AV5462
Contents
1. 2006 09 14 2006 09 15 2006 09 16 2006 09 17 2006 09 18 2006 09 19 2006 09 23 2006 09 24 2006 09 25 Figure 2 43 Configuration Dialog of Trap View 4 2 Select the date of the log to view click Display button to open the Log Information Window as below 59 _InarHco AV5462 T S Agent 127 0 0 1 Bri ET fa Tv agent title IP tv tille TR 101 290 2 22 2006 10 16 mia AS MS BAS PID tse 0045 Fist iat Mono 0 PAI A Figure 2 44 Log Information Window 5 Mpeg2Recorder To record a TS file over 100Mbytes use the tool Mpeg2Recorder under oInstallRoot Mpeg2Server bin See Figure 2 45 fe Mpeg2Recorder Configuration Input Card DVB CARD 1 Output File Browse Record Size MBytes Record Timestamp Elapsed Time Ls 0 I n Figure 2 45 Mpeg2Recorder Window 60 Part 2 Technologies Part 2 Technologies _TiG ettico AV5462 Chapter 3 Specifications and Fundamentals Section 1 Specifications AV5462A B AV5462 Spectrum Analysis Range IMHz 1000MHz IMHz 2200MHz Span OHz zero span OHz zero span 10KHz 999MHz 10KHz 2199MHz Accuracy 0 5x10 Temperature effect 2x10 0 C 50 C RBW IKHz 3MHZ in 1 3 10 sequence VBW 10Hz 1MHz in 1 3 10 sequence Phase noise typ lt 90dBc Hz 10KHz Frequency range IMHz 1000MHz IMHz 2200MHz Gain 14dB Noise factor typ 4dB Maximum level input 137dBuV 137dBuV 482. 90dBuy 54dBuv i PACA MESA A i 3 ML TRI E V E Ry n 3b6dBuv i i i sw 0 d E Y Y 5 4 Y VANS St MET M va SERE E A 48 5MHz SPAN 8 0MHz 56 5MHzZ S Bp seri c Ma l REER 16dBu wv Figure 2 7 Screen of DVB C RF Demodulation and Measurement 3 Channels Edit ChEdit Click this button to open the dialog for channel edit See Figure 2 8 12 Ha AV 1 0 E 3 GAQAM 60ra MU 45 amp AGAM 6878 D o Hi A e aa est DI Ho a 168 ea 6875 0 esa ese O Er uw 6975 O H8 1 Al AM 6806 D_ QA 183 edQaM 6875 D RS e4QaM 6 875 D aS 64QAM 6875 O PE 10 RR aM 68 55 i EE 30 RR aM 68 55 i 127 30 i aM 68 55 te 30 i aM 68 55 O TE o i eam 68 55 O TA 30 RR aM 68 55 E 10 i aM 68 55 OO DE 30 15 aM 68 55 0 _ 70 030 1 o eaaa 68755 1 77 30 B eaaa 68 55 _ 77 o 185 OA 68 55 0 _ ER aoo i a aoM 68 5 L ZA 10 i iE QAM 6875 me 10 i ABR eoa 6875 Li le ooo Sto sy oh L ty a da MN 11 Ha a G GO O G G G a O G G Ga EN PEPA ETT PEPER ARA FERRE ATA TAXI RE IR MIE ESA MVE SA 3 1 3 2 3 3 3 4 Figure 2 8 Dialog for Channels Edit of DVB C Channel Number ChNum Double click a cell in this column into editing state insert a character string then press Enter OK key to commit i
3. Left clicking the Config Bitrate button on the bottom of the Bitrate Information window will open the Bitrate Configuration window TS bit rate Service bit rate and PID bit rate can be accessed via this window Below are five parameters you need to know well before attempting configuration Tau Width of time slice the default 1s 0 100000001 second N Number of time slice the default is 10 Element Measurement unit the default 1s packet Min minimum bit rate the default is 0 MHz Max maximum bit rate the default is 65535 MHz 44 TS Bitrate See Figure 2 30 Mg Sea EXA TSE SHB Er STE Ea Sesh Sena RE PERS EC REA Se EB AR SS LEASE le ie PRIDE RATA A ALE PEPPIDE AA YS Sep PID IS ME EB fie AMSAT SID REE 10100000001 110 pat e C ket 0 000000000 ee 65535 000000000 IF COLTI R OR DONO UMEN ZORRO ee DNO l sem m AAA m L OT mc mm can 0 1000 101 T se m MUN DN n DE MENS DR MUN DNUS OUR Figure 2 30 TS Bitrate Configuration Dialog TSBitRateTau TSBitRateN TSBitRateElement TSBitRateMin TSBitRateMax AllServiceBitRateTau AllServiceBitRateN AllServiceBitRateElement AIIPIDBitRateTau AIIPIDBitRateN ANPIDBitRateElement AV5462 45 AV5462 ExpectedTSID e Program Bitrate See Figure 2 31 EE xl da nd BUR T SALE 301 0100000001 m packet 10 000000000 55555 Di Qui 302 010000000110 packet 0 000000000
4. 1 2 3584 3 8 8976 9 12 12804 13 48 51216 For other audio the buffer size 1s 3584 bytes The system buffer Bsys 1s used to put system data Its size 1s 1536 bytes 3 Multiplexing Buffer The multiplexing buffer MB is only used in the video elementary stream If there is a PES payload packet in MB buffer and when the elementary stream buffer EB is not full the PES packet is delivered to multiplexing buffer MB But if the elementary stream buffer EB is full the PES packet in transport buffer TB is not moved When the last byte in some PES payload is moved from the multiplexing buffer MB and delivered to the elementary stream buffer EB all the bytes of the PES header in the multiplexing buffer are moved and discarded 4 Elementary Stream Buffer The elementary stream buffer is only used for video EBVideo 5 14 Decode The decode module is provided for playing the program without encryption See Figure 2 40 55 O fw oHee eee E PZ Ri v Jean RE 127 0 0 1 nei 0 00 00 x1 00 D AS77 TS ApStar CCT 3840H 27500 mp _7 SCH Ras Figure 2 40 Decode 1 Select the Decoding Enabled make sure the Stream Sent to set with 127 0 0 1 and click OK button to confirm it 2 Click Start button in a row in which the program to play is shown Section 9 Calibration Connection As below AV 54062 Calibration Signal Source Input Figure 2 41 Connection for Calibrati
5. Chapter 3 Specifications and Fundamentals Three order typ gt 125dBuV intermodulation TOD Intercept Point Average noise level lt 116dBm lt 116dBm SMHz 1 6GHz No input signal no lt 110dBm 1 6GHz 2 2GHz input attenuation span 20KHz RBW 1KHz UU rr NENNEN NE Logarithm scale 80dB 10dB div 40dB 5dB div 16dB 2dB div 8dB 1dB div dBm dBmv dBuV uV mV uW Accuracy of V A 1kHz carrier frequency offset Accuracy of the ratio 1dB SNR gt 30dB of V A carrier level Accuracy of video 1KHz carrier frequency offset CNR gt 60dB resolution 0 1dB Prev adjacent channel gt 60dB resolution 0 1dB carrier suppression 50 Chapter 3 Specifications and Fundamentals Next adjacent channel gt 60dB resolution 0 1dB carrier suppression Composite Second gt 60dB resolution 0 1dB order Interference CSO Composite Triple gt 60dB resolution 0 1dB Beat CTB mas E Mode 4 16 32 64 128 256QAM n ITU T J 83 Annex A B amp C DOCSIS EuroDOCSIS Constellation display 4 16 32 64 128 256QAM zoom in out Digital channel power typ 1 04B 25 5 C C N gt 20dB MER range 22dB 40dB MER resolution typ 0 5dB 22dB 30dB typ 1 0dB 30dB 35dB typ 1 5dB 35dB 40dB 0 65 4 1 owa I Amplitude 0 10 0 Imbalance AI nine rj Phase Jitter PJ 0 1 85 System 0 0 01 Error STE 51 Chapter 3 Specifications and Fundamentals 0 0
6. 10 Reference Level Select RefLevel The reference level is shared by channel scan channel spectrum sweep and tilt measurement To achieve a better performance the reference level should be set above the maximum level detected with 5 10dB margin 11 Setup Save Load Left click SaveSetup button to open a pop up dialog input a character string as the name of file to save the setup and then click the Save button to confirm it Left click LoadSetup button to open a pop up dialog select the file to load and then click the Open button to import the setup in this file 12 Results Save Load Left click SaveResults button to open a pop up dialog input a character string as the name of file to save the measurement results and then click the Save button to confirm it Left click LoadResults button to open a pop up dialog select the file to load and then click the Open button to import the measurement results in this file Section 8 TS Analysis 1 Connection The connection for transport stream TS real time analysis is shown in Figure 2 15 To monitoring the TS 29 Wene NE demodulated decoded from DTV RF input the Internal TS item in Set menu should be selected while select the External TS item to analyze TS input directly from outside AV5462 PE E AN TS Output Figure 2 15 Connection for TS Real Time Analysis 2 Screen Layout The main window of TS analysis is shown as below RH 10
7. 65535 000 303 010000000110 packet 0 000000000 65535 000 1304 010000000110 packet 0 000000000 65535 000 _ s0 0100000001110 packet O 000000000 65535 000 306 0100000001 10 packet 0 000000000 65535 000 307 010000000110 packet 0 000000000 65535 000 55534 0 100000001 10 packet B 000000000 55535 00D Figure 2 31 Program Bitrate ServicelD BitRateTau BitRateN BitRateElement BitRateMin BitRateMax e PIDBitrate See Figure 2 31 Configuration Dialog 46 0 0100000001 18 0100000001 17 0 100000001 257 0 100000001 258 0 100000001 259 D 100000001 260 0 100000001 261 0 100000001 262 0 100000001 263 D 100000001 265 0 100000001 512 0 100000001 513 0 100000001 514 0100000001 515 0 100000001 516 0 100000001 517 0 100000001 518 0 100000001 650 0 100000001 660 0 100000001 10 10 10 10 10 10 10 10 10 10 110 10 10 10 10 10 10 10 10 10 CEREA PID PIERA rn re bite ALE packet U UUUUUUUUU 65939 000 packet packet packet packet packet packet packet packet packet packet packet packet packet packet packet packet packet packet packet JD DOBB00880l65535 ooo 0 000000000 65535 000 0 000000000 65535 000 AV5462 X 10 000000000 65535 000 0 000000000 65535 000 0 000000000
8. 65535 000 2 10 000000000 65535 000 0 000000000 65535 000 0 000000000 65535 000 0 000000000 65535 000 2 10 000000000 65535 000 0 000000000 65535 000 10 000000000 65535 000 10 000000000 65535 000 10 000000000 65535 000 0 000000000 65535 000 0 000000000 65535 000 DC 000000000 65535 000 PID BitRateTau BitRateN BitRateElement BitRateMin BitRateMax 5 10 TS Recording Figure 2 32 PID Bitrate Two different methods provided to record the TS Recording trigger by time 2 Recording trigger by events mL me Configuration Dialog 47 B AV5462 Figure 2 33 TS Recording Selection 5 10 1 Recording trigger by time This function allows the user to delay recording time Recording starts After The time entered here is the current time which is compared to the time of the actual beginning of the recording The user can select the timestamp during the recording which aids the offline analysis The time trigger is the user s first choice in most situations To operate drag the recording size slider to change file size set delay time check the timestamp option then click OK button below to start recording See Figure 2 34 48 Ewonneo Lan AV5462 Figure 2 34 Dialog of Recording Trigger by Time 5 10 2 Recording trigger by events Some errors will appear more frequently than others prompting the need for further analysis By se
