Scanning RF receiver

Details Scanning RF receiver Scanning RF receiver

2005-05-17

2005-05-17

Nguyen, Vincent Q. (Department: 2858)

Electricity: measuring and testing

Measuring, testing, or sensing electricity, per se

Analysis of complex waves

C324S076110

Reexamination Certificate

active

06894475

ABSTRACT:
A receiver for analyzing input RF signals includes a first stage that includes an input for receiving one or more RF signals for analysis and a first local oscillator having an output including a first plurality of frequencies. The input is mixed with the local oscillator output in a first mixer to generate a first intermediate frequency spectrum output. A second stage includes a second local oscillator adapted to produce as output a sweep signal traversing a second plurality of frequencies and a second mixer for combining the second local oscillator output with the first intermediate frequency output to generate a second intermediate frequency output.

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patent: WO 9612199 (1996-04-01), None
patent: WO 0186810 (2001-11-01), None

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