DSA 1491 - SAT/CATV/TV Signal Analyzer

  • $5,495.00


The DSA 1491 is an all format TV/RF signal analyzer providing today’s engineer a complete, portable tool for resolving digital video broadcast, transport, or reception challenges. Capable of testing and analyzing digital satellite signals, digital TV broadcast channels, cable QAM channels, and ASI MPEG streams, it is a true all-in-one analyzer. The DSA 1491 features a color touchscreen, which eliminates the need for multiple menus and pushbuttons, and achieves the ultimate in user friendliness. The large 9 inch screen provides unprecedented resolution so the user won’t miss problems when analyzing critical constellation and spectrum analyzer test screens. An HDMI interface permits viewing on a larger HDMI monitor or for interface to a multi-viewer system. The DSA 1491 provides powerful digital TV/RF analysis including MER, BER, PER, EVM, noise margin, constellation, and spectral analysis tests. A pass or fail quality indication simplifies interpretation. Additionally, the modulation type, FEC value, encryption type, MPEG services, video/audio program IDs and MPEG format descriptors are displayed providing advanced RF and MPEG signal analysis. The DSA 1491 provides a full arsenal of unique tests and control features to assist technicians in troubleshooting all satellite, cable and TV reception systems. Advanced features include an integrated spectrum analyzer, Auto Discovery, SatFinder, DiSEqC commands, dual LNB monitoring, SCR commands, BarScan, tilt, leakage, ingress and logger tests. The DSA 1491 comes equipped with a protective case, AC power adapter, USB cable, various RF adapters and SMART software.

  • Nine inch high resolution touch screen user interface simplifies navigation and makes complex measurement tasks simple
  • Analyzes MPEG 2/4 SD and HD signals, showing services list, PIDs and decoding free-to-air video
  • H.264 and MPEG-2 video decoding; MPEG, AAC, HE-AAC, Dolby AC3 and E-AC3 (DD+) audio decoding
  • Descrambling capabilities with interface slot for conditional access module
  • Built-in ASI I/O and optional IP I/O interfaces for PID information, decoding and ETR290 analysis. Outputs provide demodulated RF signal to external equipment
  • Up to 6 hours active battery life with automatic battery saver
  • Satellite dish installation and precision alignment for broadcast, military, or government communications facilities
  • Maintenance and troubleshooting of satellite or antenna farms, and broadcast, telco, cable, and satellite head-ends
  • Satellite or broadcast signal analyzing/monitoring where space conservation is critical, such as in remote satellite trucks
  • Troubleshooting of digital TV broadcasts, CATV digital or analog reception and distribution paths
  • Maintenance and testing of digital or analog equipment, such as modulators, receivers, decoders

Frequency Range: SAT: 930 - 2250 MHz
Measure Tuning: By satellite transponder or freq.
Digital Modulation types: DVB-S, DVB-S2 Single Stream, DVB-S2 Multi-Stream
Digital Measurements: Power, Noise Margin, Pre/Post-FEC BER, PER, MER, EVM, Constellation Diagram
Dynamic range: 30 to 130 dBμV
Measurement Accuracy: 1.5 dB typical
LNB Control: V(13V) or H(18V), 22kHz tone, DiSEqC 1.0 and 2.0 SCR and MOTOR 
Symbol Rate: DVB-S- 1 to 45MS/s, DVB-S2- 2 to 45MS/s

Analog Measurement
Frequency Range: 47 to 1000MHz
Dynamic range: 5 to 126 dBμV (-50 to 66 dBmV)
Measure Tuning: By RF channel or freq.
Freq. Resolution: 50kHz
Analog Measurement: Video level, audio level, A/V ratio, C/N
Measurement Accuracy: +/- 1.5 dB (1.0 dB typical)
Level Measurement Resolution: 0.1 dB
A/V Ratio: 4 to 26dB
C/N Ratio: 5 to 45dB
Measure Filter Bandwidth: 100 Khz @ -3 dB

Digital Measurement
Frequency Range: 4 to 1000MHzDigital Cable 
Frequency Resolution: 50kHz
Digital TV Modulation types: 8VSB (optional)
DVB-T/T2 (optional)
ISDB-T (optional)
Digital Measurements: Level, Noise Margin, Pre-Viterbi (bBER),After-Viterbi (aBER), MER, Constellation Diagram
BER Measurement: bBER/aBER up to 1 x 10-9
MER Measurement: up to 40dB
Constellation Diagram: 16-32-64-128-256 QAM

Spectrum Analyzer
Frequency Range: 4 to 2250 MHz
RF Level Range: 5 to 130dBuV
Resolution Bandwidth
TV/CATV: 100kHz
SAT: 4MHz/1MHz selectable
TV/CATV: 5MHz to Full TV/CATV Band
SAT: 50MHz to Full Sat Band
Frequency Sweep: up to 80ms
Special Functions: max hold, spectrum save/ recall, markers

ASI Input
ASI Packet Length: 188 or 204 bytes
ASI Bitrate: 0 to 216Mb/s

ETR101290 v1.2.1 Analysis
Modulation Parameters ID: Modulation type, FEC, symbol
Video Decoding: MPEG-2 MP@ML, MPEG-4/ AVC/H.264 
Audio Decoding: MPEG, AAC, HE-AAC, Dolby AC3 and E-AC3 (DD+)
Bitrate measurement
MPEG Program/Services ID: A/V PIDs, service ID #, video services name list
Modulation Parameters ID: Modulation type, FEC, symbol rate
Encryption/CA System ID: Encryption type indicated
MPEG Header Data: Video format, aspect ratio, MPEG profile/level, audio format, language

Dimensions: 12.7 x 6.9 x 2.4in (323 x 175 x 60mm)
Bare instrument: 4.9lbs (2.2kg)
Instrument with battery: 5.7lbs (2.6kg)
Instrument with battery and bag: 6.8lbs (3.1kg)
Operating Temperature: 0 to 50C
Storage Temperature: -25 to 70C
Humidity: Up to 90% non-condensing
Power: External adapter 110-240VAC 50-60Hz, 12VDC/3A output
Battery: Li-Polymer 10A with up to 6 hours of run time
Display: 9 inch 16:10 800x480 LCD backlit touchscreen display

Soft padded case
AC power adapter
USB cable
F to F, F to BNC, F to N adapters
DSA 1491-ATSC6 - DVB-S/S2, 8VSB, QAM-B/DVB-C and ASI inputs with 6MHz channel filter
DSA 1491-DVB6 - DVB-S/S2, DVB-T/T2, DVB-C and ASI inputs with 6MHz channel filter
DSA 1491-DVB8 - DVB-S/S2, DVB-T/T2, DVB-C and ASI inputs with 8MHz channel filter
DSA 1491-ISDB6 - DVB-S/S2, ISDB-T(b), QAM-B/DVB-C and ASI inputs with 6MHz channel filter
DSA 1491-OPTICAL-OPT - Add-on optical input option and includes internal optical to RF converter
DSA 1491-GPS-OT - Add-on GPS receiver option for DVB SFN measurements
DSA 1491-IPTV-OPT - License to enable MPEG/IP input option
DSA 1491-REMOTE-OPT - License to enable remote ethernet control