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HP Cable Box 8591C manual Making Basic Measurements Using Spectrum Analyzer Mode

Models: Cable Box 8591C

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Error codes After Zooming In on the Signal Default Config Ondelay Warranty I n t Config If You Have a Problem Service Diagnostic Functions Front-Panel Key Access fj%i%%$ Command

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4

Making Basic

Measurements Using

Spectrum Analyzer Mode

Page 161 Page 163

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HP Cable Box 8591C manual Making Basic Measurements Using Spectrum Analyzer Mode

Page 161 Page 163

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Contents

HP 8591C Cable TV Analyzer Spectrum Analyzer Reference Regulatory Information 111 Limitation of Warranty Exclusive Remedies Assistance Safety Notes General Safety Considerations HP 8591C Cable TV Analyzer Documentation Description Options How to Order Manuals Contents Getting Started Page Making Basic Measurements Using Spectrum Analyzer Mode Spectrum Analyzer Mode Key Descriptions Contents-6 Figures Contents Contents Tables Preparing For Use What You’ll Find in This Chapter Introducing the HP 8591C Cable TV Analyzer Preparing For Use Preparing Your Cable TV Analyzer for Use Output is connected to EXT REF Initial Inspection E p a r i n g F o r U s e Power Requirements Setting the Line Voltage Selector Switch Figure l-2. Setting the line Voltage Selector Switch Checking the Fuse Checking the Line Fuse T E Power Cable 81x-5182 Reference Connector Turning on the Analyzer for the First Time Turning on the Analyzer for the First Time Performing the Tracking-Generator Self-Calibration Routine CAL StoreCAL TRK GEN Preparing For Use Printing Using an RS-232 Interface Printing or Plotting Interconnection and Printing Instructions Turn off the cable TV analyzer and the printerPress @%?@, Print Conf fg Preparing For Use Preparing For Use Preparing For Use Plotting Using an RS-232 Interface Interconnection and Plotting InstructionsTurn off the cable TV analyzer Preparing For Use Printing or Plotting Description Printing Using an HP-IB Interface Down Preparing For Use Preparing For Use Preparing For Use Plotting Using an HP-IB Interface Paw Disconnect or turn off the computer Pen Description Number Printing Using a Parallel Interface Preparing For Use T E Preparing For Use Plotting to an HP LaserJet Printer Turn off the spectrum analyzer Printing after Plotting or Plotting after Printing Electrostatic Discharge Reducing Damage Caused by ESD Electrostatic Discharge Getting Started Getting Started Front-Panel Features Getting Acquainted with the Analyzer Getting Started U T I O N Getting Started Rear-Panel Features Option 011 only Option 107 only Getting Started Data Controls T E Adjusting the Fine Focus Screen Annotation Screen Annotation Sweep Mode MKR, l-1, MKRFCTN, or Menu and Softkey Overview Making a Measurement Frequency Reference Level Getting Started Measurement Summary Reading the Amplitude and Frequency Improving Accuracy with Self-Calibration Routines Warm-Up Time Improving Accuracy with Self-Calibration Routines Getting Started Getting Started CAL Store When Is Self-Calibration Needed? Memory Card Insertion and Battery Replacement Inserting the Memory Card Changing the Memory Card Battery Procedure to Change the Memory Card Battery Memory Card Battery Replacement Analyzer Battery Information 10. Rear-Panel Battery Information label Using Spectrum Analyzer Features What You’ll Learn in This Chapter Spectrum Analyzer