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Agilent Technologies 53150A manual Press the Shift key, and then press the dBm/W Display Power key

Models: 53151A 53150A 53152A

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2Press the Shift key, and then press the dBm/W (Display Power) key.

Chapter 2 Operating Your Frequency Counter

Measuring Power

2Press the Shift key, and then press the dBm/W (Display Power) key.

When you press the Shift key, the Shift annunciator is activated. When you press the dBm/W (Display Power) key, the Shift annunciator goes off, and

the units of measurement annunciator group to the right of the digital power measurement changes from dB or dBm to W, mW, or ∝W, as shown below:

Ch 12
Rel Freq
	dB
	dBm
Rel Pwr	Watts
Rel Pwr	mW

uW

%

NOTE	When the power of a signal applied to the Channel 2 input exceeds the
	maximum rated power for the instrument, the Counter displays HI.

2

Operating Guide

2-25

Image 79

Agilent Technologies 53150A, 53152A manual Press the Shift key, and then press the dBm/W Display Power key, Measuring Power

Contents

Agilent 53150A/151A/152A Microwave Frequency Counter Operating GuideSafety Considerations General Certification and Warranty CertificationWarranty For detailed warranty information, see back matterContents Getting Started2 Operating Your Frequency Counter A Rack Mounting the Counter 3 SpecificationsMessages C Using the Battery OptionIn This Guide In This Guide Contents and OrganizationIndex In This Guide Related Documents200 Application Notes Repair Instrument Yourself Types of Service Available if Instrument FailsStandard Repair Services Worldwide Express Repair/Performance Calibration Service USA OnlyAgilent suggests that you always insure shipments Repackaging for ShipmentIn This Guide In This Guide Description of the Microwave Frequency CounterRetrofit OptionsHardware SupportAgilent 53150A/151A/152A Assembly-Level Service Guide Agilent P/N Accessories Supplied and AvailableAccessories Supplied Accessories AvailableQuick Agilent 53150A/151A/152A Quick Reference GuideReference Quick ReferenceRATE QR-1Agilent 53150A/151A/152A Frequency Counter RATEQuick QR-2Reference Getting Started 20 19 18 17 16 15 The Front Panel at a GlanceChapter 1 Getting Started The Front Panel at a GlanceThe Front Panel Indicators at a Glance The Front Panel Indicators at a GlanceOperating Guide The Front Panel Menus at a GlanceThe Front Panel Menus at a Glance Chapter 1 Getting StartedRel Freq The Display Annunciators at a GlanceThe Display Annunciators at a Glance Chapter 1 Getting StartedThe Display Special Characters at a Glance The Display Special Characters at a GlanceChapter 1 Getting Started The Rear Panel at a GlanceThe Rear Panel at a Glance The Auxiliary connector is not installed on standard production unitsOperating the Counter Operating the CounterPress key one Operating the CounterError Turning the Counter On1-10 POWEROperating the Counter Turning the Display Backlight Off or OnClear Operating the Counter Using the MenuNavigating in the Menu and Changing Settings Displaying the MenuShift Menu Operating the CounterEnter Operating the Counter When you press the right-arrow key, the flashing annunciatorChapter 1 Getting Started Setting the Serial Port Baud Rate Menu Example1-15 Reset LocalOperating the Counter Selecting the Input Channel1-16 Chapter 1 Getting StartedOperating the Counter Measuring FrequencyOperating the Counter 2. Avoid dropping or striking either portion of the connectorOperating the Counter Measuring Relative FrequencyOperating the Counter Offsetting a Frequency MeasurementOperating Guide 1-21Chapter 1 Getting Started Operating the CounterDisplay Power Measuring Power Channel 2 OnlyOperating the Counter Operating the Counter Selecting the Unit of Measurement for PowerdBm/W Offsetting a Power Measurement Measuring Relative PowerOperating the Counter Operating Guide 1-25Chapter 1 Getting Started Operating the CounterPower Correction Theory of Operation Using Power CorrectionOperating the Counter Operating the Counter Increasing Profile AccuracyEntering Data Points in a Power-Correction Profile Selecting a Power-Correction ProfileOperating the Counter Operating the Counter 1-29Reset Local Chapter 