Apparatus and method for pulse measurement
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United States of America Patent
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Apr 14, 2009
Grant Date -
Mar 16, 2006
app pub date -
Jun 23, 2005
filing date -
Sep 13, 2004
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A measurement apparatus (1) for measuring peak pulses of a radio frequency input signal (RF.sub.input) comprises mixing means for mixing the radio frequency input signal (RF.sub.input) with a local oscillator signal (LO) in order to convert the radio frequency input signal (RF.sub.input) directly to zero centre frequency thereby suppressing frequency components in a range close to zero frequency. Control means (20) control the frequency (f.sub.LO) of the local oscillator signal (LO) in a manner that a first measurement is performed in a first frequency range and that a second measurement is performed in a second frequency range shifted from the first frequency range.
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