EP2242183A3

High dynamic range time-varying integrated receiver for elimination of off-chip filters

Abstract

A quadrature mixer with an LO input is provided. The quadrature mixer receives a signal having a frequency ELO and a signal input having a frequency FSIG and has an output that comprises an output impedance that is high at frequencies of [FLO-FSIG] and [FLO + FSIG]and low at other. A mixer coupled to the output impedance interacts with the output impedance such that an impedance presented at the signal input is high for signals at FSIG if FSIG is a predetermined signal frequency, and low at other frequencies.

EP2242183A3, drawing sheet 1
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Projected expiry passed 28 January 2025, 1.7 years ago.

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