9. Up to 3 b To select from channel table The ChSel drop list contains all the channels from channel table click any channel item to set it as current channel 8 Noise Reference Point Setting Two methods provided to set noise reference point as below a Auto Enoise Fen BWen Faoise The frequency of noise reference point Fon The center frequency of current channel BW The bandwidth of current channel b Manual To set the noise reference frequency in the NoiseFreq textbox and press the Enter OK key to commit it Unit MHz Range 1 2200 Decimal digits Up to 3 7 2 Measurement Press ChMeas button down to start channel measurement To stop it press this button again 8 Channel Spectrum Sweep ChSpect 8 1 Settings 1 Center frequency i e the center Frequency of current channel 28 a Setin Span textbox MHz Or b To change the span with up down arrow keys at a SMHz step when the cursor is in channel spectrum display area 8 2 To Sweep Press ChSpect button to start channel spectrum sweep to stop it just press the button again Move the cursor into channel spectrum display area and double click it to zoom in the display or zoom out it left click the mouse in this area or press left right arrow keys to view the information of each measured point 9 Input Gain Select InputGain Amplify or attenuate the DVB C RF signal to a proper level range before it is fed into demodulation module
10. autotransformer is used please make sure its common end is connected to the ground terminal of power plug Section 2 Troubleshooting Troubleshooting 1 1 Black Screen Checking flow a To check if the power cord is correctly connected or not and whether the power supply is in compliance with requirement in Table 1 1 b Make sure the power switch on the rear panel is turnned on c To check if there is a beep sound in one minute after the power button is pressed on the front panel d To check the fan is working or not If all the checks above passed it s may be the main board s fault If the fan is not work maybe the power module has some problem If there is beep sound heard as c described the LCD may be damaged 56 Chapter 3 Specifications and Fundamentals 1 2 Exceptions If some exception occurs the following steps will be helpful to isolate the problem a If there are some external devices connected with this instrument please make sure all the connections are correct b Deal with the frequent problems with successful solutions applied before c Review the operations before the exception occur to make sure all the settings 1s right d To check all the test and measurements completed or not and the measurement results in compliance with the specification or not Table 4 1 Phenomena and Causes Maybe Level To check whether the 10MHz reference clock 1s shared or not measurement To check whether the reference level
11. current channel demodulation from follows a 12 For J 83B amp 256QAM b 13 For J 83C c 15 For J 83A d 18 For J 83B amp 64QAM Modulation Use mouse or touch panel to select the modulation type of current channel from follows 4QAM 16QAM 32QAM 64QAM 128QAM 256QAM Composite Triple Beat CTB Measurement The instrument provides two methods of reference channel setting for CTB measurement a Self Mode Use current channel as the reference During tip lt To turn off ch carrier gt show the current channel carrier should be turn off b Another Channel To select another channel from the CTBMeas drop list as the reference which should be blank Only available to analog channel Noise Reference Point Setting 18 6 7 Use mouse or touch panel to select the setting mode from follows a Auto Enoise Fon BWen Faoise The frequency of noise reference point Fon The center frequency of current channel BW The bandwidth of current channel b Manual To set the noise reference point in the NoiseFreq textbox and press the Enter OK key to commit it Unit MHz Range 1 2200 Decimal digits Up to 3 Symbol Rate SR Used to set the SR for current channel demodulation Unit MBaud Range 0 6 875 Decimal digits Up to 3 Constellation Display Points ConstPts To set the maximum points displayed in constellation display area Range 1000 5000 9 2 Measurement Press ChMeas button down
12. is set correctly or not error is out of To check whether the DTV input signal is accordant with the measurement range module selected l To check whether the LO signal at OHz is right or not No signal l l l To check whether the signal is blurred or not in narrow RBW mode The signal s l Increase the input attenuation to check whether the signal is suppressed or amplitude not detected is not Recalibrate it refer the details to section 9 in part 1 correct The setting value The value input is committed only after the Enter OK key is pressed is not changed The value input is invalid because it s out of range The indicating To check the Device Name item in Streams Table if it is ts unknown icon for offline l l always then the previous setting doesn t work please try it again TS analysis Otherwise to make sure the file format is right set and the Auto Repeat is doesn t turn selected green 1 3 Hardware Faults If the analyzer works abnormally even after the steps described above having been done it may be the hardware fault We don t recommend the user to unpack the instrument to repair it on himself herself because of the complexity of its circuits inside especially during the warranty period Instead contact us at first time and we ll assist you to resolve the problem in time 56 Chapter 3 Specifications and Fundamentals 2 Return to Factory When some severe prob
13. of the window After a few seconds each buffer display blue will be filled by dark blue color according to the percent of the buffer occupied The exact amount can be clearly seen by the size number shown under each buffer display These buffers are divided into three categories video buffers audio buffers and system buffers In reality there are two buffers transport buffers and main buffers The main buffer is made up of the multiplexing buffer and the elementary stream buffer 1 Transport Buffer The transport buffer includes the transport buffer for video TB Video the transport buffers for audio TBAudio0 n and the transport buffer for the system TBsys The TS packets including elementary stream packets are delivered to the transport buffers These also include duplicate transport stream packets and packets with no payload Bytes that are part of the PES packet or its contents are delivered to the main buffer B for the audio elementary stream and the system data and to the multiplexing buffer MB for video elementary streams Other bytes are not and may be used to control the system Duplicate transport stream packets are not delivered to TB MB or TBsys The transport buffer TB size is fixed at 512 bytes 54 nian AV5462 2 The main Buffer The main buffer is used for the audio buffer and system buffer For ISO IEC 13818 7 ADTS audio the audio buffer size is defined as follows Number of Channels Buffer Size bytes
14. open the setup saved in the default file will be imported automatically 9 Channel Measurement ChMeas 9 The results of channel measurement including 1 Digital channel Channel Power CNR Lock Status SR Offset Frequency Offset Interleaver Mode MSE BER Uncorrected TS Packets Count 2 Analog channel Video Carrier Level Audio Carrier Level AV Carrier Level Ratio Video Carrier Offset AV Carrier Offset Adjacent Channel Suppression HUM CSO CTB For digital channel after it s locked the TS Analysis module can be brought up to do protocol analysis on the demodulated transport stream Settings 1 Channel Setting a User defined Select UserDefCh in the ChSel drop list input a value in UserDefCh textbox below as the channel s center frequency Unit MHz 17 2 3 4 5 nian AV5462 Range 44 906 Decimal digits Up to 3 b To select from channel table The ChSel drop list contains all the channels from channel table click any channel item to set it as current channel c Quick Input Use the number key to select the channel in the drop list For example 1 represents standard channel DS1 52 5 and 101 for the supplemental channel Z1 115 0 Note A three digits number with 1 at its left end is for supplemental channel selection Available only when the default channel table is used Roll off Use mouse or touch panel to select a roll off factor for
