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

Models: Cable Box 8591C

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Error messages 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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5

Making Measurements

Using Spectrum Analyzer

Mode

Page 200 Page 202

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

Page 200 Page 202

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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 Introducing the HP 8591C Cable TV Analyzer What You’ll Find in This Chapter Preparing For Use Output is connected to EXT REF Preparing Your Cable TV Analyzer for Use Initial Inspection E p a r i n g F o r U s e Power Requirements Figure l-2. Setting the line Voltage Selector Switch Setting the Line Voltage Selector Switch Checking the Line Fuse Checking the Fuse T E Power Cable 81x-5182 Turning on the Analyzer for the First Time Reference Connector Turning on the Analyzer for the First Time Performing the Tracking-Generator Self-Calibration Routine CAL StoreCAL TRK GEN Preparing For Use Printing or Plotting Printing Using an RS-232 Interface 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 Paw Plotting Using an HP-IB Interface Disconnect or turn off the computer Pen Description Number Printing Using a Parallel Interface Preparing For Use T E Preparing For Use Turn off the spectrum analyzer Plotting to an HP LaserJet Printer Printing after Plotting or Plotting after Printing Reducing Damage Caused by ESD Electrostatic Discharge Electrostatic Discharge Getting Started Getting Started Getting Acquainted with the Analyzer Front-Panel Features Getting Started U T I O N Getting Started Option 011 only Rear-Panel Features 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 Reading the Amplitude and Frequency Measurement Summary Warm-Up Time Improving Accuracy with Self-Calibration Routines Improving Accuracy with Self-Calibration Routines Getting Started Getting Started CAL Store When Is Self-Calibration Needed? Inserting the Memory Card Memory Card Insertion and Battery Replacement Changing the Memory Card Battery Procedure to Change the Memory Card Battery Memory Card Battery Replacement 10. Rear-Panel Battery Information label Analyzer Battery Information Using Spectrum Analyzer Features Spectrum Analyzer What You’ll Learn in This Chapter Using the Internal Preamplifier Marker Table Display Use the Marker Table to List All the Active Markers Using Spectrum Analyzer Features Peak Table Display Use the Peak 7Jhble to List the Displayed Signals Use the Peak Table to List the Displayed Signals To Save a State Saving and Recalling Data from Analyzer Memory Internal To Recall a State 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 Protect Data From Being Overwritten To Recall Limit-Line lkbles or Amplitude Correction Factors 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 AMP COR To Recall Limit-Line lhbles or Amplitude Correction Factors ALL DLP + Card Saving and Recalling Programs with a Memory 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 Usually used Limit-Line FunctionsCreating a limit line 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 Center Learn About the Windows Display Learn About the Windows Display Using Spectrum Analyzer Features A N Learn How to Enter Amplitude Correction Factors Procedure for Creating Amplitude-Correction Factors Select Freq Clear Write Clear Write a View a Amplitude-Correction Functions 13. Amplitude-Correction Points Using Spectrum Analyzer Features Using Spectrum Analyzer Features External Keyboard Functions External Keyboard @RsEmJ Key External Keyboard Timedate OM OFF OFF Using the External Keyboard T E Making Basic Measurements Using Spectrum Analyzer Mode Learn in This be1ow Making Basic Measurements Using Spec- trum Analyzer ModePage 