Using the Internal Preamplifier Use the Marker Table to List All the Active Markers Marker Table Display Using Spectrum Analyzer Features Use the Peak 7Jhble to List the Displayed Signals Peak Table Display Use the Peak Table to List the Displayed Signals Saving and Recalling Data from Analyzer Memory To Save a State To Recall a State Internal To Save a Trace To Recall a Trace Press Trace + Intrril This accesses a menu with Limit Lines To Save a Limit-Line Table or Amplitude Correction FactorsAMP CDR To Recall Limit-Line lkbles or Amplitude Correction Factors To Protect Data From Being Overwritten Internal + State Saving and Recalling Data from the Memory Card Catalog Prefix Preparing the Memory Card for Use Using Spectrum Analyzer Features To Enter a Prefix To Save a State To Recall a State To Save a Trace To Recall a Trace To Save a Display Image To Recall a Display Image To Save Limit-Line l%bles or Amplitude Correction Factors To Recall Limit-Line lhbles or Amplitude Correction Factors AMP COR Saving and Recalling Programs with a Memory Card ALL DLP + Card To Save a Program To Recall a Program Trace Center Using Limit-Line Functions Procedure for Creating an Upper Limit Line VI0 Using Spectrum Analyzer Features Using Spectrum Analyzer Features Completed limit-line Table Creating a limit line Limit-Line FunctionsUsually used Currently exists this will allow you to create one Using limit-line Functions Using limit-line Functions T E Limit-line Segments Description of Items in Figure T E Demonstrates the different segment types CT6 Using Limit4ine Functions Procedure for Creating an Upper and Lower Limit Line Flat Upper and lower limit-line Testing Learn About the Analog+ Display Mode Uew I IHZ Learn About the Windows Display Center Learn About the Windows Display Using Spectrum Analyzer Features Learn How to Enter Amplitude Correction Factors A N Procedure for Creating Amplitude-Correction Factors Select Freq Clear Write a View a Clear Write Amplitude-Correction Functions 13. Amplitude-Correction Points Using Spectrum Analyzer Features Using Spectrum Analyzer Features External Keyboard External Keyboard Functions Key @RsEmJ External Keyboard Using the External Keyboard Timedate OM OFF OFF T E Making Basic Measurements Using Spectrum Analyzer Mode Making Basic Measurements Using Spec- trum Analyzer Mode Learn in This be1owPage Making Basic Measurements Using Spectrum Analyzer Mode Resolving Signals of Equal Amplitude Page Signal Resolution with a 10 kHr Resolution Bandwidth Signal Resolution with a 30 kHz Resolution Bandwidth Page Using the Marker Counter Cpeak S E a R C H After Zooming In on the Signal Maximum Hold and Minimum Hold Functions Press PRESET, FREQUENCY, 100 MHz, ISPAN, 20 m Using Marker Tracking to Track an Unstable Signal Viewing an Unstable Signal Using Max Hold a Ii JUL 29 MKA-TRK 100 963 MHZ Comparing Signals Using Delta Markers 11. Placing a Marker on the CAL OUT Signal Marker 13. Using the Marker to Peak/Peak Function I i i i i i Marker ALL OFFPage 15. low-level Signal MARKER-CF 16. Using 0 dB Attenuation Auto ALL 17. Decreasing Resolution Bandwidth Making Basic Measurements Using Spectrum Analyzer Mode Video BW Making Basic Measurements Using Spectrum Analyzer Mode 19. Using the Video Averaging Function VID AVG OM OFF on Distortion from the Analyzer III II 11 1 l l Making Basic Measurements Using Spectrum Analyzer Made 21. RF Attenuation of 10 dB 22. No Harmonic Distortion 23. Third-Order Intermodulation Equipment Setup Third-Order Intermodulation Distortion Making Basic Measurements Using Spectrum Analyzer Mode 