AT2500RQvPlus
Contents
1. Digital Tests Cont Micro Reflections lt 10 dec 15 lt 1 5 d c 20 45 43 38 41 42 38 37 37 36 41 36 35 36 38 39 37 37 36 45 45 460 a4 4o si 42 45 34 41i 36 43 44 Firmwere Version Channel Count 4 40 003 A 7 D 12 AT2500RQvPlus 2 Specifications Frequency Tuning Range 0 1500 MHz Calibrated Frequency Range 5 1500 MHz Frequency Reference Aging 1 PPM yr Frequency Reference Temperature Stability 1 PPM 0 to 50 C Frequency Counter Accuracy 1 PPM 1 count Frequency Counter Resolution 10 Hz Single Sideband Phase Noise at 10 kHz Offset e 85 dBc Hz typical e 83 dBc Hz minimum Spans Max Span 1500 MHz Variable Spans 0 1 to 1500 MHz user programmable Zero Span Sweep Time Max Span and gt 1000 MHz 30 ms Other spans lt 1000 MHz 20 ms to 5s in 2 5 10 20 sequence Reduced Spans lt 500 MHz lt 100 MHz lt 50 MHz 2 4 10 ms Zero Span Horizontal Time 0 05 ms to 500 in 1 2 5 10 sequence Resolution Bandwidth 1 MHz Selectivity 5 3 to 1 60 dB 3 dB 300 kHz Selectivity 3 1 to 1 60 dB 3 dB 30 kHz Selectivity 2 to 1 60 dB 3 dB 10 kHz Selectivity 2 to 1 60 dB 3 dB Video Bandwidth 10 KHz 100 KHz 1 MHz 6 dB octave Amplitude Signal Level Range 70 dBmV min 70 dBmV max Maximum Safe Input 68 dBmV 100V AC DC Level Accuracy 0 75 dB max 5 1500 MHz Sensitivity 65 dBmV Level Resolution2. 0 5 from 1 to 5 1 from 5 to 10 Modulation Depth e AM Range 40 to 95 e Resolution 0 1 e Accuracy 1 5 CCN gt 40 dB e Signal type Use VITS line with white reference In Channel Frequency Response e Range 10 dB e Resolution 0 1 dB e Accuracy 0 25 dB e Signal Type Use VITS line with full amplitude CATV multiburst signal ghost canceling reference signal or video sweep Carrier to Composite Noise Ratio e Optimum Signal Range 5 dBmV to 10 dBmV noise measured with 0 dB Attenuation e Maximum CCN 60 dB with 1 dB accuracy 65 dB with 3 dB e Accuracy 0 25 e Resolution 0 1 dB CSO CTB e Optimum Signal Range 0 dBmV to 10 dBmV beat measured with 0 5 dB attenuation e Maximum CSO CTB 70 dB with 1 5 dB accuracy 77 dB with 4 dB accuracy Resolution 0 1 dB Digital Measurement QAM 16 64 256 Specifications Modulation Modulation Type 16 64 256 QAM ITU T J 83 Annex A B amp C DVS DVB DOCSIS EuroDOCSIS Interleave Capability In Annex B up to 128 x 4 In Annex A C 12 x 17 Constellation Display 16 64 and 256 QAM Full constellation with zoom capability Adaptive Equalizer Display Number of Taps 8 feed forward 24 feedback Adaptive Equalizer Control On Freeze Variable Off Scale 10 to 80 dBc Frequency response over signal bandwidth 5 to 5 dB Group delay over signal bandwidth 1000 to 1000 nSec AT2500RQvPlus 3 Digital Carrier Average Power Measurement Amplitude Range 30 to 6
3. 0 1 dB Input Impedance 75 Ohms Input Return Loss Attenuator 5 dB e 20 dB typical 14 dB min Input Return Loss Attenuator 0 dB e 16 dB typical 10 dB min Noise Figure 5 1500 MHz e 8 dB typical 11 dB max Internally generated CTB e Better than 70 dB 79 channel loading at Full Scale Att lt 20dB Pre amp ON Filter AUTO ON Internally generated CSO e Better than 70 dB 79 channel loading at Full Scale Att lt 20dB Pre amp ON Filter AUTO ON Vertical Scale 10 5 2 dB div 70 dB full scale Reference Level Range 70 10 dB Attenuator 0 65 dB 5 dB steps SPECIFICATIONS CATV Measurement Specifications Channel Selection Frequency Channel Video Channel Audio Channel Plans Custom plans NTSC EIA HRC IRC PAL B G I D or other Maximum of 350 signals analog digital FM upstream test etc PC based and internal complete channel plan editor Tuning Range 0 MHz to 1 5 GHz Calibrated Operating Range 5 MHz to 1 5 GHz TV Channel Amplitude Range 40 dBmV to 65 dBmV 0 75 dB for S N gt 30 dB TV Visual Frequency e Accuracy Carrier Frequency 1 e PPM Resolution 10 Hz Visual Aural Delta Frequency e Range 1 10 MHz e Accuracy 200 Hz e Resolution 10 Hz e Visual Aural Delta Amplitude 0 75 dB for S N gt 30 dB FM Deviation e Range 150 kHz de emphasis 75 usec e Accuracy 2 kHz 1 75 kHz 5 kHz to 150 kHz HUM Low Frequency Disturbances e Modes CW or Video In Service Range 1 10 e Accuracy