15. overall jitter PCR OJ should be zero if the value of PCR AC is inside 500 ns e PCR Drift Rate The PCR drift rate measures the low frequency component of the PCR frequency 41 Tivo 5 62 offset the high frequency component is measured by PCR overall jitter Its tolerance is 75 mHz s 27MHz or 10 ppm hour AVS 462 BS S HHL IZ DN REA 144940 HYPE CCTY 3840H 27500 mpg 1915 Xit RE Ra SH S TURIN BAe PERI AE tt a ISH M Vom SS mI fx q Ei SAS E PESE Hes PSVSI 155 TC TRIDI e PCRIRIS T HUBER Ta MAS ac paiz TAG eB B EPCRME iat PID Figure 2 27 PCR Measurement Window 2 PCR Measurement Chart See Figure 2 27 above The PCR measurement chart is divided to three sub windows which display PCR AC PCR FO PCR OJ In each sub window the X axis is the time coordinate unit one second and the Y axis is value coordinate The measurement unit of PCR AC is the nanosecond ns The measurement unit of PCR FO is Hertz Hz The measurement unit of PCR OJ is microsecond s Every sub window is divided into two parts upper and lower The vertical middle point on each display is the zero point The upper half is positive and the lower half is negative There are two yellow limit lines in every window one in the upper half positive limit and one in the lower half negative limit Each display should be centered on the zero reference line in each window 3 PCR Monitoring Choi
16. to start channel measurement To stop current measurement press this button again Double click in constellation display area to zoom in or out the display 10 Channel Spectrum Sweep ChSpect 10 1 Settings 1 2 Center frequency 1 e the center Frequency of current channel Span a Setin Span textbox MHz 19 b To change the span with up down arrow keys at a SMHz step when the cursor is in channel spectrum display area 10 2 To Sweep 11 12 13 14 I Press ChSpect button to start channel spectrum sweep to stop it just press the button again Move the cursor into channel spectrum display area and double click it to zoom in the display or zoom out it left click the mouse in this area or press left right arrow keys to view the information of each measured point Input Gain Select InputGain Amplify or attenuate the DVB C RF signal to a proper level range before it is fed into demodulation module Reference Level Select RefLevel The reference level is shared by channel scan channel spectrum sweep and tilt measurement To achieve a better performance the reference level should be set above the maximum level detected with 5 10dB margin Setup Save Load Left click SaveSetup button to open a pop up dialog input a character string as the name of file to save the setup and then click the Save button to confirm it Left click LoadSetup button to open a pop up dialog select t
17. 01 Residual Error RTE DVB S IMHz 2200MHz Frequency range Frequency resolution Channel set Channel IKHz user defined measurement Uncorrected packet 30dBuV 120dBuV at 8MHz BW 1 2 2 3 3 4 5 6 7 8 auto detect ratio measurement DMB TH IMHz 1000MHz select from channel table or Frequency range Frequency resolution Channel set user defined Carrier mode single carrier multi carrier auto detect Modulation 4 4 NR 16 32 64Q AM auto detect PN420 PN595 PN945 Frame header mode auto detect 0 4 0 6 0 8 Code rate auto detect Interleaver mode 2406 720 auto detect 27 Chapter 3 Specifications and Fundamentals Channel measurement Uncorrected block 30dBuV 120dBuV 0 1dB typ 1 0dB 25 5 C ratio measurement Transport Stream Analysis Only available to AV5462A To display multiplexed TS structure in a tree TS monitoring TS tree structure Basic information Contains the brief statistics information of current transport stream Program information Contains all of the program information that is carried in a transport stream and events information for each program PES information Contains the brief information of each PES carried in a transport stream PSI SI information TR101 290 Error monitoring according to ETSI TR101 290 PCR measurement PCR AC PCR FO and PCR OJ measurement in compliance with TR101 Contains the br
18. 34 Skystream data Figure 2 19 TS Multiplexed Structure Showing information 1 Transport Stream Identifier TS ID and program number 2 Program Map Table Packet Identifier PMT PID program ID program name elementary stream ES type and its PID Program Clock Reference PCR PID and entitlement control message ECM PID 3 Program Specific Information Service Information PSI SI type PSI SI PID and its table id 4 Unreferenced PID which is contained in current TS but unidentified Q By clicking the icon at the left side of the TS tree one of its branch will open or close If there is more than one program stream in the TS it is very easy to display the information about any one of the program streams Video icon 32 5 3 Audio icon ES Data icon tar PCR PID icon EE ECM PID icon da Basic Information See Figure 2 20 Showing information 1 2 3 Bitrate Bitrate of Transport Stream Package Length Identifying 188 204 bytes TS package Current Value Current transport stream bitrate Mbps Average Value Average transport stream bitrate Mbps Max Value Maximum transport stream bitrate Mbps Min Value Minimum transport stream bitrate Mbps TS Bitrate pie chart displaying whole bitrate components with one hundred percent occupation Video with cyan show Audio with blue show PSI SI tables with powder show Null package with white show Others with yellow show TS Basic Inform
19. 7945 ETT CCTY 3840H 27500 mpg Figure 2 16 Main Window of TS Analysis 3 Analysis of Live TS To analyze the live TS input from outside or demodulated from the DTV RF input 4 Analysis of Offline TS To analyze the TS data saved in disk it s helpful to review the TS content and locate errors 30 O 77 eee M OSO 1 As shown below use mouse or touch panel to right click the row whose Device Type is File select the Select Offline File item in the popup menu to open the dialog for Select Offline File e CER ER BATE MAMAS FR amp e 7 E e e 0 B Figure 2 17 Streams Status Window 2 Select the file to analyze and then click the Start button CIAO ore PPE 28 C download 7 127 0 0 1 th ZE att Aa I Beit 188 Figure 2 18 Dialog for Select Offline File Note a IfTS recorded with timestamp Timestamp item must be selected b Make sure the packet length select is in compliance with the TS recorded c Usually the file recorded is of a short time so the Auto Repeat item should be selected 5 Analysis Modules 5 1 Streams Status As shown in figure 2 17 each row in the table represents a stream s status which is indicated by icons with different colors green for normal red for abnormal and yellow for unknown The On Off switch on the right is used to enable TS analysis or disable it When the initialization of TS analysis is done t
20. Buwv U 20 40 60 BL 100 SG PANI SENSE 20081 U zl 40 60 QU 100 Figure 2 9 Channel Scan Configuration Dialog Drag the sliders to set video audio carrier level thresholds for analog channel center frequency level threshold for digital channel 6 2 Operation Press ChSearch button down to start channel search a pop up window with the searching result will open when it s done Note The channel search is according to current channel table 7 Auto Measurement AutoMeas Measure every channel in current channel table with their parameters set in the table 15 _ Perec AV5462 A pop up window of the results table will display when the measurement 1s done 8 Tilt Measurement TiltMeas Click TiltMeas button to open the dialog for tilt measurement See Figure 2 10 X Sue 5 0 MHz volt dBuv i 1 0 130dBuV Em O 104dBuW M 200 piu 1 0 O 78dBuv E3500 Hi 52d buM d i E 265dBuy OdBu w UB SMHZ i ETF Figure 2 10 Dialog for Tilt Measurement 8 1 Frequency Setting It s able to measure up to 20 frequency points in the range of 5 862 MHz 1 To add a measurement point Input a frequency value in the textbox above the table on the left press Enter Ok key to commit it if the value is valid it will be added int
21. Capture 50 O e462 See Figure 2 36 DOOR NAAA a at ata ee eee eee eee RAMA AAA MAA MARA NAAA MARA NANA NANA MARA alata a atat a ata A AA Figure 2 36 Grammar Analyze Configuration Dialog First select the PID Type and then select the Number of Packets to Capture and Analyze in the current transport stream Most PID choices are PSI SI tables which have only one PID number If the selected packet type is a PES PKT basic stream then there are many kinds of PID numbers video PID audio PID and other data PID of different types To determine which one is a video PID audio PID or data PID the TS multiplex structure tree on left side of the main window needs to be checked Example If the PES PKT type and PID 600 are selected then the selected program is a video of program ID 4161 CCTV 1 After selecting your choices click the Capture button There is a visual display graph that allows you to see the progress of capturing packets When the green bar graph completes a small popup window with the caption Finished is displayed Click the Analyze button to enter the Packet Structure Window for grammar analysis 5 11 2 Expanded Packet of Transport Stream Clicking the Analyze button enters the Grammar Analysis window 5 _ Deere AV5462 Tete p Bie Byte U byte 1 Byte 2 Byte 3 Byte 4 Byte 5 Byte 6 Byte 7 Byte 6 Byte 9 Byte 10 B oar omo oo oas oco 000 os 020 om oe oes ds VOS RA AK SH PE S
22. H EE SK BE HE JU ew omo eo or oco ooo ogo odo 00 bes o Dr oa oa on to ow owe 26 ws 1 2 Figure 2 37 Grammar Analysis Window Bit Value Table of Transport Stream Packet The top half of the window shows the bit value of packets captured Each single packet is displayed as one row of Bytes 188 bytes expressed as hex Example 0x47 and 0xA9 Drag the slide bar at the bottom of the Packet Byte Value Table window to see the whole content of the 188 bytes Grammar Analysis When one of the Selected check boxes is checked in the upper window the lower window displays an analysis in the TS bit value table Clicking or above each of the Grammar Analysis cells will expand the head of packet and payload There are three colors to differentiate head of packet payload and null or stuffing bytes Expanding the Grammar Analysis display reveals four rows of information The first row 1s the field name In DVB standard every field is defined including field name field length and the signification of the bit value which are at the head of the packet PSI SI table carrying in payload packet elementary stream PES and so on The second row shows the content field such as 0x0 which is PID 0x0 hex or PID 0 decimalization The third row shows the length of field such as 13 which expresses thirteen bits The fourth row shows the combination location of field such as 1 11 13 which means the start bit be
