User`s guide

-ii Agilent Technologies E5500 Phase Noise Measurement System
UsingtheServerHardwareConnectionstoSpecifytheSource ....... 5-8
Testing the Agilent/HP 8663A Internal/External 10 MHz . . . ....... 5-10
DefiningtheMeasurement ............................... 5-11
SelectingaReferenceSource ............................. 5-13
SelectingLoopSuppressionVerification .................... 5-14
Setup Considerations for the Agilent/HP 8663A
10MHzMeasurement ............................... 5-14
BeginningtheMeasurement .............................. 5-16
Sweep-Segments ....................................... 5-28
CheckingtheBeatnote .................................. 5-28
MakingtheMeasurement ................................ 5-29
Testing the Agilent/HP 8644B Internal/External 10 MHz . . . ....... 5-33
DefiningtheMeasurement ............................... 5-34
SelectingaReferenceSource ............................. 5-36
SelectingLoopSuppressionVerification .................... 5-37
Setup Considerations for the Agilent/HP 8663A
10MHzMeasurement ............................... 5-37
BeginningtheMeasurement .............................. 5-39
Sweep-Segments ....................................... 5-51
CheckingtheBeatnote .................................. 5-51
MakingtheMeasurement ................................ 5-52
ViewingMarkers .......................................... 5-56
OmittingSpurs............................................ 5-57
DisplayingtheParameterSummary ........................... 5-59
ExportingMeasurementResults .............................. 5-60
ExportingTraceData ................................... 5-61
ExportingSpurData .................................... 5-62
ExportingX-YData .................................... 5-63
6. Absolute Measurement Fundamentals
WhatYou’llFindinThisChapter.............................. 6-1
ThePhaseLockLoopTechnique .............................. 6-2
UnderstandingthePhase-LockLoopTechnique ............... 6-3
ThePhaseLockLoopCircuit .............................. 6-3
WhatSetstheMeasurementNoiseFloor? ....................... 6-6
TheSystemNoiseFloor .................................. 6-6
TheNoiseLeveloftheReferenceSource .................... 6-7
SelectingaReference ....................................... 6-8
UsingaSimilarDevice ................................... 6-8
UsingaSignalGenerator ................................. 6-9
TuningRequirements .................................... 6-9
EstimatingtheTuningConstant .............................. 6-11
TrackingFrequencyDrift ................................... 6-12
EvaluatingBeatnoteDrift ................................ 6-12
ChangingthePTR ......................................... 6-14
TheTuningQualifications ............................... 6-14
MinimizingInjectionLocking................................ 6-16