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DS2500Q

  • Description
    Digital
  • Producer
    Deviser-China
  • Price
    Please Contact
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Description

 Máy đo truyền hình cáp DS2500Q Tích hợp nhiều chức năng trong một duy nhất dụng cụ cầm tay, là một máy đo  mạnh mẽ đo được kỹ thuật số.

Máy đo truyền hình cáp DS2500Q chức năng chính bao gồm tăng cường phân tích quang phổ, Analog & TV Kỹ Thuật Số phân tích, DOCSIS 3.0 phân tích,  Phát Tín Hiệu, kiểm tra Ethernet , và Tự Động Thử Nghiệm.

Chức năng EVS cho phép người dùng để phát hiện  biến dạng ẩn dưới QAM nếu không có làm gián đoạn dịch vụ.

may_Yo_tin_hiYu_truyYn_hinh_cap_DS2500Q_16DS2500Q_1

Data Sheet
Downstream Spectrum Analysis
Frequency Range 4MHz ~ 1000MHz
Frequency Stability ±1 PPM(0°C ~50°C )
Frequency Span 0MHz ~ Full span
Frequency Step 1 kHz
Resolution Bandwidth (-3dB) 30kHz, 100kHz, 300kHz, 1MHz, 3MHz
Video Bandwidth 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, Pre-amplifier On)
Sensitivity -50dBmV (300 kHz 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 4~46MHz (DOCSIS); 4~68MHz (Euro DOCSIS 2.0); 4~88MHz (Euro DOCSIS 3.0); 4~120MHz (DOCSIS 3.1); 4~210MHz (DOCSIS 3.1)
Frequency Span 42/64/84/116/206MHz, zero span or manual selections (max 206MHz)
Resolution Bandwidth (-3dB) 100kHz, 300kHz
Video Bandwidth 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±5oC (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 10kHz
Level Measurement Range -40dBm ~ +60dBmV
Accuracy <±1.0dB @+25 ±5°C (S/N >30dB)
Level Resolution 0.1dB
Resolution Bandwidth 300 kHz
C/N >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 Automatic, 18dB Gain
Attenuator Automatic, 40dB
Digital TV Measurement
Frequency Range 46 ~ 1000MHz
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 4.0MS/s ~ 7.0MS/s
MER >41dB; Accuracy: ±2.0dB
BER 1E-3 ~ 1E-9
Constellation 16, 32, 64, 128, 256 QAM
Cable Modem Measurement
Support Standard DOCSIS 1.1, 2.0, 3.0; EuroDOCSIS 1.0, 1.1, 2.0, 3.0
Downstream Demodulation 64, 256QAM
Downstream Frequency Range >91MHz (US); >100MHz (EU)
Downstream Maximum Speed Up to 304Mbps (6MHz); And 400Mbps (8MHz)
Downstream Channel Bonding Up to 8 channels
Downstream Bandwidth 6MHz / 8MHz
Downstream Input Signal Level -15dBmV ~ +15dBmV
Upstream Frequency Range 5 ~ 42MHz; 5 ~ 65MHz; 5 ~ 85MHz
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 120Mbps (4 channels bonding)
Upstream Signal Generator
Signal Modulation CW, QPSK, 16QAM, 64QAM, 256QAM
Symbol Rate 1.28MS/s, 2.56MS/s, 5.12MS/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
USB USB 1.1
Ethernet RJ45, 10/100T Ethernet
Display 4.3 inches TFT LCD 480×272 pixels
AC/DC Adapte AC 100 ~ 240 V/50 ~ 60Hz DC 12V / 3A
Battery Li-ion, 7.4 V/7.8Ah
Charge Time ~ 4 hours
Working Time > 6 Hours
Dimension (W×H×L) 245mm×130mm×60mm
Weight Around 1.5kg
Work Temperature -10 ~ +50 °C
Storage Temperature -20 ~ +60 °C
Application

- Thiết kế cho HFC thử nghiệm mạng

- Xử lý sự cố

- Bảo trì

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