23. Input Interface RF input RF Input Interface 0 Oo Ge Touch Panel Instead the act of mouse USB Interface To plug external USB device Section 3 Outlook and Rear Panel The instrument has a dimension of 520x390x202mm weight about 12 kg aluminium alloy shell and fans for cooling A Figure 2 2 Outlook The rear panel is shown as below a b c d e f g h j k Figure 2 3 Rear Panel Calibration Output BNC Interface 10MHz Reference Clock Input Output BNC Interface Ethernet Interface 1 RS232 Interface VGA Output Interface SPI Power Inlet Power Switch Ethernet Interface 1 PS 2 USB Interfaces Fan AV5462 _ Perec AV5462 Section 4 Spectrum Analysis 1 Connection As below AV5462 Z NO Cr MA Figure 2 4 Connection for Spectrum Analysis 2 Screen Layout As shown in Figure 2 5 spectrum analysis screen can be divided into three parts control panel on the right display area in the center and parameters information display area in the south P JAv5462 A FERR S WC BS 23 UT 3 loj xj X ZB BS ter FR HET FASS ESHER EIS PERAFERT RR EE HHT b 0UST ISSN SMS BR 10dBu Div null null 90dBuY 80dBuV TOdBuV 60dBu 50dBuV 40dBuV 30dBuV 20dBuV 1O0dBuV 480 0MHz T I ERRER MAR 20dB ERES TUS TE 1MHz MFHT d Sims Sfr 1 SERS A SREB 2 M6 SERE Era n MO B EHE GI EJUS FH Sa BT S
24. MHz 183 RFR Bese Figure 2 14 Screen of DMB TH RF Demodulation and Measurement 3 Channels Edit ChEdit Left click ChEdit button to open the pop up dialog for channel edit to add a new channel the channel s center frequency demodulation and decoding parameters should be set 4 Channels Import ChImport Left click ImportChTbl button to open a pop up dialog select the file to load and then click the Open button to import the channel table in this file 5 Channel Scan 5 1 Span Use mouse or touch panel to select the span from follows Full Span 10MHz 30MHz 100MHz 300MHz The center frequency of scan is the current channel s center frequency which is ignored in full span 5 2 Scan Left clicks the ChScan button to start channel scan the level at each channel s center frequency will be measured and displayed in the graph to assist in distinguishing between valid channels and invalid ones digital channel or analog one Click this button again will stop the scan After moving the cursor 26 into its display area the marker can be moved by arrow keys to view the level at each channel s center frequency To zoom it in or out just double click in its display area 6 Auto Measurement AutoMeas Measure every channel in current channel table with their parameters set in the table A pop up window of the results table will display when the measurement is done 7 Channel Measurement ChMeas The measurement re
25. Preface Thank you for choosing our product our products are manufactured in compliance with ISO 9000 You are assured of a quick expert help with any product of Tianjin Wenhao A team of highly qualified engineers provides telephone support and will work with you to find a solution to your query on any aspect of the operation programming or application with our equipment The manual will give you a detailed introduction of how to operate and maintain this instrument so please acquainted yourself with it at first Contents Chapter L OVeNIW ce SI de o de CE SP Rt id l D APPI AUO RR RR l O TTT l Chapter 2 Sa AO taa al Esad 4 Section Ere LEANNE TT 4 SECO FiontPandl A A A A 4 Section 3 Appearance amp Rear Panel TTT 5 SS eS 7 COMEN A A ii 7 2 ONS UM la pila 7 gt SSDScir m TTT es T 4 To view zero span continuous measurement results sese 10 SF PRG SENECTUTE TNNT cm 10 6 Setup Save LOad A aula t E eU 10 ii bolle 10 Section Cable DN ciclica 11 l CONE AAA AAA AAA 11 O tes RR 11 3 Channels Ed Ch Io lia 12 PAM Gr Saige ical ies A eee Mer tee ee mene meter eae wee eae ee ee ee me eR RA 14 di AS Ci choses ille me E E e AAT A 14 6 Channels Seal leaders urea td 15 T Automatically Measurement AutoMeas io ee ee 15 amp lilt Measurement Milica ni A 16 92 C Panne Measurement CAM CaS it aaa ea 17 10 Channel Spectrum Sweep ChSpect acc 19 E o 6 5 SEEC ear ers ti ic tls la ets teer la att atts as
26. RAM 2 Figure 2 5 Spectrum Analysis Screen 3 Spectrum Sweep 3 1 Settings 1 2 3 4 5 6 7 __ Tenco 62 Input Attenuation InputAtt Use mouse or touch panel to set RF input attenuation from follows Auto 0dB 10dB 20dB 30dB 40dB 50dB Input attenuation is determined by current reference level in auto mode Detect Use mouse or touch panel to select detection mode from follows Maximum Minimum Sample Average Resolution Bandwidth RBW Use mouse or touch panel to set RBW from follows Auto 1KHz 3KHz 10KHz 30KHz 100K Hz 300K Hz 1MHz 3MHz In auto mode RBW is determined by current span as shown in the following table Table 2 1 Relations between Span RBW and VBW 15MHz lt Span lt 50MHz 300KHz SMHz lt Span lt 15MHz 300KHz 100KHz 1 SMHz lt Span lt 5MHz 100KHz 30KHz 500K Hz lt Span lt 1 5MHz 30KHz Video Bandwidth VBW Use mouse or touch panel to set VBW from follows Auto Off 10Hz 30Hz 100Hz 300Hz IKHz 3KHz 10KHz 30KHz 100K Hz 300KHz IMHz 3MHz In auto mode VBW is determined by span as shown in table 2 1 Average Select a average number from the drop list to determine the display curve s average times Reference Level RefLevel Use mouse and keyboard to set the reference level of the sweep the invalid value input will cause a warning Frequency Setting FreqSet The unit of frequency is MHz with up to 3 decimal digits Use mouse or tou
27. an button to start channel scan the level at each channel s center frequency will be measured and displayed in the table Level Unit dBuV Parameters Download 22 Left click Download button at the right of a row in which a channel s parameters reside to download this channel into the control panel 4 Channel Measurement 4 1 4 2 5 1 The measurement results contains Channel Power CNR SR Offset Frequency Offset Code Rate BER and Uncorrected TS Packets Count After the channel is locked TS module can be brought up to do the TS analysis on current stream demodulated Settings 1 Center Frequency and Symbol Rate Two methods provided to set center frequency and symbol rate respectively a Auto Download from channel table b Manual Refer to channel edit 2 Noise Reference Point Setting To set the noise reference frequency in the NoiseFreq textbox and press the Enter OR key to commit Unit MHz Range 1 2200 Decimal digits Up to 3 3 Constellation Display Points ConstPts To set the maximum points displayed in constellation display area Range 100 1000 Measurement Press ChMeas button down to start channel measurement To stop it just press this button again Double click in constellation display area to zoom in out the display Channel Spectrum Sweep ChSpect Settings 1 Center Frequency i e the center Frequency of current channel 23 3 Span The span is det
28. ange the default setting press the ChangeTesting button in the window the three 39 F woene AV5462 priorities will be changed to white backgrounds in the errors statistic window Click one or more choice box and press the OK button to exit 5 7 3 PID Monitoring Select To view or change individual PID tests click the PID Testing button at the bottom of the Statistics Report window and a pop up PID Test Table window will open Select each desired PID testing parameter and then click OK to exit The default configuration is that all of the error categories are selected except the PID error testing When the PID error category is selected the user needs to input a maximum value for the testing interval the default 1s 5 0 second See Figure 2 25 PIERII e PID Wise i shai JE U I ta LE CA Esse a 0 _ PMT a1z M D ARR E U PIDE SC 0 PCRE Ri SI 0 PCRIA a vi U PCR ERS Ee U PTS vi D ASSP vi 512 _FESCIOSCHIA H 512 PMTs V Figure 2 25 PID Monitoring Selection Dialog 5 7 4 The Configuration of TS Testing Parameters To view or change the TS Test configuration click the TS Testing button at the bottom of the Statistics Report window and a pop up window will open To change the default configuration the user only need to enter the desired testing parameters Attr Value into right column Click Commit to exit Press Cancel to cancel cha
29. ation TS ID A unique number to identify the TS PID number The number of PIDs contained in current TS Program number The number of programs carried in current TS Network ID The unique number to identify the delivery system Network name The name of the delivery system Original Network ID The unique number to identify the originating delivery system 33 _TmenHoo Foro AV5462 REEE 222225 PEP EP EP EP ED 22323232233 233 J lt 127 0 0 1 gt TS 3 o A Figure 2 20 Basic Information of TS 5 4 Program Information The program information window contains all of the program information that 1s contained in a transport stream Click the Program tab to display detailed information in the Program Information window below 34 _TwonHao AV5462 KM ULTUYL F BASS it te C1 PAR B ARA 119440 HP CCTY 3840H 27500 mpg Xit ZB Ba UB Event ID Figure 2 21 Programs Information of TS Showing information can be divided into 1 Program information Program ID program name provider name PMT PID PCR PID rate Mbit s encryption running status and program type Click on any row in the table to view the events information of the program in the window below it 2 Events information Event ID encryption start time duration running status language event name and event description For example Event ID 101 Encryption No Start time 2008 12 23 19 30 00 Duration 00 30 00 Running
