Castwin DSM-1903ML Modulator

The Castwin DSM-1903ML Modulator is a professionally performing device based on DVB-S/S2/DSNG standard modulation.

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Description

The Castwin DSM-1903ML Modulator is a professionally performing device based on DVB-S/S2/DSNG standard modulation. Shows superior quality in modulation of MPEG transport stream DVB-ASI signal to excellent RF output with adjustable frequency and output level.

Castwin DSM-1903ML Modulator gives you more

  • Retain your viewers with optimized modulator for  ATSC(8-VSB).
  • Cost reduction for installing with simple set-up and  operation.
  • Stable output with hybrid AMP integrated.
  • Secure more space with compact and light weight design.

Features

  • Transport Stream : DVB-ASI.
  • L-Band Output 950 ~ 2150MHz Step 1Hz.
  • IF Output 50 ~180 MHz.
  • ASI input transport stream.
  • Excellent RF output.
  • DVB-S/S2/DSNG Modulation.
  • User adjustable output level and frequency.
  • Front panel control.
  • Shoulders Rejection : < -50dB @ 0 dBm & f/fN=1.5 for roll off 20%.
  • Frequency: 54 ~ 1002MHz.
  • Output Level: 55±5 dBmV.
  • Spurious: ≤ -65dB.
  • External: 10 MHz input for RF Synchronization.

Specifications

DVB-S:

  • QPSK: 1/2, 2/3, 3/4, 5/6, 7/8.
  • 8PSK: 2/3, 5/6, 8/9.
  • 16QAM: 3/4, 7/8.
  • Roll-Off: 0.25 ~ 0.35.
  • BISS: Mode (1, E Injected, E Buried and 0).
  • Symbol Rate: 1 ~ 50 Mbauds

DVB-S2:

  • QPSK: 1/4, 1/3, 2/5,1/2, 3/5, 2/3, ¾, 4/5, 5/6, 8/9, 9/10.
  • 8PSK: 3/5, 2/3, 3//4, 5/6, 8/9, 9/10.
  • 16APSK: 2/3, 3/4, 4/5, 5/6, 8/9, 9/10.
  • 32APSK: 3/4, 4/5, 5/6, 8/9, 9/10.
  • Roll-off: 0.25 ~0.35.
  • BISS: Mode (1,E Injected, E Buried and 0).
  • Symbol Rate: 1baud ~ 50Mbauds.
  • Pilot Insertion.
  • Operation Mode: CCM Only.
  • Frame Type: Normal / Short

RF: 

  • Shoulder Rejection: < -50dB @ 0 dBm & f/fN=1.5 for roll off 20%.
  • Tilt Correction: -0.040 ~ 0.040 dB/MHz.
  • External: 10 MHz input for RF synchronization.
  • Spurious: <-65 dB.
  • RF Power: -30.00 ~ +5.00 dBm Step 0.1dB.
  • L-Band: 950 ~2150 MHz.
  • IF: 50 ~ 180MHz.

General

  • Power Requirements: AC 90~230V, 50/60Hz.
  • Power Consumption: 13W.
  • Weight: 3Kg.
  • Dimensions: 482 x 44 x 383 mm.

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