Dual double balanced mixers

Receivers in support of the continually expanding wireless marketplace rely heavily on improved performance from mixer components. What was once considered adequate performance in terms of dynamic range — mixer noise figure at the low-level end of the dynamic range and third-order intercept point (IP3) at the high-level end—is no longer good enough. Since modern mixers must provide third-order intercept performance in excess of +35 dBm, the engineers at Mini-Circuits (Brooklyn, NY) set out to beat that number by at least 3 dB, with a new line of field-effect-transistor (FET) mixers designed for third-order intercept performance to +38 dBm. This article is straight from the Mini Circuits Engineering Dept.

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