Scanning RF receiver
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United States of America Patent
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May 17, 2005
Grant Date -
Oct 28, 2004
app pub date -
Apr 25, 2001
filing date -
May 5, 2000
priority date (Note) -
Expired
status (Latency Note)
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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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