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 11. Placing a Marker on the CAL OUT Signal Comparing Signals Using Delta Markers Marker 13. Using the Marker to Peak/Peak Function Marker ALL OFF I i i i i iPage MARKER-CF 15. low-level Signal Auto ALL 16. Using 0 dB Attenuation 17. Decreasing Resolution Bandwidth Making Basic Measurements Using Spectrum Analyzer Mode Video BW Making Basic Measurements Using Spectrum Analyzer Mode VID AVG OM OFF on 19. Using the Video Averaging Function III II 11 1 l l Distortion from the Analyzer Making Basic Measurements Using Spectrum Analyzer Made 21. RF Attenuation of 10 dB 22. No Harmonic Distortion Third-Order Intermodulation Distortion 23. Third-Order Intermodulation Equipment Setup 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 What Are Stimulus-Response Measurements? Stimulus-Response Measurements Spectrum Analyzer Tracking Generator Using a Spectrum Analyzer With a Tracking Generator Stepping through the Measurement Transmission Measurement Test Setup Tracking-Generator Output Power Activated Full Spqn Zero Span Last Span Decrease the Resolution Bandwidth to Improve Sensitivity Tracking Peak Manual Tracking Adjustment Compensates for Tracking Error T E Normalized Trace Tracking Generator Unleveled Condition Demodulating and Listening to an AM or FM Signal Marker +CF 11. Demodulation of an FM Signal 12. Continuous Demodulation of an FM Signal Center Triggering on a Selected Line of a Video Picture Field 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 32. N dB Bandwidth Measurement DB Bandwidth Measurement DB Bandwidth Measurement 33. Percent Amplitude Modulation Measurement Percent Amplitude Modulation Measurement Percent Amplitude Modulation Measurement Third Order Intermodulation Measurement Where the frequency of distortion product a is 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 Service Calibration Functions Service FunctionsCAL Timerase Edit Flatness Execute Title Exit Idnum Init FLT SET Attn Error Stor PWR on Units Following diagnostic softkeys Option 011 only Service Diagnostic Functions Service Functions Spectrum Analyzer Mode Functions AI4On OFF Lock on OFF Fbr Option 130 only KHz EM1 BW 120 kHz + a on OFF ADJ Chan Abcdef ADJ Chan PWR extd Spectrum Analyzer Mode Key Descriptions ALL DLP --t Card Amp Cor ALC Test Amptd I t s AMP COR AMP C5R On OFF ANALOG+ on OFF MKR CNT on OFF MK Pause on OFF MAX Bold a MAX Hold B Front-Panel Key Access jD’spLAy-1 Option 021 only Apnd CAT Item Atten T O C O U P L E Auxb Aux Corm Corl~rol Baud Rate Binary Span Blank a Blank B Blank C Card Default Config CAL Fetch CAL Display Card Conf ig Card + DLP + State Spectrum Analyzer Mode Key Descriptions Catalog AMP COR Memory Card Catalog Information Title Description Front-Panel Key Access @iTTiE or Save Catalog VARIABLS, Catalog PREFIX, Catalog DLP Analyzer Memory Catalog Information Atalog LMT Line Oneos OndelayOnswp Trmath Command Front-Panel Key Access I-1 or Isave Catalog on Event Display Catalog Front-Panel Key Access mj or Save 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 DBmV Dacs Default Sync Option 107 on Define Coupling F i n e Gate Time Delete Front-Panel Key Access m or lsAVEJ 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 Edit I t Flatness Done I t Lower Edit Last Mid/Delt I t UPPer Enter PRI I t o r Enter REF Edge Width Erase DLP MEM Front-Panel Key Access GGiZ Erase TraceallTrcmem SML LRG EP FIX80 EP LQ570 Show Optioms SHOWremoves the screen annotation left after pressing Spectrum Analyzer Mode Key Descriptions FFT Fine Tibg DAC FFT OFF FFT Stop Freq 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 Gate CTL Edge LVL Gale N t r o l Option 107 on Ly Gate on OFF Gate Utility GHI JKL Hold Grat On OFF Input Z 5oi-l ml HP B&W Printer Idnum Init FLT 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 Catalog TRACES, Catalog PREFIX, Catalog DLP