Agilent Technologies HP 8642A/B Specifiche Pagina 285

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Noise Monitor vs. New Noise Monitor
Noise Monitor and New Noise Monitor are the same function except that
softkey is selected, a measurement calibration
when the
New Noise Monitor
Noise Monitor
is completed before the noise data is displayed. When the
softkey is selected, the HP 3048A assumes that a measurement has already
been made during which the measurement calibration constants were
created. Noise Monitor is typically selected after a measurement has just
been completed and you wish to investigate a particular portion of the
results.
Softkey Descriptions
Lock Loop: Performs all of the system checks that ensure phase lock of
the sources. (SHIFT Lock Loop: Toggles the Out of Lock indicator in the
HP 11848A Phase Noise Interface.)
Deer. HPF: Decreases the High Pass Filter within the HP 11848A Phase
Noise Interface. These HPFs are in decade steps and are designed to
permit increased sensitivity of the HP 3561A Dynamic Signal Analyzer by
filtering out undesired segments of the broadband noise. The HPF
Cutoff:
window indicates the specified value of the filter selected. (SHIFT Deer.
HPF:
Increases the HPFs.)
Deer. LPF: Decreases the Low Pass Filter within the HP 11848A Phase
Noise Interface. These LPFs are in decade steps and are designed to
permit increased sensitivity of the HP 3561A Dynamic Signal Analyzer by
filtering out undesired segments of the broadband noise. The LPF
Cutoff:
window indicates the specified value of the filter selected. (SHIFT Deer.
LPF:
Increases the LPFs.)
5-30 Noise Monitor / NewNse Monitor
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