4. 5 dBmV Resolution 0 1 dB Absolute Accuracy 1 5 dB Measurement Range 200 kHz to 1500 MHz Modulation Error Ratio MER Range 22 to 40 dB Accuracy 0 5 22 to 30 dB 1 30 to 38 dB 1 7dB 38 to 43 dB Error Vector Magnitude EVM Range 0 65 to 4 1 Bit Error Rate BER 1 second period BER before and after R S Decoding e Range 0 to 1 0 x 10 e User selectable time rest period 1 to 60 minutes Estimated average BER before and after R S Decoding e Range 0 to 1 0 x 10 e User selectable time period 1 to 60 minutes 7 days with ReVeal WinCOM remote control software Resolution 1s Estimated Noise Margin Range 1 to 12 dB Accuracy 0 5 22 to 30 dB 1 30 to 38 dB 1 7dB 38 to 40 dB Data Logging User selectable time period 1 to 60 minutes 7 days with ReVeal WinCOM remote control software MER Pre and Post BER errored seconds severely errored seconds Frame Loss system unavailability time Resolution 1s Symbol Rate Range 1 to 7 MS s Analog Video Measurements Function Available features Waveform Monitor 1 2 or 3 user selectable lines plus x 10 zoom of one line Vertical scale of 20 10 or 5 IRE div reference offset Horizontal and vertical markers Average 1 to 50 Luminance chrominance and noise weighting filters Vectorscope One selectable line vector gain adjustment and phase rotation Measurements e Differential gain and phase e Luminance to chrominance delay and gain e Depth of modulatio
5. 6 4 in 162 5 mm Display Type Display Size 2014 VeEX Inc All rights reserved VeEX is a registered trademark of VeEX Inc The information contained in this document is accurate However we reserve the right to change any contents at any time without notice We accept no responsibility for any errors or omissions In case of discrepancy the web version takes precedence over any printed literature D05 00 065P A00 2014 07
6. AT2500RQvPlus CATV QAM Video Spectrum Analyzer The AT2500RQvPlus is the industry s most complete spectrum analyzer combining superior QAM analysis and best in class analog measurement capability The enhanced AT Web automates both the analog and digital proof of performance tests saving time making tests consistent and providing excellent documentation Today s broadband network technicians face the challenge of keeping the soon to be all digital cable plant operating at peak performance at all times With its enhanced QAM performance the AT2500RQvPlus allows technicians to quickly perform sophisticated tests and get accurate results at higher MER levels even on those difficult Annex A QAMs The VeEX AT2500RQvpPlus is a lightweight full featured 1 5 GHz spectrum analyzer built to withstand the rigors of field use and to perform equally as well in today s sophisticated headend environments Benefits e Performs QAM detailed measurements on Annex B amp CQAM signals with one button testing on a remote IP connection e Provides Headend and Hub testing with 43dB MER capabilities e Detects QAM RF signal impairments before they turn into customer complaints e Integrated analog and digital measurements both local and remote in one analyzer e Isolates difficult to locate problems using comprehensive QAM Impairment Analysis Platform Highlights e Automated switch control for up to 256 ports e 43 dB MER range e O
7. ER 0 20 0 YW ny Post BER 0 40 1 ENM dB 14 8 3 2 1i C 12 3 w a j illl lill Malh iia SYMB LOCK 80 al il 20 FEC LOCK 1 40 us 0 40 us 0 60ps 1 60ps 2 60ps 3 60ys 4 60 us 0 APh Ap STREAM LOCK 20 3 2 1 CF 1 2 3 MER Pre BER J Post BER 45 40 e Use any one of several modes for troubleshooting your all digital network including Digital Power Constellation display Statistic stats Equalizer Frequency Response Group Delay MER EVM ENM and an all inclusive QAM Impairment Analysis mode for 64 and 256 QAM This unique set of measurements helps you quickly analyze and repair difficult digital problems with ease e Export your remote digital measurements to an easily managed standard CSV file e In addition to Digital Proof of Performance the AT2500RQv helps you perform your analog proof of performance testing in a minimum amount of time For example MER BER EVM ENM Phase Noise Group Delay and Reflection measurements on a specific channel are performed with the push of one button e Troubleshoot upstream or downstream impairments with one of the best CATV spectrum analyzers on the market The AT2500RQv is a full featured spectrum analyzer focused on the needs of the CATV industry With its wide frequency control 0 to 1 5 GHz multiple RBW setting 10 30 300 and 1000 kHz multiple VBW 10 100 and 1000 kHz and high dynamic range 70 dB the AT2500 is able to tackle any RF problem in your HFC network e Switch input