24. Measuring the Distortion Product Using the Analyzer As a Receiver in Zero Frequency Span 25. Viewing an AM Signal 26. Measuring Modulation In Zero Span Making Measurements Using Spectrum Analyzer Mode Making Measurements Using Spectrum Analyzer Mode Page Making Measurements Using Spectrum Analyzer Mode T E Making Measurements Using Spectrum Analyzer Mode Making Measurements Using Spectrum Analyzer Mode Making Measurements Using Spectrum Analyzer Mode I7 c Making Measurements Using Spectrum Analyzer Mode Making Measurements Using Spectrum Analyzer Mode Stimulus-Response Measurements What Are Stimulus-Response Measurements? Spectrum Analyzer Tracking Generator Using a Spectrum Analyzer With a Tracking Generator Transmission Measurement Test Setup Stepping through the Measurement Tracking-Generator Output Power Activated Full Spqn Zero Span Last Span Decrease the Resolution Bandwidth to Improve Sensitivity Manual Tracking Adjustment Compensates for Tracking Error Tracking Peak T E Normalized Trace Tracking Generator Unleveled Condition Demodulating and Listening to an AM or FM Signal 11. Demodulation of an FM Signal Marker +CF 12. Continuous Demodulation of an FM Signal Triggering on a Selected Line of a Video Picture Field Center 14. Triggering on an Even Field of a Video Format 15. Time-Gate Utility Display Making Measurements Using Spectrum Analyzer Mode Gate Utility Making Measurements Using Spectrum Analyzer Mode Making Measurements Using Spectrum Analyzer Mode T E Introducing the Time-Gated Spectrum Analyzer Capability When the time gate will be actively viewing Gtpos LOG WC FC Corr Making Measurements Using Spectrum Analyzer Mode Page Setting Comments Example of a Time-Gated Pulsed RF Signal Page Pulse Generator #l 20. Setting the Center Frequency, Span, and Reference level 21. Setting the Sweep Time Making Measurements Using Spectrum Analyzer Mode Gate LENGTH, 13 @ 23. Using Time-Gating to View Signal 24. Placing the Gate Output During the Second Signal 25. Viewing Both Signals with Time-Gating 26. Gate Not Occurring During the Pulse ‘E E Length Bandwidth Frequency PRF CAL Store Sweepsens Making Measurements Using Spectrum Analyzer Mode 30. Gate On 31. Using the level Gate Control Page DB Bandwidth Measurement 32. N dB Bandwidth Measurement DB Bandwidth Measurement Percent Amplitude Modulation Measurement 33. Percent Amplitude Modulation Measurement Percent Amplitude Modulation Measurement Where the frequency of distortion product a is Third Order Intermodulation Measurement 34. Third-Order Intermodulation Measurement Making Measurements Using Spectrum Analyzer Mode Page Occupied Bandwidth and Transmitter Frequency Error 35. Occupied Bandwidth Adjacent Channel Power Ratio ACP Adjacent Channel Power 37. Adjacent Channel Power Extended T E Channel Power Measurement 39. Channel Power 40. Channel Power Graph Spectrum Analyzer Mode Key Descriptions Spectrum Analyzer Mode Key Descriptions CAL Timerase Edit Flatness Execute Title Exit Service FunctionsService Calibration Functions Idnum Init FLT SET Attn Error Stor PWR on Units Service Diagnostic Functions Following diagnostic softkeys Option 011 only Service Functions Spectrum Analyzer Mode Functions AI4On OFF Lock on OFF KHz EM1 BW 120 kHz Fbr Option 130 only + a on OFF Abcdef ADJ Chan ADJ Chan PWR extd Spectrum Analyzer Mode Key Descriptions ALC Test ALL DLP --t Card Amp Cor AMP COR AMP C5R On OFF Amptd I t s ANALOG+ on OFF Front-Panel Key Access jD’spLAy-1 MKR CNT on OFF MK Pause on OFF MAX Bold a MAX Hold B Apnd CAT Item Option 021 only Atten T O C O U P L E Aux Corm Corl~rol Auxb