30. ble into control panel or do channel scan 3 Center Frequency Two ways provided to set center frequency 1 Down Link Frequency DL Local Oscillator Frequency LO In this mode the LO should be set at first and then 1s the DL a LO Select Left click a LO cell select the LO frequency from the pop up drop list 21 S 209 3 4 Du 3 6 E AV5462 Unit MHz b DLSet Double click a DL cell to enter editing state input a number and press Enter OK key to commit If the value is valid the center frequency will be updated according to LO Unit MHz Range 3000 4200 LO 5150 3020 4220 LO 5170 1170 12900 LO 10750 2 Direct Mode Double click a Center Frequency cell to enter editing state input a number and press Enter OK to commit If the value is valid the input will be accepted and the DL is updated automatically Unit MHz Range 950 2150 MHz Symbol Rate SR Double click a SR cell to enter editing state input a number and press Enter OK key to commit Unit MBaud Range 1 45 Decimal digits Up to 3 save Channel table Left click SaveChTbl button to open a pop up dialog input a character string as the name of file to save the channel table and then click the Save button to confirm Open Channel table Left click OpenChTbl button to open a pop up dialog select a file to load and click the Open button to import the channel table from this file Channel Scan Left click ChSc
31. ce Left click the Select PID button to open a pop up window with a list of PID s select a PID of which the PCR is to monitor 42 59 4 PCR Monitoring Parameters Configuration To display the PCR Measurement Configuration left click the Config PCR button A pop up window will display a list of the PCR names and values to choose from PCR BER E x PCS SR Par ER f E PR fe ETE PERAI RIJ 100000000 PHS TRI tate 610 000000000 PCRE A tee 0 0 75000003 DCNS AH al 0 000025000 AAT SIO 7 BRA ES Figure 2 28 PCR Monitoring Parameters Configuration Dialog PCRDemarcationFrequency the default is 1 Hz PCRFOMax the default is 810Hz PCRDRMax the default is 0 075Hz PCROJMax the default 1s 0 000025 second ExpectedTSID the default is 1 PCRACMax the default is 500ns Biterate 1 Bitrate Information 43 ieee e462 The Bitrate information window displays all program PID s bit rates and bandwidth percentages including a graph of bandwidth percentage in the right hand column of the display The Value column displays the bit rate for the selected PID The Percentage column displays the percentage total of the selected PID of the total and the Bar displays a graphic representation of the preceding Percentage column See Figure 2 29 RST 146348 BEY PE CCTY 3840H 27500 mpg fe TER EM SMR BH Ai ane Aor GGG Jmm 127 0 0 1 T8 3 Figure 2 29 Bitrate Window 2 Bitrate Configuration
32. ch panel to select 8 9 current frequency setting mode from follows a Start End b Center Span c Zero Span In this mode only one frequency value is to set and the measurement curve is in time domain Interval This parameter is only available to Zero Span mode with second as its unit It is the blanking time between any two consecutive measurement points If it is 0 the instrument will measure as fast as possible Power Measurement Setting Only available to nonzero span mode With the two parameters start frequency and end frequency set appropriately the power value of the specified bandwidth will be displayed above the grid border 3 2 Display Setting 1 2 3 4 5 Grid Select Visible to display grid while Invisible not to display it Markers Use mouse or touch panel to set how many markers to display There is up to 8 for selection Active Marker ActiveMkr Use mouse or touch panel to select the active marker which can be moved with arrow keys on keyboard mouse or touch panel to view each measurement point information Note Make sure the cursor is in spectrum display area before moving the active marker Scale Use mouse or touch panel to set current display scale from follows Logarithm Linear Unit Use mouse or touch panel to select the display unit of level from follows Logarithm Scale dBuV dBmV dBm Linear Scale uV mV mW 3 3 3 4 3 5 6 Y Div Use mo
33. e File Left click SaveFile button to open a pop up dialog input a character string as the name of file to save the channel table and then click the Save button to confirm it 3 12 Channels Import ImportChTbl Download the channel table into current control panel s setup 4 Channels Import ImportChTbl Left click ImportChTbl button to open a pop up dialog select the file to load and then click the Open button to import the channel table in this file 5 Channel Scan ChScan 5 1 Span Use mouse or touch panel to select the span from follows Full Span 10MHz 30MHz 100MHz 300MHz The center frequency of scan is the current channel s center frequency which is ignored in full span 14 nico AV5462 5 2 Scan Click ChScan button to start channel scan the level at each channel s center frequency will be measured and displayed in the graph to assist in distinguishing valid channels from invalid ones digital channel or analog Click this button again will stop the scan After moving the cursor into its display area the marker can be moved by arrow keys to view the level at each channel s center frequency To zoom it in or out just double click in its display area 6 Channel Search 6 1 Thresholds Left click Set menu and select Channel Scan Configuration item to open the setting dialog A E A TR SENSE 40081 y O 20 40 60 80 100 FERRARA JR SENZA E Ud
34. er is used this item should be selected 5 Internal TS If the user is to make TS analysis on the TS demodulated and decoded from the RF input select this item 6 External TS If the user is to make TS analysis on the TS from outside input directly select this item 7 Channel Scan Configuration To configure the thresholds used in channel scan as described in Section 5 Clause 6 1 for DVB C demodulation and measurement module 8 TS Background Color Configuration Click this item to open a pop up window to configure the background color of TS table Language Selected by the analyzer automatically 58 _ Deere AV5462 1 4 Calibration As described in Section 9 1 5 Help 1 Content Click it to open the User s Manual 2 About Click it to check the instrument brief information 2 To load the setup automatically When the application is about to exit a small pop up dialog will open to prompt the user to set current setup loaded automatically at next startup or not 3 Log Lock Click the Log Lock button at the bottom of the main window of TS Analysis to stop refreshing Error Log Click it again to restart the refreshing This function is helpful to view the error log without stop analyzing process 4 TrapView Trap View is a tool provided to review the Error Log recorded 4 1 Click the TrapViewer icon on the desktop to bring up the operation dialog as below TR 101 290 Trap Viewer 14144 H Ex AA H Eg Mit IPH 127001
35. ermined by the center frequency of current channel and its symbol rate BW SRx1 35 Paan Fc BWa 2 Fend Fe BW 2 BW the bandwidth of current channel Fstart the start frequency of sweep Feng the end frequency of sweep F the center frequency of current channel a Setin Span textbox MHz Or b To change the span with up down arrow keys at a BW step when the cursor is in channel spectrum display area 5 2 To Sweep Press ChSpect button to start channel spectrum sweep to stop it just press the button again Move the cursor into channel spectrum display area and double click it to zoom in the display or zoom out it left click the mouse in this area or press left right arrow keys to view the information of each measured point 6 Input Gain Select InputGain Amplify or attenuate the DVB S RF signal to a proper level range before it is fed into demodulation module 7 Reference Level Select RefLevel The reference level is shared by channel scan channel spectrum sweep and tilt measurement To achieve a better performance the reference level should be set above the maximum level detected with 5 10dB margin 8 Setup Save Load Left click SaveSetup button to open a pop up dialog input a character string as the name of file to save the setup and then click the Save button to confirm it Left click LoadSetup button to open a pop up dialog select the file to load and then click the Open button to import the se
36. ginning in first byte 1 the field located from eleventh bit to twenty third bit which occupy 13 bits 11 13 It is very easy to locate a PID in data packet according to the combination location Drag the slide bar under the window to see all fields If the field name is not completely displayed drag the column divider bars above the field name and between the columns to enlarge 52 __ Perec AV5462 or shrink the field display size 5 12 PSI SI Structure See Figure 2 38 fe AVS462EF ORES MR ei RSM 1878 v A TRT HR T Tp He TRT TRT ERAN AA nos RRR ee ee ee ee uuu aa EEE EEE EEE EEE EEE aa EE EE EE EEE EE EEA Figure 2 38 PSI SI Structure Open the page PsiS1 Structure to see the window like Figure 2 38 above First select the PID type in Select PID Type list located in the left and then press Refresh to display the info table displayed in right window unexpanded The structure of whole table will be expanded step by step as you double click each table name Every row is displayed with the field name and hex value such as table id 0x0 5 13 Buffer Analysis The every buffers are defined by ISO IEC 13818 1 in detail 53 _InerHco AV5462 PS AY5462 T HAS Se a RENI 21248 Xit RE Wa UH SISSA FEROE TERREI Wea RAAR sE ID 302 TSId 1 Boa Figure 2 39 Buffer Analysis When the Buffer Analysis page is opened select a program ID from the list at the top
