Spectrum analyzer
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United States of America Patent
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-
Jan 23, 1990
Grant Date -
N/A
app pub date -
Jun 13, 1988
filing date -
Jun 13, 1988
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A spectrum analyzer for analyzing an input spectrum. The analyzer includes a down converter capable of converting blocks or portions of the input spectrum to a corresponding predetermined output band of frequencies. A stepping device associated with the down converter sequentially selects portions of the input spectrum for conversion by the down converter. An A/D converter converts the output of the block converter into digital signals. A digital filter selects a predetermined frequency band from the predetermined output band of frequencies of the block converter. A processing unit effects FFT operation on data contained within the predetermined frequency band. A memory device sequentially stores the output from the processing unit.
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