Load File Rain Span Option 011 on Marker # on OFF Marker a Front-Panel Key Access MKR or Cpeak Search Marker 4F Step Marker A-SPAN MARKER+ Auto FFT MARKER+ FFT Stop MARKER-+ MID Scrn Front-Panel Key Access j-1, ?XiGj, orMarker +REF LVL MARKER-, Miwimum Marker -START Marker Marker -4F, Marker +REF LVL , Marker -&F StepMAX HP 8590 E-Series and L-Series Spectrum Analyzers MAX Hold B MAX MXR \TL Meas OFF 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 PAL Paintjet Printer PAL-M Peak Peak Zoom PK Node DL NH4 Front-Panel Key Access Cpeak S E a R C H 108 O t Conf ig PK Table on OFF PLT-LJT On OFF Point PLTS/PG 1 2 Front-Panel Key Access Config 111 Power Menu 112 HP 8591C 900 MHz GHz S /auto-coupled 114 115 12. Preset Conditions for All Models 116 I n t Config Purge Limits L s e ParaIti 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 Select 1 2 3 SECAM-L Select Select Segment Select Type Set Colr P r i n t e r R v i c e Cal R v i c e Diag SET 133 Options Signal Single FFT Single ME AS Slope Ispan or SpanSpeaker On OFF Spectrum SRC PWR STP Size Start State + Card State + Intrnl Stop Sweep Cont SGL Sweep Delay 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 Trig Tracking TV Trig TV Trig Vert INT TV Trig Even FLD Spectrum Analyzer Mode Key Descriptions 152 Video View BView Watts YZ,# s p c C l e a rZero Marker Span PK Left Center 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 Default Config Default Config If you suspect the analyzer configuration is wrongIf the display position is offset CRT W&T Position Cqnf Test If the analyzer measurements appear inaccurate 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 Package the cable TV analyzer for shipment Returning the Cable TV Analyzer for Service Returning the Cable TV Analyzer for Service Error Messages ADC-GND Fail ADC-2V FailADC-TIME Fail CAL Data not Stored CAL AMP Needed CAL Passcode Needed CAL Signal not FoundCAL RES BW Ampl Fail CAL Span Sens Fail CAL Using Default Data CAL Zero FailConf Test Fail Freq Uncal Empty DLP MEM Internal Locked Invalid Card Data ErrorInvalid Actdef Invalid Ampcor Freq Invalid Card no Card Invalid Card DirectoryInvalid Card Type Invalid Checksum Ustate Invalid HP-IB ADRS/OPERATION Invalid File no RoomInvalid HP-IB Operation REN True Invalid Item Invalid Repeat MEM Ovfl Invalid Register NumberInvalid Repeat Nest Level Invalid RS-232 Adrsoperation Invalid Value Parameter Invalid TracenameInvalid Vardef Invalid Window Type Oven Cold Meas Uncal Passcode Needed Parameter ErrorPOS-PK Fail REF Unlock RF Presel Timeout RfpreselerrorSetup Error Signal not Found Step GAIN/ATTN Fail TG Signal not FoundTable Full TG Unlvl VID-BW Fail Undf KEY 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 Rack Mount Kit without Handles Option Narrow Resolution Bandwidths Option Service Documentation Option 9 Rack Mount Kit With Handles OptionUser’s Guides and Calibration Guide Option RF Bridges AC Power Source HP-IB Cable External Keyboard Plotter Memory Cards Rack Slide Kit PrinterRS-232 Cable 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 See CRT persistence Standard units of measure, which include the following Trace A, B, or C of an analyzer. Refer also to trace Refer to noise sidebands Random-access memory Refer to frequency resolution Refer to bandwidth selectivity See bandwidth selectivity One of the sine waves comprising a spectrum See noise sidebands Spectrum analyzer Solving for sweep time TO1 Vector display Video filter Index Index-2 Index Index-3 Index-4 Index-5 Index-6 Clear Write a Clear Write B Index-7 Gate CTL Edge LVL, 6-76 Gate on OFF Index-8 DAC Index-9 Display Index 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 MEM Locked Index-26 Index-27 Index-28 Sweep Cont SGL Index-29 Index-30 Index-31 Index-32 Index-33 Fine Tune DAC, 6-5 YZ-# Spc Clear Index-34

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