Two-stage variable-gain mixer employing shunt feedback

Telecommunications – Receiver or analog modulated signal frequency converter – Frequency modifying or conversion

Reexamination Certificate

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Details

C455S323000, C455S313000, C330S301000

Reexamination Certificate

active

07035616

ABSTRACT:
A demodulator which includes an active balun circuit and at least one mixer driven by the active balun circuit. The active balun circuit includes a negative shunt feedback arrangement.

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patent: 2002/0187768 (2002-12-01), Lin
Barrie Gilbert, The Micromixer: A Highly Linear Variant of the Gilbert Mixer Using a Bisymmetric Class-AB Input Stage, Sep. 1997, p. 1412-1423, vol. 32 No. 9, IEEE JSSC. USA.
Chris Trask, A New Low-IMD Mixer, Sep. 2000, pp. 680-685, vol. 106 No. 1773, Electronics World, USA.

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