixer circuit with feedback
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机译:有源射频混频器电路,带反馈
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摘要
An active mixer circuit, and an associated method, includes a feedback element which increases the linearity of the mixer circuit so that the mixer circuit is operable over a wider dynamic range than typically permitted of conventional, active mixer circuits. The mixer circuit includes a transconductance stage including a pair of transconductance transistors. Signals are applied through both of the transconductance transistors in parallel. The feedback element is coupled to an output side of a first of the transconductance transistors. And, a mixing stage is coupled to an output side of a second of the transconductance transistors.
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