Rf Magic, Inc.

Entropic Communications, Inc.

Peter Doherty

Jeremy Mark Goldblatt

John Kitt

Branislav A Petrovic

Yong Zeng

John Kit

Circuits systems and methods for frequency translation and signal distribution includes a downconverter circuit having first and second inputs coupled to receive respective first and second input signals, and an output for providing a downconverted output signal. The downconverter circuit includes a mixer circuit, a first switch, and a second switch. The mixer includes a first input coupled to a reference source, a second input, and an output coupled to the downconverter circuit output. The first switch includes a first port coupled to the downconverter circuit first input, and a second port switchably coupled to the mixer circuit second input. The second switch includes a first port coupled to the downconverter circuit second input, and a second port switchably coupled to the mixer circuit second input.

Circuits, systems and methods for frequency translation and signal distribution

A multi-stage signal combining network includes two or more first stage combiner circuits, two or more filters, and at least one second stage signal combiner circuit. Each of the first stage combiner circuits has two or more input ports coupled to receive a respective two or more signals, and a first combiner output port. Each of the two or more filters includes an input coupled to one first stage combiner output port and a filter output port. The at least one second stage combiner circuit includes two or more input ports, each coupled to one filter output port, and a second stage combiner output port.

Signal distribution system employing a multi-stage signal combiner network

An integrated circuit (IC) structure and method of distributing multiple broadband signal inputs to multiple integrated circuits, where each IC receives at least one original signal and outputs a replica of the original signals to other ICs and receives at least one replica signal output by another IC.

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San Diego, CA, United States of America

Peter Doherty