37. he background of the row in which the TS reside will turn to a brighter color double click the row to open the window of monitoring as shown in Figure 31 __ Perec AV5462 2 16 5 2 TS Tree Structure The TS tree structure is on the left of transport stream analysis main window click the solid right arrow gt on its right border to expand as below 14154628 FASI MARI Eo EL sl 1129 HET ff CCTY 3840H 27500 mpg Xi sE Bae RH JE 127 0 0 1 783 2 IS TS 3 o B PAT PID 0 f amp amp ID D 5E Sr 8 9 LG PMT PID 257 f amp amp 3KID 2 35EIID 301 CC TV 1 PID 512 13818 2 MI 2588 2 PID 650 13818 3 Ban 2 RI 4 EE PCR PID 8190 9 A PMT PID 258 f amp amp XID 2 5B ID 302 CCTV 2 PID 513 13818 2 MI 3684 2 PID 660 13818 3 Bsa 9 4 EA PCR PID 8190 9 LG PMT PID 259 f amp XID 2 458 ID 303 CCTV 7 PID 514 13818 2 MISA 358 2 PID 670 13818 3 Baa 3 U 4 PCR PID 8190 9 4 PMT PID 260 8 1D 2 E1D 304 CCTV 10 PID 515 13818 2 MI 3580 2 PID 680 13818 3 Baa 35RI 4 EE PCR PID 8190 9 ij PMT PID 261 A amp XID 2 FB ID 305 CCTV 1 1 PID 516 13818 2 MI 2688 2 PID 690 13818 3 Bsn 3E8I 4 PCR PID 8190 9 4 PMT PID 262 ABRID 2 HA ID 306 CCTV 12 PID 517 13818 2 MI 3688 2 PID 700 13818 3 Bsa W 4 PCR PID 8190 9 4 PMT PID 263 f amp amp 3KID 2 458 ID 307 CCTV MUSIC PID 518 13818 2 MISA 25 2 PID 710 13818 3 Baa 3ERI 4 PCR PID 8190 9 4 PMT PID 265 f amp amp 3KID 2 438 ID 655
38. he file to load and then click the Open button to import the setup in this file Results Save Load Left click SaveResults button to open a pop up dialog input a character string as the name of file to save the measurement results and then click the Save button to confirm it Left click LoadResults button to open a pop up dialog select the file to load and then click the Open button to import the measurement results in this file Section 6 DVB S RF Demodulation and Measurement Connection AV 54062 As below DVB S RF Signal 20 Fwoene AV 5462 Figure 2 11 Connection for DVB S RF Demodulation and Measurement 2 Screen Layout As shown in figure 2 12 the screen of DVB S RF demodulation and measurement can be divided into control panel channel edit and scan panel channel spectrum display area constellation display area lock status display area and key parameters measurement results display area AVS 462 CF Se HE H E a BIS 2 R SS PEE M RB Ba tek AR SMBH AAS M FITA E QPSK E E s1s0MHz 9DdBu wy O AE gt Cin k Nin mm 54dBuV Save O Sa TUE T IIVVERETOOORTE d E i eer ERICA A d eee pun O Lures REIR DOdBu y 1250 4MHz SPAN 39 2MHz a D R af X FBR Figure 2 12 Screen of DVB S RF Test and Measurement 3 Channel Edit and Scan To build a channel table save it into a specified file download any valid channel in the ta
39. ief information of all PSI SI carried in a transport stream 290 Bitrate Bite rate statistics PSI SI structure To display PSI SI information in a tree structure TS output ASI BNC 750 TS External Analysis Interface ASI BNC 750 Bitrate 1 56Mbps Packet length Video Audio 188B 204B auto detect monitoring Video Audio Displayed on the screen Fed to speaker Front Panel RF input Interface DI Z e Impedance VSWR typ 1 5 TS input output N UA 3 Chapter 3 Specifications and Fundamentals CA TY Keyboard touch panel mini keyboard mouse KM Calibration output Frequency 480MHz Level 20dBm 0 5dB 25 C Internal reference clock Frequency 10MHz Accuracy 0 5ppm VGA RS 232 9pin D SUB Ethernet 2x100Mbps PS 2 shared by mouse and keyboard SPI 25pin D SUB Power inlet 220V 10 50Hz Operating temperature Chapter 3 Specifications and Fundamentals Section 2 Fundamentals The block diagram below shows how the instrument works RF Signal Program Play TS Analysis Module Keyboard amp TouchPanel Figure 3 1 Block Diagram of AV5462 The attenuator at the input of the instrument adjusts the level of the measurement signal to the level range that the mixer can handle without overdriving it With the input from LO local oscillator the mixer converts the RF input to IF signal After the amplification IF
40. lecting an event trigger the user will be able to record these specific error events See Figure 2 35 49 ieee 462 EE ES dul Eb a E EJ Ll aa 1a EN ERE ENEE El Figure 2 35 Dialog of Recording Trigger by Events The user clicks the TS recording configuration window and selects the event trigger Drag the file size icon to set the recording size Drag the Pre recording icon to set the time of the event trigger When an error occurs the analyzer will start recording TS There are two types of recording start points for the event trigger 1 When an error occurs the analyzer starts recording the TS Pre recording time is zero 2 Recording starts before errors occurs For example with the advanced recording slider dragged to the 50 position the errors will be recorded in the middle of the recording file In another example if the file size has 10 000 packets and the pre recording setting is 50 then the recording start point will be at the 5 000 packets position The time stamp can be added into the recording file Trigger by event allows all three priority errors and any logical combination of these AND OR errors for example the user checks PMT errors and PCR repetition errors then selects Logic AND When PMT and PCR error happen at the same time the analyzer will start recording After completing the settings click OK button then the recording is now ready 5 11 Grammar Analysis 5 11 1 TS Packets
41. lem happens and cannot be solved with telephone assistance we recommend you sending the instrument back to factory with the cautions below a b c d e f g Deliver it with a detailed description of the fault phenomenon Pack the instrument with ESD plastic bag to prevent damage from electrostatic discharge To put the instrument into a outer package padded with foam cushion Seal the outer package with adhesive tape and make sure it 1s bundled firmly Put some caution mark such as Frangible on the package To deliver it on precision instrument standard Reserve the delivering bill Caution Don t use other cushion material such as polystyrene globule in shipment because it will get into the instrument easily and causes some damage 57
42. malta Rsa 59 T EOLO A O 59 Mbit eros 59 F MI ri 60 Chapter 3 Specilications amp AA 48 Section LS PeCiICAlONS solitaria 48 De COM ZT SAA estan iato E odio lids E E derbi dits 55 Chapter 4 Maintenance and H 22 TT A 55 Section iL VU aie CAIN ni MATRIMONI 55 PODET DOM Fb Ua DOM E T 55 2 Power Supply and ESD R gultemients s ette mtt te m AA sien 55 AAA eec ec AM MD ac UU E 55 I Problems May DE e eR ER Ron A ee 55 Whether the reference level ds Seb CORFCGHSCOE NOL ao roe e IRN 56 C le 57 Wohoo A586 Chapter 1 Overview Applications Digital Television Integrated Analyzer is wildly applied in many different fields including DTV transmission device R amp D manufacture and maintenance construction and acceptance of DTV network To meet the demand of the rapid growth of DTV industry Tianjin Wenhao designed a new generation analyzer AV5462 based on several instruments into a cabinet of only four height units in compliance with DVB C DVB S DMB TH It covers three layers test functions as follows RF measurement protocol analysis and video audio monitoring 2 Attention Please check it as follows before the first startup if you have any problem contact us at your convenience and we will provide you with help in time 2 1 Checking Packaging and Order List a Inspect the shipping container to examine whether it s damaged b Unpack it and make sure the standard accessories and the ordered option
43. must ensure the proper decode of a transport stream 2 Second priority Continuous or periodic monitoring of transport stream mostly of PCR Program Clock Reference 3 Third priority application dependant monitoring used in some applications such as DVB SI to ensure service information which 19 passed to end user See Figure 2 24 38 AV5462 vi vi vi P wi ivi vi RI SI SI SI SI NI I RI SI SI SI SI NIS RI SI SI SI SI NIS Figure 2 24 TR101 290 Error Monitoring Window 5 7 Error Statistics The Error Statistics report 1s displayed in a first priority second priority and third priority window Every error includes three parts error name choice box and counter The error counter has three colors which are e The green means no error e The red means error e The yellow means an error in that error name category but the system is unable to define an exact counter number The error counter begins counting with the first error found and continues until the transport stream is shut off To clear the error report count within a particular transport stream right click on the transport stream ID in the Transport stream tree window and a pop up window will open displaying all three priorities You may clear each error count individually 5 7 2 Monitoring Errors Selection The user can enable any one of 27 errors in three priorities The default is all 27 errors selected When the user wants to ch
