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HP Saw E4419B manual How Measurements are Calculated, Window Functions

Models: Saw E4419B

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Power Meter Operation

How Measurements are Calculated

How Measurements are Calculated

Figure 2-22 details how measurements are calculated. It shows the position in which the various power meter functions are implemented in the measurement calculation.

Figure 2-23: How Measurements are Calculated

Channel Functions

	Channel A
Averaging	Cal Factor		Window Functions
			Window Functions
			Upper Window
Freq Dep	Channel	Duty	Math,A,B,A/B	Display
Offset	Offset	Cycle	Math,A,B,A/B	Display	Relative
		Limits	B/A,A-B,B-A	Offset
Recorder		Limits			Window
Recorder					Window
Output					Limits
Output

		Channel B
	Averaging	Cal Factor		LowerWindow
				LowerWindow
	Freq Dep	Channel	Duty	Math,A,B,A/B	Display	Relative
				B/A,A-B,B-A	Offset	Relative
				B/A,A-B,B-A	Offset
	Offset	Offset	Cycle			Window
			Limits			Window
	Recorder		Limits			Limits
	Recorder
	Output

HP E4419B User’s Guide

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HP Saw E4419B manual How Measurements are Calculated, Window Functions

Contents

HP Part no. E4419-90006 December User’s GuidePage Legal Information WarrantyCertiﬁcation Exclusive Remedies Limitation of WarrantyEquipment Operation Personal Safety ConsiderationsMarkings General Safety ConsiderationsIEC 1010-1 Compliance Installation InstructionsStatement of Compliance User EnvironmentSound Emission Regulatory InformationAustralian EMC Regulations HerstellerbescheinigungDeclaration of Conformity HP E4418B/E4419B Programming Guide is shipped as standard List of Related PublicationsHP E4419B Options Available AccessoriesAbout this Guide Table of Contents Page HP-IB Page List of Figures Contents-6 HP E4419B User’s Guide List of Tables Contents-8 HP E4419B User’s Guide Getting Started Introduction Connect the power cord and turn on the power meter Turning On the Power MeterConnect the power sensors Set the display contrast if requiredHardkeys relating to the display layout Front Panel at a GlanceDedicated Window hardkeys with softkey menus System/Inputs hardkey with softkey menuDedicated Channel hardkeys with softkey menus Channel InputsArrow hardkeys Power REF OutputMenu related hardkeys SoftkeysDisplay Layout Cal CFxxx.x% Xxx.xyHza Nn,a Reference Upper Lower Number Display LineHP E4419B User’s Guide Selecting Your Display Layout Display Tutorial HP E4419B User’s Guide Wait Symbol Window SymbolsConﬁrmation Window Numeric or Alphanumeric Entry Window N Entry WindowRear Panel at a Glance Serial Label Ground ConnectorRmt I/O Adjusting the Carrying Handle Rack Mounting the Power Meter Rack Mounting the Power Meter Power Meter Operation Power Meter Operation Battery Status Battery Operation OptionGeneral Information Running TimeBacklight Charging TimesBattery Removal/Replacement Battery Removal/Replacement Zeroing the Power Meter Zeroing and Calibrating the Power MeterWhen to Zero? Zero/Cal LockoutCalibration Procedure Using HP E-Series Power Sensors Calibrating the Power MeterExample Calibration Procedure using HP 8480 Series Power SensorsV8486A and W8486A sensors Models Zeroing and Calibrating the Power Meter Sensor Connection Requirements Model TTL Inputs Control Logic Operation Zeroing and Calibrating Using TTL InputsTiming of zero/cal inputs for conditions 01 TTL Input Timing DiagramTiming of zero/cal inputs for condition TTL Inputs Timing DiagramProcedure Making Measurements with the HP E-Series Power SensorsFreq . Use Making Measurements with the HP 8480 Series Power Sensors Zero a Cal Cal Fac . Use Selecting a Sensor Calibration Table Making Measurements using Sensor Calibration TablesSensor Tbls Screen Making the MeasurementEditing Sensor Calibration Tables Edit Cal Screen Making Measurements using Sensor Calibration Tables You can only edit the table name you cannot delete it Default R8486A HP 8487A Selecting a Frequency Dependent Offset Table Making Measurements using Frequency Dependent Offset TablesOffset Tbls Screen Editing Frequency Dependent Offset Tables Edit Screen You delete the frequency the equivalent offset is also Setting the Units of Measurement Selecting Units of Measurement from the Softkeys Making Relative Measurements Setting the Resolution Setting Channel Offsets Setting OffsetsSetting Display Offsets Effect of Offsets on a Channel Measurement Setting Averaging 10 Averaged Readings Step Detection 11 Pulsed Signal Measuring Pulsed SignalsTo set the duty cycle Press Setting Channel Limits Setting Measurement