1. 1720QAM & 1730QAM Signal Analyzer?

The very excellent signal analyzers of choice for field testing of QAM digital signals on your CABLE-TV SYSTEM.
They demodulate and accurately measure the QAM signals carried through the cable system.
They provide the measurement power the field technicians need for the latest 64-256QAM digital technologies and are very simple to use, measuring SNR(MER), EVM, Pre-BER, Post-BER, Constellation Diagram.

• 1720 QAM Frequency range : 5MHz ~ 870MHz
• 1730 QAM Frequency range : 5MHz ~ 1000MHz(1GHz)

2. MAIN FEATURES

• ANALOG SIGNAL MEASUREMENT
• ANALOG SIGNAL QUALITY MEASUREMENT : C/N, CTB/CSO
• DIGITAL POWER MEASUREMENT
• DIGITAL POWER QUAILITY MEASUREMENT : MER, BER, SNR
• I/Q CONSTELLATION MEASUREMENT
• SPECTRUM MEASUREMENT (CH|FREQ)
• TILE SLOPE
• SCAN
• DATA LOGGER (SAVE|DELETE|PRINT)
• CH PLAN
• DATA CLONING
• PORTABLE TYPE (Weight less than 1kg)
• COMPUTER INTERFACE

3. SPECIFICATIONS

• Digital Power Measurement : VSB, QAM, COFDM, QPSK
• C/N(Video Level : over 40dBuV)
• 64QAM / 256QAM Measurement
• MER(SNR)
 
64QAM : 22 ~ 37dB(±2dB)
256QAM : 28 ~ 37dB(±2dB)
• Pre-BER, Post-BER : 10E-2 ~ 10E-8
• Constellation Diagram : Zoom In
• EVM : 1.5 ~ 8.0%

■ Analog Signal Measurements

• Video / Audio Level
• V / A ratio
• CTB/CSO
• C/N(Video Level : over 50dBuV)
 

■ Channel/Frequency Spectrum

• Channel Spectrum Span : Display max. 110 channels at screen
• Frequency Spectrum Span : 2 ~ 560MHz
• Detect Method : PEAK, AVERAGE
• Reverse Noise Measurement : 9 ~ 65MHz

■Graphic TILT Spectrum

• Max. 15 channels/frequencies
• Scan Mode (Indication)
Video Level - Audio LevelVideo Level - C/N
Video Level - PASS/FAIL

■ Memory List

• User can store/edit
• Max. 30channels/frequencies

■ Data Logger

• User can be saved/printed/edited
• Max. 32 data files

■ Cloning

• User can make many cloning units.

■ Auto Timeout

• 5min, 10min, 30min, OFF(continuous)

■ Battery Voltage Measurement

• 8V ~ 15V

■ Line AC/DC voltage measurement

• Range : ±10 ~ 110V
• Accuracy : ±1% (±1digit)
• Indication : AC/DC max.4 figures

■ Power Supply

• Battery : 9.6V 1,600mAH (AA size, Ni-MH 1.2V x 8)
• Duration : Approx. 5hours (3hours : digital measurement)
• Adapter : 220V/60Hz, 15V 500mA

■ Circumstances

• Useable Temperature : 0 ~ 60℃
• Humidity : @80%

■ Mechanical Features

• Dimension : 218mm(H)x105mm(W)x58mm(D)
• Weight : 920g(including battery)
• Graphic LCD : 128 x 64 dot matrix

■ STANDARD ACCESSORIES

• Carrying Bag & Carrier Belt
• F-JJ connector
• Instrutial manual
• RS232C Interface Cable

■ OPTIONAL ACCESSORIES

• Car Cigarette Lighter Adapter Cable
• Data Cloning Cable
• Coaxial Cable