44. nges and exit See Figure 2 26 40 nao AV5462 saiz fe Fa PPT 0 500000000 PATELE AB 0500000000 PM TEREA HT ANANE 0500000000 ae aa 5 000000000 PCRee Ete eles 0 039999999 P CREE aa aa 0 100000001 PERRA MERE 0 000000500 PT See aa o 699999988 JE METE eel 10 000000000 17 MEA 0 025000000 NIT SG A PTB RES 10 000000000 ees RUBER 0 025000000 NI Te EET T ROI ha 10 000000000 177 EATER ERI 10 000000000 17 SD TS alee Ae aa 2000000000 SDE hey HBAS 10 000000000 EITPF3BBU EE A SERT Bl ROS 2000000000 ETPRE Gees SERT TRI ROS 10 000DDDDDD EITSS BUGS ZEB Shea a 10 000000000 ETS ERASE ATA Ala 10 000000000 ETSE Eee TESA les 110 000000000 ETSE CRA HA bR SO 000000000 HATA BB Figure 2 26 The Configuration Dialog of TS Testing Parameters 5 8 PCR Measurement 1 The measurement of the Program Clock Reference PCR includes e PCR Accuracy PCR AC The PCR Accuracy is the difference of real PCR value and PCR value carried in the transport stream Its tolerance is 500 ns in ISO IEC 13818 1 1 e PCR Frequency Offset The PCR Frequency Offset is the difference of the original program clock frequency and the received program clock frequency Its tolerance is 810 Hz or 30 ppm in ISO IEC 13818 1 1 e PCR Overall Jitter The PCR Overall Jitter is the difference between the real PCR arrival time at the measurement point and the supposed PCR arrival time Its tolerance is 25s in ISO IEC 13818 1 1 The PCR
45. o the table immediately 2 To modify the measurement points in the table Left click on the row in which the frequency to be modified resides the value will be displayed in the textbox modify it and press Enter OK to commit if the input is valid the value in the table will be updated immediately 3 To remove a measurement point from the table Left click the row in which the point value resides and then press the Delete button to remove it 4 To remove all measurement points in table Left click Clear button to remove all measurement points in table 8 2 Measurement 16 8 3 8 4 8 5 Click Meas button to start tilt measurement the results will be displayed in the left graph area and the levels of each frequency points will be shown in the setting table Save Left click Save button to open a pop up dialog input a character string as the name of file to save the setup and measurement results and then click the Save button to confirm Open Left click Open button to open a pop up dialog select the file to load and click the Open button to import measurement points set and its measurement results Exit Left click Exit to close the dialog of tilt measurement if the measurement is not completed yet it will be stopped at first Note The tilt measurement s setup will be saved into a default file automatically while the dialog 1s about to close Next time when the dialog is
46. on 2 Window Layout See Figure 2 42 56 Ha AV dB HB dB Figure 2 42 Calibration Window 3 Calibration Operation 3 Auto Calibrating Select the Auto Calibrating item in the To Cablibrate drop list and click the Start button to start it the messages of calibration progress will be displayed in the left window 3 2 Individual Calibrating Select one calibrating item in the To Cablibrate drop list other than Auto Calibrating or Reset then click the Start button to start it 3 3 Reset Select this item in the To Cablibrate drop list and click the Start button to reset calibration data to original Section 10 Others Operation 1 Menu 1 1 File 1 Open 57 1 2 1 3 E AV5462 To select the file for offline TS analysis 2 File Download To download the measurement setup and results from AV5462 Analyzer through Ethernet 3 Print To print current screen 4 Exit To stop measurement process and close the main window Set 1 Internal 10MHz Reference Clock Select this item to take the internal 10M Hz clock as the reference clock of mixer module 2 External 10MHz Reference Clock Select this item to take the 10MHz clock input from outside as the reference clock of mixer module 3 500 RF Input If characteristic impedance of the RF input cable is 50Q this item should be selected 4 75Q RF Input If characteristic impedance of the RF input cable is 70Q and the 75Q 50Q convert
47. ower switch on the rear panel and the yellow led above Power button on the front panel which indicates the instrument is in standby status is turned on then press the Power button on the front panel to startup the instrument if the green led above it is lit the instrument succeed in operating status press this button again will shutdown the instrument but it s highly recommended to shutdown it through its OS b The initialization of initialization will cost about 2 minutes c The normal warn up will take 5 minutes while a more precise measurement will cost at least 30 minutes d Calibration will be done before verifying characteristics Section 2 Front Panel Caution The maximum RF input level is 30dBm with a programmable 50dB input attenuation in 10dB step The maximum DC voltage to RF input is 30V to input a signal of voltage exceeding this value will damage the input attenuator and mixer after that The front panel contains power button reset button TFT LCD interfaces mini keyboard touch panel etc as shown below O fw oHee eee E AV5462 Figure 2 1 Front Panel Reset button To reset the instrument LCD 8 4 inch TFT with resolution 1024x768pixels 69 Power button and LEDs Yellow LED indicates standby status and the green one for operating status Mini keyboard Number keys Arrow keys and etc TS output Transport Stream Output Interface TS input Transport Stream
48. process and 35 Chapter 3 Specifications and Fundamentals logarithmic amplification the IF signal is fed into the detector then the detecting value is read and display on the screen Another path of input RF signal comes to the demodulation module After demodulation and decoding the signal is converted a ASI standard format which is put into the next module to do TS analysis With the information from TS analysis the program without encryption is ready for playing The CPU module takes charge of controlling all the modules connected with it through buses Any desktop computer can remote control the analyzer with the help of VNC through ethernet 56 Part 3 Maintenance Part 3 Maintenance Chapter 4 Maintenance and Troubleshooting Chapter 4 Maintenance and Troubleshooting Section 1 Maintenance L Maintenance AS a precision instrument please follow the operating process strictly in operating The shell should be keep clean from tiny substances to get inside Keep a good draught is also necessary in operating and a cover of certain cloth to protect it from dust is needed The connectors on the front panel and the rear panel should be masked to keep them clean because the measurement accuracy will suffer from dirty interfaces 2 Power Supply and ESD Requirements Refer the details to Chapter 1 Caution Make sure the instrument is grounded before it is powered Use the power socket with ground terminal and well grounded If
49. rm it Setup Load LoadSetup Left click LoadSetup button to open a pop up dialog select the file to load and then click the Open button to import the setup in this file 7 Results Save Load 7 1 Results Save SaveResults 10 Left click SaveResults button to open a pop up dialog input a character string as the name of file to save the measurement results and then click the Save button to confirm it 7 2 Results Load LoadResults Left click LoadResults button to open a pop up dialog select the file to load and then click the Open button to import the measurement results in this file Section 5 DVB C RF Demodulation and Measurement 1 Connection As below AV5462 E O E DVB C RF Signal Figure 2 6 Connection for DVB C RF Demodulation and Measurement 2 Screen Layout As shown in Figure 2 7 the screen of DVB C RF demodulation and measurement can be divided into control panel on the right and the results display area on the left The results display area contains 5 parts channel scan display area channel spectrum display area constellation display area lock status display area and key parameters measurement values display area Fwoenee AV5462 EIE 8 FARM ARANA SS ASMA SE M RE Ra R SBI Mest FANFANI SR RIS HER HURT TSS 8919 SHE ADAFASE DARA 90dBUY DS1 52 5 D Volt null 7 2dBuYy S4dBuv 3b5dBuVv poser puc i TO L CTA 18dBuy OdBuy 44 OMHZ 906 OMHz
50. s contained 500 N BNC Calibration Cable l 750 500 Convertor l AC Power Cord User s Manual Checklist l 2 2 Checking Power Supply The requirements of power supply are Table 1 1 Operation Power Voltage 220V 10 AC gt 1 8A 50Hz 5 Rated Output Current Frequency To minimize or prevent interference from sharing the same power supply with other devices particularly devices with large power power supply with regulating function is recommended The instrument is equipped with a three wire power cord in accordance with international safety standards which is used to ground the instrument __ dino 5 88 Caution Incorrect grounding will be harmful to instrument and danger to operator 2 3 Electrostatic Discharge Precautions This analyzer was constructed in an electrostatic protected environment because most of the semiconductor devices used in the instrument are susceptible to be damaged by static discharge a ESD desk amp wristlet b ESD floor amp anklet Caution The precautions above is not applied when voltage exceeds 500V __ Tenco vs 62 Chapter 2 Instrument Functions Section First Startup Caution Please check the voltage of power supply and make sure the appropriate fuse installed before connect the plug to the power supply unit Caution Make sure a good aeration when the instrument is operated in a cabinet a After the instrument is correctly connected to power supply press the p