8. n and modulation linearity e Signal to noise unweighted and weighted e FFC limits pass fail indicator Measurement setup the type of video test signal determines the available measurements markers allow positioning the sampling location VeEX Inc 2827 Lakeview Court Fremont CA 94538 USA Tel 1 510 651 0500 Fax 1 510 651 0505 www veexinc com customercare veexinc com VeEX The Verification Experts 0s SPECIFICATIONS Video Measurements Differential Phase 1 5 typical 3 maximum Differential Gain 1 typical 2 maximum Luminance to Chrominance Delay 20 nsec typical 40 nsec maximum Luminance to Chrominance Gain 1 5 typical 3 maximum Depth of Modulation 1 typical 2 maximum Modulation Linearity 1 IRE typical 2 IRE maximum Signal to Noise unweighted 2 dB typical 4 dB maximum Signal to Noise weighted 2 dB typical 4 dB maximum CCN Accuracy Out of Measurement Range CSO CTB Accuracy Out of Measurement Range 80 70 dB 60 50 1 5 dB 40 a 10 E 5 0 5 10 dBmv Standard Accessories Carrying Case User Manual WinCom II data management software Power Supply 16V 4A Null Modem Serial Cable for PC to AT2500RQ connection Calibration Certificate General Size H x W x D 7x12x14in 177 8 x 304 8 x 355 6 mm Weight 19 6 Ibs 8 6 kg minimum with battery TFT Active Matrix Color LCD
9. ne button analog and digital POP proof of performance tests e realPOP data management and Report Generator e Remote operation from any standard web browser e USB drive capability for file transfer e Superior QAM demodulation capability and excellent BER performance featuring MER capability up to 43 dB e AT2500 AT Web offers one button analog and digital proof of performance as well as many other features including remote operation and switch control all via a simple web connection e QAM analysis includes constellation statistics group delay frequency response and impairment analysis for Annex A B and C signals e 1 5 GHz high sensitivity spectrum analyzer with built in automatic filter for increased dynamic range e Automatic Filtering and pre Amp provides exceptional dynamic range for analog and digital measurements even on tilted test points e Complete set of CATV measurements including CCN CSO CTB ICR DOM Hum and carrier frequency e Multiple trace display with detector selection and enhanced markers for added flexibility e Exclusive HUM measurements on Digital QAM signals APPLICATIONS Applications Reset Marker _ Constellation Equalizer _ QIA Freq MHz 525 00 ATT dB 20 w Std Type 383 AnnexB v Modulation gam256 v Symb Rate MS s 5 360537 Polarity Normal v Continuous w Cycle Count Level dBmv 17 6 Equalizer Frequency Response MER dB gt 43 0 0 1 Pre B
10. s instantly via WebRemote with an AT160x RF switch in order to view any impairment on any node connected to the switch bank or simply use the AT2500RQv in conjunction with the AT160x switches to create and view head end and hub test points remotely Loading System file Saved Name pop test Model aT2500R System File ide Test Port Selection e g 1 2 20 24 32 Serial Number 1204 0311 Test Plan Ground Block Current _ Custom Reset Mark all channels tests as Analog Tests Assigend Frequency MHz Level dBmv Channel Number Lock N A N A 25 27 243 0125300 28 249 012500 2553 012500 261 012500 29 30 31 267 012500 33 34 279 012500 285 012300 35 291 0125300 36 297 012500 37 303 012500 38 309 012500 39 315 012500 40 321 012500 4 327 0125300 42 333 025000 43 339 012500 Location Type Plant v Site Default Site User AT Web User Start Time Digital Tests F requenc In Chana amsaa Error Freq Res kHz dB MER PRE BER POST BEF de 224 9 27 9 3 0 7 N A 1 0E 6 Of 7 38 8 o 12 2 1 1 38 4 12 3 4 38 1 12 4 1 3 0 8 1 o o o 12 3 o o 0 6 35 9 39 2 12 4 11 0 0 7 0 8 0 7 0 5 121 0 0 8 39 2 0 7 11 9 0 9 9 7 1 1 0 8 1 1 0 7 9 5 0 6 0 6 0 6 0 6 12 1 12 2 12 2 12 2 12 3 38 9 1 5 24 7 1 5 0 6 0 7 38 7 38 9 11 7 a Calibration Date Manufacturer 2012 12 18 VeEX Stop Time
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AT2500RQvPlus