Products    >    CATV Analyzer  >    TV QAM Analyzer  >    DS2500Q
  • 4 MHz~1000MHz Digital TV QAM Analyzer

    Model: DS2500Q

    Features:   

    ●High Speed Spectrum Analysis: 4~1000MHz

    ●Integrated DOCSIS 3.0 Cable Modem

    ●Integrated Upstream Signal Generator (no FEC)

    ●Supports ITU- -T J.83 Annex A/B/C

    ●Error Vector Spectrum: identifies interference signals under QAM carriers, with no break in service

    ●Auto Test

  • Products You May Like
    • Overview
    • Specification
    • Download
    • Send your inquiry
    • Integrating multiple functions in a single handheld instrument,the new DS2500Q is a powerful Digital TV QAM Analyzer with a comprehensive measurement suite specifically designed for HFC network testing,troubleshooting, and maintenance.


      The DS2500Q's main functions include Enhanced Spectrum Analysis, Analog & Digital TV analysis, DOCSIS 3.0 analysis,Upstream Signal Generator, Ethernet testing, and Auto Test.

      The revolutionary EVS function enables users to detect coherent distortions hiding under QAM carriers - without interrupting service. The DS2500Q supports Deviser's PC software toolkit, included with each unit, to make data transfer a snap.

      DS2500Q-2.jpg


      blob.png


      Figure 1: Spectrum Analysis

      blob.png


      Figure 2: Spectrograph

      blob.png


      Figure 3: DVB-C Channel Measurement

      blob.png


      Figure 4: Constellation Display

      blob.png


      Figure 5: BER and MER Statistical Analysis

    • Downstream Spectrum Analysis

      Frequency Range

      4 MHz ~ 1000 MHz

      Frequency Stability

      ± 1PPM (0˚C ~50°C)

      Frequency Span

      0 MHz ~ Full span

      Frequency Step

      1 kHz

      Resolution   Bandwidth filters (-3dB)

      30kHz,100kHz,300kHz,1MHz,3MHz

      Video Bandwidth filters

      30Hz,100Hz,300Hz,1kHz,3kHz,10kHz,30kHz,100kHz,300kHz,1MHz,3MHz

      Display Scale and Range

      1,2,5,10,20 dB/Div;8 vertical divisions

      Sweep Time

      20ms ~ 25s

      Input Level Range

      -60dBmV ~ +60dBmV

      Dynamic Range

      65dB (300kHz   RBW)

      Sensitivity

      -50dBmV (300kHz   RBW,Pre-amplifier On)

      Attenuation

      0~40dB in 1dB   steps

      Pre-amplifier

      Manual,18dB Gain

      Accuracy of Measurements

      <±1.0dB   @+25±5°C (typical value)

      Measurement Detector

      Positive Peak, Negative   Peak, Sample, Average, RMS

      Reference Level

      -80dBmV ~ +70dBmV

      Markers

      2 vertical markers

      Upstream Spectrum Analysis

      Frequency Range

      4~46 MHz (DOCSIS); 4~68 MHz (Euro DOCSIS 2.0); 
      4~88 MHz (Euro DOCSIS 3.0);4~120 MHz (DOCSIS 3.1);
      4~210 MHz (DOCSIS 3.1)

      Frequency Span

      42/64/84/116/206   MHz, zero span or manual selections (max 200 MHz)

      RBW

      100kHz, 300kHz

      VBW

      30Hz,100Hz,300Hz,1kHz,3kHz,10kHz,30kHz,100kHz,300kHz,1MHz,3MHz

      Display Scale and Range

      1, 2, 5, 10, 20   dB/Div

      Sweep Time

      20ms ~ 25s

      Input Level Range

      -60dBmV ~ +60dBmV

      Attenuation

      Automatic, 0~40dB

      Pre-amplifier

      Manual,18dB Gain

      Accuracy of Measurements

      <±1.0dB@+25±5˚C (typical value)