51. se its length is not fixed Scramble Ctrl To indicate the scrambling mode of the PES packet payload Priority Flag To indicate the priority of the payload in this PES packet Align Ind To indicate that the PES packet header is immediately followed by the video start code or audio syncword indicated in the data stream alignment descriptor if this descriptor is present Copyright To indicate whether the payload contained in the PES is protected by copyright or not Original To indicate PES packet payload is an original or a copy 5 6 PSISI Information See Figure 2 23 fe AY5462RF HRS Ss With CI PARUM Mia 1251 ETEF CCT 3840H 27500 mpg Pave Se Figure 2 23 PSI SI of TS Showing Information Type PSI such as PAT PMT CAT TSDT SI such as BAT DIT EIT NIT RST SDT SIT ST TDT and TOT PID The PID assigned to PSI SI Table ID Identification number of PSI or SI table Packets The current total number of packets received with a PID and Table ID Bitrate Mbit s The transport bit rate of the a PID and TableID 5 7 TR 101 290 Error Monitoring According to ETSI TR 101 290 standard of error monitoring for DVB for detection of cable satellite and terrestrial delivery systems of an MPEG 2 transport stream and evaluation of its quality in transportation Three error priorities including 27 errors are defined by the standard for monitoring MPEG 2 PSI DVB SI and PCR 1 First priority basic error monitoring which
52. status running 35 __ Perec AV5462 Language eng Event name Dialogue Event description The brief recommendation of program 5 5 Packeted Elementary Stream PES Information See Figure 2 22 ng IEEE LES MR 21H TIG 122818 BBY PF CCTY 3840H 27500 mpg Xit RE Bm m det PPLE ITE TAI EP ent ELELE ttt EE EEE PESEE EREET Poppy DE aaa eae ale ale aaa wa aaa ce Vr A RARA NARRAR RARAS AEREA ARA OE OEE EEE OEE EEE EEE EEE EEE EEE EEE EEE EEE EE EEE EEE EEE EEE EEE EEE EEE EEE EE EEE EEE EEE EEE EEE tutus IAS SERRA Figure 2 22 PES Information of TS Showing information 1 PES Basic Information PES PID To identify the packets assigned to the PES Type PES type Service ID The ID of service this PES belongs to Packets Current number of PES packets received Bandwidth The occupation of PES packets in current TS Rate Mbit s The bit rate of data used to carry the PES Left click any row in the table to view the PES header information in the south window below 2 PES Header Information 36 E TREE eee E PID To identify the packets to carry the PES Program Number The ID of program this PES belongs to PacketStartCodePrefix 0x000001 used to identify the start of PES packet Stream ID The ID used to identify the stream type Packet Length To specify the number of bytes in the PES packet following the last byte of the field variable length is only used to video elementary stream becau
53. sults contains Channel Power CNR SNR Error Block Ratio If it is in auto operation mode Carrier Mode Demodulation PN Interleaver Mode and Code Rate will be detected automatically As soon as the channel is full locked the TS module can be brought up to do the TS analysis on stream decoded 7 1 Settings 1 Operation Mode OperMode a Auto In this mode step 2 to 6 will be ignored the parameters related is to be detected automatically in channel measurement process b Manual In this mode step 2 to 6 will be set appropriately refer all valid sets to GB20600 2006 Framing structure channel coding and modulation for digital television terrestrial broadcasting system 2 Carrier Mode Use mouse or touch panel to select the carrier mode from follows Single Carrier Multi Carrier 3 Modulation User mouse or touch panel to select the modulation type from follows 4QAM NR 4QAM 160AM 32QAM 64QAM 4 Frame Header Mode FrameHeader User mouse or touch panel to select the frame header mode from follows PN420 PN595 PN945 5 Interleaver Mode Use mouse or touch panel to select the interleaver mode from follows M 240 M 720 6 Code Rate 24 Use mouse or touch panel to select the code rate from follows 0 4 0 6 0 8 7 Channel Setting a User defined Select UserDefCh in the ChSel drop list input a value in UserDefCh textbox below as the channel s center frequency Unit MHz Range 44 906 Decimal digits
54. t Center Frequency Double click a cell in this column into editing state input a number then press Enter OK key to commit it the video carrier frequency and audio carrier frequency useful in analog mode will be updated automatically If the frequency set already exists in the default channel table its default channel number will be displayed in the right adjacent cell Digital Analog Select Left click a cell in this column a pop up list will open use mouse or touch panel to select the channel mode from follows Digital Analog Demodulation Left click a cell in this column a pop up list will open use mouse or touch panel to set the 13 nian AV5462 demodulation type from follows 4QAM 16QAM 32Q AM 64QAM 128QAM 256QAM 3 5 Symbol Rate SR Only available to digital channel Double click one cell in the column into edit state input a number then press Enter OK key to commit it 3 6 Enable Left click any cell in the column to select or unselect the channel represented by the row for saving or download operation 3 7 Select All To select all the valid channels in current table 3 8 Unselect All To unselect all the channels selected 3 9 Ascending To sort channels in the table in ascending order according to center frequency 3 10 Open File Left click OpenFile button to open a pop up dialog select the file to load and then click the Open button to import the channel table in this file 3 11 Sav
55. tup in this file 24 9 Results Save Load Left click SaveResults button to open a pop up dialog input a character string as the name of file to save the measurement results and then click the Save button to confirm it Left click LoadResults button to open a pop up dialog select the file to load and then click the Open button to import the measurement results in this file Section 7 DMB TH RF Demodulation and Measurement 1 Connection As below AV5462 ago AV S462 See HLL E E DMB TH RF Signal Figure 2 13 Connection for DMB TH RF Demodulation and Measurement 2 Screen Layout As shown in figure 2 14 the screen of DMB TH RF demodulation and measurement can be divided into control panel channel scan display area channel spectrum display area lock status display area and key parameters measurement results display area 25 woes AV5462 Tarso FAGOR ANITA SE J Pje E Mit RE Ra B AB f MES FRESA S RIRI IE DeXrceed spH SS ME FATE 19 SUE HA g dBuv CH01 179 0MHz Volt null 94dbu wv 36dBuwy po D Es cH01 179 0 y Haee IAT v OdBuYy 9 ABA Z gt FERRERO Ue d 13 ASHE T 3 EH E j N 51 0MHz 858 Eccl Lor 90cBuy EGRIRA 87873 x PRUPISIRS RAE E RRA sser Tanga 18 SA Bana 3 6 d B LN rn n APP etn nsn e s n o DI 1 a d E LN OO i O O i IO AO i r MEE Lak Lanz RAWH OdBuy 175 0MHz SPAN 8 0
56. tuu alors a Sloane who cae ads goose oS 20 I2 Rercionco Se E UE A MEE 20 5 Setup Save Ta idad diia 20 l4 ResultsSave Odd da ii 20 Section OS ate MISE VD wages ssa ste se A A HU P 20 ME CUISSON UU TT EET 20 2 I UM LE TET crx cT EET 21 3 Channels Bdit and Sedi uo om ico ies turis i A a 21 4 Channel Measure ment salita 23 S Channel Spectrum Sweep OA a 23 6 Input Gat Select nc scented E m 24 7 SReretence beve Eole imss dnde dolar 24 B i SCtUp Save Load dota da 24 9v Results Save LOA caus toon Aia 24 Seetionalenestrial DNEB E Hills 25 A A alal aaa 25 2 A Day OUE rione 25 F C Gls Mee T GIL eei eR M NM MM ME 26 4 Channels Impor Chlmpotrt rele 26 gt CNES a a iS ao iia 26 6 Auo Measure MISI e lea 2 T uHanneleasute LT nati parterre leoni anale td co foie fett oi 27 X hanne Spec SEO Derio etc aiii 28 29 Input Gain Select usto ITO UOI TO OU ITO ID UD DET Iu ev a Cus esta tut IE 29 10 Reference Level Select RR arcana e ili nni 29 l i SCRIP soave Eoad AA eee T 29 2 REES Ve ET daran datetime 29 Sections TS Amdlysis ad 29 Mc O TT mE 29 De PIRANO HEHEHE 30 gt Analysis OF Live Sacco EO 30 4 AASS OLONE TS TTT 30 S AnaS S Modi Lod ime ner tne N RS N MEDIE N 31 Section 9 C allbEdllOfE oriei e EA EE EEE AE T R 56 Ms E 56 2 Window ay OU c E E E a N M 56 Ee Ee A EE E A E E E ETEN ee o ai EE et KS SLI DI IS TTT 57 ME umo cP P gt 2 To load thesewp alto
57. use or touch panel to select the level per divider of Y Axis from follows Logarithm Scale 10dB 9dB 8dB 7dB 6dB 5dB 4dB 3dB 2dB 1dB Linear Scale max x1 max x1 2 max x 1 4 max x 1 8 max reference level MaxTrace Press this button down to enable the active marker trace the maximum level in current spectrum curve MaxHold In Cont Sweep mode without averaging press this button down to maintain the active marker displayed at the point where the maximum level is A trace point is updated if a new maximum level is detected in successive sweeps Single Sweep Single Press this button down to make the analyzer sweep once The measurement will only be repeated if you press it again 3 6 6 1 6 2 Continuous Sweep Cont Press this button down to make the analyzer performs sweep repeatedly press it again will to stop it To view zero span continuous measurement results After this measurement stopped use four buttons on the right to the view lt to view the first screen to the last to the previous and to the next Limit Lines The limit lines used to examine whether the level is in the specified range or not are set by moving the tiny solid triangle arrow outside the grid s right border in vertical Setup Save Load Setup Save SaveSetup Left click SaveSetup button to open a pop up dialog input a character string as the name of file to save the setup and then click the Save button to confi
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