1 Getting StartedOperating Guide 1-30Chapter 1 Getting Started Operating the CounterOperating the Counter the measurement display. To remain in the Power Correction menu so youOperating the Counter Setting the Measurement Rate1-32 Chapter 1 Getting StartedOperating the Counter Setting the Number of AveragesEnter Enter Operating the Counter Setting the ResolutionOperating Guide 1-35Chapter 1 Getting Started Operating the CounterOperating Guide 1-36Chapter 1 Getting Started Operating the CounterOperating Your Frequency Counter Chapter Summary IntroductionIntroduction How this Counter Works for You How this Counter Works for YouSummary of the Measurement Sequence Summary of the Measurement SequenceUsing the Selection Keys Using the Selection KeysSequencing Through the Menu Using the Selection Keys Numeric EntryUsing the Selection Keys Changing StatesPress the up- or down-arrow key to cycle through the available choices Using the Selection KeysUsing the Clear and Reset/Local Keys Using the Clear and Reset/Local KeysAcknowledging Messages Other Function Selection Keys Other Function Selection KeysRelative frequency measurement Rel Freq. Press Shift, and then press the Rel Freq Offset On/Off key to measure the difference in frequency between the current measurement and the measurement taken at the time you pressed the Rel Freq key drift Other Function Selection Keys3 Connect an input signal to Channel 1 Connect the Counter to a power source, and set theMain ~ Power switch on the back panel to 1 on 2 Press the POWER button on the front panelmaximum rated frequency for the instrument, the Counter displays Measuring FrequencySetting the Resolution and Measurement Rate Setting the Resolution and Measurement RateSetting the Resolution 1 Press the Resol key to enter the resolution-setting mode Resolution Setting ExampleSetting the Resolution and Measurement Rate Setting the Resolution and Measurement Rate Rate Setting Example1 Press the Rate key to enter the rate-setting mode Setting the Measurement Rate1 Press the Avg key to enter the averages-setting mode Setting the Number of AveragesAverages Setting Example Setting the Number of AveragesNote that the tens and units values are set separately Setting the Number of AveragesIn certain situations, the length of time that the AVERAGING message is displayed can be affected by additional factors. When you are measuring frequency, the current resolution setting, the rate setting, and the quality of the signal all affect the length of time required to make the measurements and complete the average computation Setting the Number of AveragesRelative Frequency Example Measuring Relative FrequencyMeasuring Relative Frequency 2 Press the Shift key, and then press the Freq Offset Rate key Offsetting a Frequency MeasurementOffsetting a Frequency Measurement Frequency Offset Exampleoffset-entry display 5 Press the Enter key to confirm the offset value and exit theOffsetting a Frequency Measurement Offsetting a Frequency Measurement 6 Press the Offset On/Off keyRel Freq 1 Press the Display Power key to enable power measurement Measuring PowerPower Measurement Example Measuring PowerMeasuring Power 2 Press the Shift key, and then press the dBm/W Display Power keyRelative Power Example Measuring Relative PowerMeasuring Relative Power Power Offset Example Offsetting a Power MeasurementOffsetting a Power Measurement displays HI in the power display when the Power Offset function is in the power-offset display that you need to adjust to enter theoffset value, and then use the up- and down-arrow keys to adjust that you can change the value of the flashing digit using the up- andOffsetting a Power Measurement 6 Press the Offset On/Off key in the POWER area of the front panelRel Freq Using Power Correction Using Power CorrectionUsing Power Correction Power Correction Theory of OperationIncreasing Profile Accuracy Power Correction ExamplesUsing Power Correction For this example, choose profile number Power Correction Example Selecting a Correction Profile1 Press the Shift key, and then press the Menu Reset/Local key 3 Press the right-arrow key onceUsing Power Correction 5 Press the Enter key to select profile number2 Press the right-arrow key Power Correction