      Measurement Detector

      Positive Peak, Negative Peak, Sample, Average

      Markers

      2 vertical   markers

      Analog TV   Measurement

      Standards

      B/G, I, D/K, L/L’, M/N

      Color Standards

      NTSC, PAL, SECAM

      Level Measurement Range

      40dBmV

      Level Measurement Range

      -40dBmV ~ +60dBmV

      Accuracy

      <±1.0dB @+25   ±5˚C (S/N >30dB)

      Level Resolution  

      0.1dB

      Resolution Bandwidth

      300kHz

      CCN

      >51dB (Requires +10 dBmV carrier level)

      CTB/CSO

      ≥61dB with ±2.0dB Accuracy

      HUM Measurement

      1~20%: ±0.5%   (1~5%): ±1.0% (5~20%)

      Tilt

      Up to 16   channels

      Pre-amplifier

      Manual,18dB Gain

      Attenuator

      Automatic, 40dB

      Digital TV   Measurement

      Frequency Range

      46 ~ 1050 MHz

      Power Level   Range

      -30dBmV ~ +50dBmV

      Level Resolution  

      0.1dB

      Accuracy

      < ±1.5dB@+25   ±5˚C (C/N>20dB)

      Modulation Type

      16,32,64,128,256   QAM (J.83 Annex A and C);64,256 QAM (J.83 Annex B)

      Interleave Depth  

      (128, 1) ~ (128,   4) for J.83B; (12, 17) for J.83 A/C

      Symbol Rate

      4.0 MS/s ~ 7.0   MS/s

      SNR

      >43dB;   Accuracy: ±2.0dB

      MER

      >41dB;   Accuracy: ±2.0dB

      BER

      1E-3 ~ 1E-9

      Constellation

      16, 32, 64, 128,   256 QAM

      Cable Modem Measurement

      Supported   Standards

      DOCSIS 1.1, 2.0,   3.0; EuroDOCSIS 1.0, 1.1, 2.0, 3.0

      Downstream   Demodulation

      64, 256 QAM

      Downstream   Frequency Range

      >91 MHz (US);   >100 MHz (EU)

      Downstream   Maximum Speed

      Up to 304 Mbps   (6 MHz) and 400 Mbps (8 MHz)

      Downstream   Channel Bonding

      Up to 8 channels

      Downstream   Bandwidth

      6MHz / 8MHz

      Downstream Input   Signal Level

      -15dBmV ~   +15dBmV

      Upstream   Frequency Range

      5 ~ 42 MHz; 5 ~   65 MHz; 5 ~ 85 MHz

      Upstream Signal   Bandwidth

      TDMA:200/400/800/1600/3200/6400kHz;   S-CDMA:1600/3200/6400kHz

      Upstream Output   Signal Level

      QAM level range: +17 to +58dBmV; QPSK level range: +17 to +61dBmV

      Upstream Channel   Bonding

      Up to 4 channels

      Upstream Maximum   Speed

      120 Mbps (4   channels bonding)

      Upstream Signal   Generator

      Signal   Modulation

      CW, QPSK, 16   QAM, 64 QAM, 256 QAM

      Symbol Rate

      1.28 MS/s, 2.56   MS/s, 5.12 MS/s

      MER

      >38dB;   Accuracy ±2dB

      Frequency Range

      5MHz~85MHz

      Frequency Adjustable   Steps

      1MHz

      Signal Level   Range

      8.0~58dBmV (CW,   QPSK)

      Level Adjustable   Step

      1dB

      Others

      RF Input

      75Ω F-type   connector

      USB

      USB 1.1

      Ethernet

      RJ45, 10/100T   Ethernet

      Display

      4.3inch 480*272   TFT LCD

      AC/DC Adapter

      100~240   V/50~60Hz (AC); 12V/3A (DC)

      Battery

      Li-ion, 7.4   V/7.8Ah

      Charge Time

      Approx. 4 hours

      Working Time

      > 6 Hours

      Dimension   (W×H×L)

      245mm*130mm*60mm

      Weight

      About 1.5kg (3.3 lbs)

    • DS2500Q.pdf

    • *From:
      Enter your email
      *Message:
      Enter your Message
Corpyright © 2011 Wellzion Electronic Technology CO.,Ltd All Rights Reserved
Contact us
----Tel:+86-592-5562446----
Follow Us On