Default Config Baud Rate Binary Span Blank a Blank B Blank C Card CAL Fetch CAL Card Conf ig Display Card + DLP + State Spectrum Analyzer Mode Key Descriptions Catalog AMP COR Front-Panel Key Access @iTTiE or Save Memory Card Catalog Information Title Description Catalog VARIABLS, Catalog PREFIX, Catalog DLP Analyzer Memory Catalog Information Atalog LMT Line Onswp OndelayOneos Trmath Front-Panel Key Access I-1 or Isave Command Catalog on Event Display Front-Panel Key Access mj or Save Catalog Trdef Change P r e f i Spectrum Analyzer Made Key Descriptions Channel Channel Spacing Clear Write a Clear Write B Clear Write C Cntl a 0 Cntl I3 0 Cntl C 0 Cntl D 0 Coarse ConfCont Series and L-Series Spectrum Analyzers and HP 8591C Spectrum Analyzer Mode Key Descriptions Draws trace B Copy DEV Prnt PLT Correct on OFF CRT Vert Position Dacs DBmV Default Sync Define Coupling F i n e Gate Time Option 107 on Front-Panel Key Access m or lsAVEJ Delete Dehod AM FM Detector PK SP NG Display CAL Data Front-Panel Key Access fj%i%%$ Display --f CardDisplay Cntl Done Droop DSP Line on OFF Dwell Time I t Edit Done Flatness Edit Last I t Lower Mid/Delt I t UPPer I t o r Enter PRI Enter REF Edge Width Erase DLP MEM Front-Panel Key Access GGiZ Erase TraceallTrcmem EP LQ570 SML LRG EP FIX80 SHOWremoves the screen annotation left after pressing Show Optioms Spectrum Analyzer Mode Key Descriptions FFT FFT OFF FFT Stop Freq Fine Tibg DAC A t n e s s Data FM Coil Drive FI4 GainFM Offset FM Span Format Card Free RUN Freq Diag Freq Disc Norm OFF Freq Offset Gale N t r o l Gate CTL Edge LVL Option 107 on Ly Gate on OFF Gate Utility GHI JKL Grat On OFF Hold HP B&W Printer Idnum Init FLT Input Z 5oi-l ml Internal Card Internal + State Last Span Limit N e sLimit Lines Lippits FIX REL Spectrum Analyzer Mode Key Descriptions Limits FRQ Time Line Lpit Disp Y N Auto Load File Catalog TRACES, Catalog PREFIX, Catalog DLP Rain Span Marker # on OFF Option 011 on Front-Panel Key Access MKR or Cpeak Search Marker a Marker A-SPAN MARKER+ Auto FFT Marker 4F Step Marker +REF LVL Front-Panel Key Access j-1, ?XiGj, orMARKER+ FFT Stop MARKER-+ MID Scrn MARKER-, Miwimum Marker -START Marker Marker -4F, Marker +REF LVL , Marker -&F StepMAX MAX Hold B MAX MXR \TL Meas OFF HP 8590 E-Series and L-Series Spectrum Analyzers MEM Locked MIN Hold C MK Noise on DFF MK Pause on OFF MK Trace Auto ABC Mnopqr DB PTS on OFF Next Peak Next PK Left Next PK Right Menu Ntsc Spectrum Analyzer Mode Key Descriptions Spectrum Analyzer Mode Key Descriptions Paintjet Printer PAL PAL-M Peak Front-Panel Key Access Cpeak S E a R C H 108 Peak Zoom PK Node DL NH4 PK Table on OFF O t Conf ig PLTS/PG 1 2 PLT-LJT On OFF Point Power Menu Front-Panel Key Access Config 111 112 HP 8591C 900 MHz GHz S /auto-coupled 114 12. Preset Conditions for All Models 115 116 I n t Config L s e ParaIti Purge Limits PWR SWP on OFF Recall AMP COR REF LVL Spectrum Analyzer Mode Key Descriptions Front-Panel Key Access Isave 123 RPG TitleSAV Lam Spectrum Analyzer Mode Key Descriptions Save Edit Save Limit Scale LOG LIN SECAM-L Select 1 2 3 Select Select Segment Select Type R v i c e Cal R v i c e Diag Set Colr P r i n t e r SET Options Signal 133 Single FFT Single ME AS Slope Ispan or SpanSpeaker On OFF Spectrum SRC PWR STP Size Start State + Card Stop State + Intrnl Sweep Delay Sweep Cont SGL WE’ Cplg SR SA NRM PAL Table dDL NRM Time Date TO1 On OFF Trace Trace a Trace B Trace C Spectrum Analyzer Mode Key Descriptions A c e N t r n l Track Gen Tracking Trig TV Trig TV Trig Even FLD TV Trig Vert INT Spectrum Analyzer Mode Key Descriptions 152 