Example Editing Data Point ValuesUsing Power Correction 3 To insert values in an empty data point, press the up- and/or down-arrow key repeatedly to cycle through the data points in the selected profile to locate one that contains values of 0.0 for both loss and frequency Using Power Correction6 Use the right-arrow key to move to each of the remaining digits in the frequency setting, and use up- and down-arrow keys to adjust their values, if necessary Using Power Correctionprofile are sorted by frequency and stored in that order. Therefore Using Power CorrectionUsing the Menu Using the MenuDO SELF TEST - Starts the sequence of built-in tests Using the MenuUsing the Menu Navigating in the Menu and Changing SettingsSAVE - Saves a copy of the current user settings in non-volatile memory. Nine sets 0 - 8 can be saved, and set 0 is automatically read on startup. To have the Counter automatically start up with your preferred settings, save these settings in set Using the Menu Reference Oscillator REF OSCModel Number, Firmware Version, Serial Number, and Option Codes Battery Voltage BATT VOLTAGEDo Self Test Operating Hours OP HOURSVVV is the version number of the Counter’s firmware, and XX, YYY, and ZZZZ are other numerical codes that are reserved for Agilent internal use. The flashing annunciators at either end of the first line of the display indicate that you can use the equivalent arrow key to scroll left and/or right to the next field of information Using the MenuUsing the Menu PresetTable 2-1. Factory Default Function Settings 2-45RS-232 Serial Port Data Rate BAUD Recall User Settings RECALLSave User Settings SAVE Power Correction PWR CORRSpecifications Operating Guide Chapter 3 SpecificationsIntroduction IntroductionAcquisition Time 1 MHz FM rate Measurement Specifications and CharacteristicsChapter 3 Specifications Operating Guidesee graphs for typical data Chapter 3 SpecificationsOperating Guide Emissions “kickback noise”Graph 0 dBm and −20 dBm input Chapter 3 SpecificationsOperating Guide Graph −10 dBm input level at 25CGraph −25 dBm input level at 25C Graph −25 dBm input level from Typical* power measurement uncertainty at −25 dBm input levelChapter 3 Specifications Operating GuideInternal Timebase Stability Accessories SuppliedAccessories Available TimebaseOperating Guide Chapter 3 SpecificationsRack Mounting the Counter Rack Mounting the Counter Rack Mounting the CounterRack Flange Panel Filler Adapter AssemblyAppendix A Rack Mounting the Counter Rack Mounting the CounterRack Mounting the Counter Messages Table 3-1. Status Messages OverviewStatus Messages OverviewAppendix B Messages Self-Test MessagesSelf-Test Messages Table 3-2. Self-Test MessagesError Messages Error MessagesTable 3-3. Error Messages Message Error Messages Table B-3. Error Messages continuedAppendix B Messages Operating GuideAppendix B Messages Error MessagesOperating Guide Using the Battery Option Overview Battery Charge IndicatorFigure C-1. Battery Charge Level Indicator Operating the Counter from the BatteriesOperating the Counter from a DC Power Source Operating the Counter from a DC Power SourceReplacing the Batteries Figure C-2. External DC Power SocketReplacing the Batteries Removing the BatteriesReplacing the Batteries Installing BatteriesFigure C-3. Removing and Installing Batteries Battery chamberBattery sled 3 Battery terminalsReplacing the Batteries Charging the Batteries Charging the BatteriesPrecautions PrecautionsOperating Guide C-10Appendix C Using the Battery Option PrecautionsIndex-1 SYMBOLSIndex IndexOperating Guide IndexIndex-2 IndexOperating Guide Index-3Index IndexOperating Guide Index-4Index IndexOperating Guide Index-5Index IndexOperating Guide Index-6Index IndexOperating Guide Index-7Index IndexOperating Guide Index-8Index IndexUsing the Menu Using the Selection Keys Index-9user setting Using Power Correction, 2-30 Using the Clear and Reset/Local KeysOperating Guide Index-10Index Indexcalling Service and SupportContinued from front matter Warranty cont’dSafety Considerations cont’d Electrostatic Discharge Immunity TestingSanta Clara, California U.S.A DECLARATION OF CONFORMITYManufacturer’s Name Manufacturer’s Address 5301 Stevens Creek BlvdDC.fm Page 2 Monday, July 22, 2002 1051 AM