Main Products: Power Supply ,Oscilloscope ,Multimeter ,Spectrum Analyzer ,Temperature Test Instruments
DS2500Q,Digital TV QAM Analyzer
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Xiamen Wellzion Electronics Co., Ltd.
Business Type: Trading Company
Xiamen Fujian ChinaMain Products: Power Supply ,Oscilloscope ,Multimeter ,Spectrum Analyzer ,Temperature Test InstrumentsProduct Details
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.
Figure 1: Spectrum Analysis
Figure 2: Spectrograph
Figure 3: DVB-C Channel Measurement
Figure 4: Constellation Display
Figure 5: BER and MER Statistical Analysis
| Downstream Spectrum Analysis | |
| Frequency Range | 4 MHz ~ 1000 MHz |
| Frequency Stability | ± 1PPM (0 ~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,Digital TV QAM Analyzer
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