Limits12 Limits Checking Application Setting Window LimitsRange of Values for Window Limits Max Min Default Units 14 Remote I/O TTL Outputs Checking for Limit Failures 15 Pass/Fail Limit Indicators Channel Measurements Making Difference Measurements Making Ratio Measurements 16 Digital Display Selecting a Digital or Analog DisplayDisplay Format Selecting a Digital or Analog Display Setting the Range HP-IB Address Conﬁguring the Remote InterfaceRS232/RS422 RS232/422 ConnectorSetting the RS232/422 Parameters Remote Interface Overview 20 Interface Overview Examples Programming Language Selection Recorder Outputs 21 Test Setup for Recording Swept MeasurementsLeveling a Source Output Saving and Recalling Power Meter Conﬁgurations 22 Save/Recall Screen Window Functions How Measurements are CalculatedPreset Conditions Presetting the Power MeterOffset is set to 0.000 dB Is set to Off HP E4419B User’s Guide Self Test Power On Self TestFront Panel Selection of Self Tests Conﬁdence Check Instrument Self TestRemote Testing Test Descriptions Calibrator Option 001 BatteryKeyboard Front Panel only DisplayBitmap Display Front Panel only Replacing the Power Line Fuse Operator MaintenanceBefore calling Hewlett-Packard Contacting Hewlett-PackardInstrument serial numbers Check the BasicsOPT Asia Paciﬁc Sales and Service OfﬁcesJapan Canada Switzerland 01 735 South Africa 011 806United Kingdom 01344 366 Latin AmericaPackage the Power Meter For Shipment Returning Your Power Meter for ServiceHP E4419B User’s Guide Menu Reference Menu Reference DBm/W Menu Front Panel Menu MapsFrequency/Cal Fac Menu Meas Setup Menu Save/Recall Menu Rel/Offset MenuAuto System Inputs Menu 1000W System Inputs Menu 2Scpi System Inputs Menu 3System Inputs Menu 4 Zero/Cal Menu Front Panel Menu Reference Freq Cal Fac Cal Fac Front Panel Menu Reference Meas/Setup Menu Meter Dgtl Anlg TTL Output Front Panel Menu Reference More, Preset/Local, Prev Keys Rel Save HP-IB RS422 RTS/CTS Echo Freq Dep Offset Linearity ATyp DTyp and B Linearity ATyp DTyp Duty Cycle Commonly used for troubleshooting. The default is Off Press this softkey to return to the System/Inputs menu Press this softkey to run a test on the internal cooling fan Serial Interface Set Contrast Backlight On Zero B Off Diagrammatical Hardkeys Is implemented in the selected window HP E4419B User’s Guide Error Messages Error Annunciator Position Error List then Clear Errors Error Messages Invalid character in number Undeﬁned headerExponent too large Too many digitsInvalid string data Character data not allowedString data not allowed Invalid block dataSettings conﬂict Parameter errorFrequency list must be in ascending orderSettings conﬂictDTR/DSR not available on RS422 Trigger deadlockData corrupt or stalePlease zero and calibrate Channel a Data questionableCAL Error ChAData corrupt or stalePlease zero and calibrate Channel B Data corrupt or stalePlease zero Channel aData questionableLower window log error Data questionableCAL Error ChBData questionableUpper window log error Data questionableZERO Error ChASystem errorDetector Eeprom Read Failed critical data not System errorCh B Dty Cyc may impair accuracy with ECPSystem errorDetector Eeprom Read Completed OK but System errorDetector Eeprom Read Failed unknownSelf-test FailedMeasurement Channel B Fault Self-test FailedMeasurement Channel a FaultSelf-test FailedOption 001 Battery requires replacement Self-test FailedRAM Battery FaultParity error in program Self-test FailedSerial Interface FaultFraming error in program Queue overﬂowSpeciﬁcations Speciﬁcations Meter Power Meter SpeciﬁcationsAccuracy Zero Set Speciﬁcations Power SensorInstrumentation Power Output Power ReferenceAccuracy Connector Power Meter Supplemental CharacteristicsMeasurement Speed FrequencyMeasurement Noise Zero Drift of SensorsNoise Multiplier Number AveragesZero Drift Measurement Noise Power Sensor SpeciﬁcationsNormal Mode X2 Mode For HP 8480 series power sensorsSettling Time Settling Time NumberFor HP E-series power sensors Normal Mode X2 Mode Maximum dBm Deﬁnitions Zero Set Power Sensor SpeciﬁcationsZero Drift Measurement NoiseBattery Option 001 Operational Characteristics Rear Panel Connectors General CharacteristicsGeneral Conditions Environmental CharacteristicsOperating Environment Storage ConditionsWeight DimensionsSafety GeneralNon-Volatile Memory BatteryHP-IB Compatibility HP E4419B User’s Guide Index Index-2 HP E4419B User’s Guide HP E4419B User’s Guide Index-3 Index-4 HP E4419B User’s Guide HP E4419B User’s Guide Index-5 Index-6 HP E4419B User’s Guide HP E4419B User’s Guide Index-7 Index-8 HP E4419B User’s Guide