DTU-235 COFDM RF Probe


Overview

The DTU-235 provides a portable field solution to tune QPSK, QAM-16 or QAM-64 COFDM frequencies directly on your laptop for easy field testing or recording. Combine the DTU-235 with RFXpert for a comprehensive and economical MPEG-2 analysis solution.

  • Light-weight, easy-to-use RF adapter for tuning to any UHF/VHF channel in the 50 to 860 MHz range
  • Record MPEG-2 Transport Stream directly to a laptop PC for easy field recording
  • Full portability that requires no additional power supply or batteries, the DTU 235 operates entirely from a USB 2.0 connection
  • Sensitive front-end allowing reception of RF signals from -40 to +50 dBmV

 

Features

  • Complete COFDM Demodulating of 2k & 8k FFT Transmissions
  • Supports 6, 7 and 8 MHz Wide Channels
  • Records Transports Streams to 32 Mbps
  • Powered from USB Connection
  • View Constellations & Eye Diagrams
  • Set Reading Limits for Unattended Monitoring
  • All Data Can Be Logged For Analysis at Office

 

Specifications

RP Input:
Connector:75 Ω Type “F” Female
Frequency:50-860 MHz
Level:-40 to +60 dBmV
Resolution:0.1 dB
Accuracy:0.1 dB Accuracy: +/- 1 dB (+/- 0.5 dB Typical)
Modulation:QPSK, QAM-16 B, QAM-64 B COFDM Frequencies
Band:Broadcast, FCC Cable, IRC Cable, HRC Cable
(Matches most European & Asian Channel Plans)
Spectrum Display:6Mhz Channel, 18Mhz Adjacent, 50-860Mhz Full
MER:3 to 35 dB as measured from constellation
EVM:1.7 to 65.5% RMS
Bit Error Rate (BER):Pre/Post FEC, SER, Errored Seconds
Echo Profile:-2.3 to +40 μS delay range; 0 to -30 dB echo level
USB Connection:
Connector: USB 2.0 “B” Female
Power: Provided thru USB Connection of Host PC
Voltage:+5 VDC
Current Draw:< 450 mA
Dimensions:
Physical:7.1” x 4.2” x 1.4”
Weight: < 1 lb.
Construction: Aluminum Case

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