Video View BView Watts YZ,# s p c C l e a rZero Marker Span Center PK Left Spectrum Analyzer Mode Key Descriptions Key Menus Key Menus Key Menus Key Menus Key Menus Spectrum Analyzer Mode Functions ElCOPY Key Menus Spectrum Analyzer Mode Functions MKR MARKERNcm.ML Spectrum Analyzer Mode Functions MKR Spectrum Analyzer Cable TV ANALYZER- TV Receiver ~ Key Menus Key Menus Key Menus Page ElSGL ClSPAN Trace Key Menus If You Have a Problem If You Have a Problem Calling HP Sales and Service Offices Before You Call Hewlett-Packard Check the basics If the display position is offset If you suspect the analyzer configuration is wrongDefault Config Default Config CRT W&T Position If the analyzer measurements appear inaccurate Cqnf Test If the calibration routines cannot be performed If the calibration data is corruptIf the display is scrambled Default CAL Data How to Call Hewlett-Packard US Field Operations Returning the Cable TV Analyzer for Service Package the cable TV analyzer for shipment Returning the Cable TV Analyzer for Service Error Messages ADC-TIME Fail ADC-2V FailADC-GND Fail CAL Data not Stored CAL AMP Needed CAL RES BW Ampl Fail CAL Signal not FoundCAL Passcode Needed CAL Span Sens Fail CAL Using Default Data CAL Zero FailConf Test Fail Empty DLP MEM Freq Uncal Invalid Actdef Invalid Card Data ErrorInternal Locked Invalid Ampcor Freq Invalid Card Type Invalid Card DirectoryInvalid Card no Card Invalid Checksum Ustate Invalid HP-IB Operation REN True Invalid File no RoomInvalid HP-IB ADRS/OPERATION Invalid Item Invalid Repeat Nest Level Invalid Register NumberInvalid Repeat MEM Ovfl Invalid RS-232 Adrsoperation Invalid Vardef Invalid TracenameInvalid Value Parameter Invalid Window Type Meas Uncal Oven Cold POS-PK Fail Parameter ErrorPasscode Needed REF Unlock Setup Error RfpreselerrorRF Presel Timeout Signal not Found Table Full TG Signal not FoundStep GAIN/ATTN Fail TG Unlvl Undf KEY VID-BW Fail Options and Accessories Options and Accessories Tracking Generator Option 0 Carrying Case, Color Tan OptionHP-IB Interface Option 02 Front Panel Protective Cover Option TV Receiver/Video Tester OptionNoise Figure Card Option Narrow Resolution Bandwidths Option Rack Mount Kit without Handles Option Service Documentation Option 9 Rack Mount Kit With Handles OptionUser’s Guides and Calibration Guide Option AC Power Source RF Bridges External Keyboard HP-IB Cable Memory Cards Plotter RS-232 Cable PrinterRack Slide Kit Transit Case Glossary Glossary Ascii See memory card Cispr Correction factor Detector mode DLP FFT See FFT See time-gate HP-IB Glossary-13 Limit line Meas Uncal Measurement bandwidth Menu Noise marker Standard units of measure, which include the following See CRT persistence Refer to noise sidebands Trace A, B, or C of an analyzer. Refer also to trace Random-access memory Refer to frequency resolution See bandwidth selectivity Refer to bandwidth selectivity See noise sidebands One of the sine waves comprising a spectrum Spectrum analyzer Solving for sweep time TO1 Vector display Video filter Index Index Index-2 Index-3 Index-4 Index-5 Index-6 Index-7 Clear Write a Clear Write B Index-8 Gate CTL Edge LVL, 6-76 Gate on OFF Index-9 DAC Index Display Index FFT Stop, 6- 138 FREQUENCY, 2-4, 2-17 Gate on OFF Gate Output FFT, 6-133 IDNUM, 6-3 Gate Length Local -44 kLOCALZ,6-87 Marker ALL OFF Index Index-20 Index-21 Index-22 Index-23 Index-24 Index-25 Index-26 MEM Locked Index-27 Index-28 Index-29 Sweep Cont SGL Index-30 Index-31 Index-32 Index-33 Index-34 Fine Tune DAC, 6-5 YZ-# Spc Clear

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