products
 DIGITAL LEVEL METER
 Model 1500series
 Model 1505LG (Discontinue)
 DIGITAL TV SIGNAL ANALYZER
 Model 1702
 Model 1703
 QAM SIGNAL ANALYZER
 Model 1720Q
 Model 1730Q
 DVB-T SIGNAL ANALYZER
 Model 1720OFDM
 Model 1730OFDM
 VSB&QAM SIGNAL ANALYZER
 Model 1720VQ
 Model 1730VQ
 SATELLITE SIGNAL ANALYZER
 Model 1600
 Model 1650
 Model 1650S
 Model 1680S (brand-new)
 Model 1680S2 (brand-new)
 RETURN PATH SG
 Model TG-1215
 
 DOWNLOAD >>>
HOME > PRODUCTS > DVB-T SIGNAL ANALYZER 1720OFDM  
  ¡á DVB-T SIGNAL ANALYZER 1720OFDM

  ¡á MAIN FEATURES

  • 1720COFDM are the best choice for the field technicians to measure digital terrestrial TV(DVB-T standard).
  • Frequency Range : 5MHz ~ 870MHz
  • They demodulate and accurately measure the DVB-T signals
    carried through the terrestrial TV system.
  • They are very simple and convenient to use and measure
    SNR(MER), EVM, Pre-BER, Post-BER, Constellation Diagram
    for the digital TV channels.
  • Portable type, Weight less than 1Kg, Computer interface.
    (Data Logger, Printing, Editing)
DOWNLOAD
CATALOGS
User's MANUAL
TC-05
  ¡á SPECIFICATIONS  

  (1) Analog Signal Measurements

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

  (2) Digital Signal Measurements

  • Digital Power Measurement
    (VSB, QAM, COFDM, QPSK)
  • C/N(Video Level : over 40dB§Å)
  • DVB-T Measurement
    1) Modulation : QPSK, 16QAM, 64QAM
    2) MER(SNR) : up to 37dB
    3) Pre-BER, Post-BER : 10E-2 ~ 10E-8
    4) Constellation Diagram : Zoom In
    5) EVM : 1.5% ~ 8.0%
  • DVB-T Constellation Patterns ∧ Possible Causes

  (3) Tilt Spectrum Analysis

  • Max. 15 channels / frequencies

  (4) Scan Mode(Indication)

  • Video Level - Audio Level
  • Video Level - CN
  • Video Level - PASS(FAIL)

  (5) Channel/Frequency Spectrum Analyzer

  • Channel Spectrum Span
    : Display max. 110 channels at screen
  • Frequency Spectrum
    1) Span : 2 ~ 560MHz
    2) Detect Method : PEAK, AVERAGE

  (6) Memory List

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

  (7) Data Logger

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

  (8) Cloning

  • User can make many cloning units.

 

  (9) Auto Timeout

  • 5min, 10min, 30min, OFF(continuous)

  (10) Battery Voltage Measurement

  • 8V ~ 15V

  (11) Line AC/DC Voltage Measurement

  • Range : ¡¾10 ~ 110V
  • Accuracy : ¡¾1%(¡¾1digit)
  • Indication : AC/DC max. 4 figures

  (12) Power Supply

  • Battery : 9.6V 2,100mAH
    (AA size, Ni-MH 1.2V x 8)
  • Duration : Approx. 5hours in Analog
  • Measurement(3hours : digital Measurement)
  • Adapter : 220V/60Hz, 15V 500mA

  (13) Circumstances

  • Useable Temperature : 0 ~ 60¡É
  • Humidity : @80%

  (14) Mechanical Features

  • Dimension
    : 218mm(H) x 105mm(W) x 58mm(D)
  • Weight : 920g(including battery)
  • Graphic LCD : 128 x 64 dot matrix

  (15) Standard Accessories

  • Carrying Bag
  • Carrier Belt
  • F-JJ connector
  • Users Manual
  • RS232C Interface Cable

  (16) Optional Accessories

  • Car Cigarette Lighter Adapter Cable
  • Data Cloning Cable
  • Coaxial Cable
  [Note] Specification to be changed without a prior notice to customers.
  ¡á ANALOG SIGNAL MEASUREMENT
 
  • Video Level
  • Audio Level
   
  • Video Level
  • V/A ratio
 
  • CTB
  • CSO
   
  • Video Level
  • C/N
  ¡á DIGITAL SIGNAL MEASUREMENT
 
  • Digital Power
 
  • Digital Power
  • C/N
   ¡á DVB-T CONSTELLATION PATTERNS & POSSIBLE CAUSES
 
  • Signal Strength
  • Pre-BER
  • SNR/MER
 
  • SR
  • Spectrum Inversion,
  • EVM
  • Pre-BER / Post-BER
  • Real Error Counter
  • Pre-BER measurement time
 
  • EVM
  • MER
  • Constellation Diagram
 
  • Example : Constellation 1/4 Zoom
¡ã TOP  
Copyright © 2002-2009 TELEMANN CORPORATION. All right reserved. Send an E-mail to admin@telemannco.com