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Drake Digital MQM1000 Digital to QAM Transcoder w/ Digital Processing  Multiplexing (MQM1000)

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Drake Digital MQM1000 Digital to QAM Transcoder w/ Digital Processing Multiplexing (MQM1000)

Brand: Drake           P\N: MQM1000          

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Availability: Discontinued

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Description


Drake The MQM1000 is a professional quality, digital head end transcoder that accepts one or two MPEG2 digital inputs via two Asynchronous Serial Input (ASI) connectors. After multiplexing and null packet management, the MQM1000 QAM modulates and up converts onto any desired CATV or off-air output channel between 54 and 1002 MHz.

Features


  • Front panel backlit display and buttons allow easy setup and monitoring of operating mode and parameters

  • High output, 61 dBmV, agile QAM modulator and upconverter are built in, operating up to 1024QAM

  • RS232 serial interface provides for remote control programming and monitoring

  • wide range equalizer suppresses multipath effects on ATSC signals

Specs


 

The R. L. Drake model MQM1000 is a professional quality, digital headend transcoder that accepts one or two MPEG2 digital inputs via two Asynchronous Serial Input (ASI) connectors. These signals must be ATSC compatible streams if multiplexing is to be performed and usually will have originated from a local TV broadcast station and may have been transported over fiber links to the MQM1000. After multiplexing and null packet management, the MQM1000 QAM modulates and up converts onto any desired CATV or off-air output channel between 54 and 1002 MHz. The MQM1000 can also operate as a non-multiplexing QAM modulator when a single ASI input is selected.

Features
  • Front panel display and buttons allow easy setup and monitoring of operating mode and parameters.
  • High output, 61 dBmV, QAM modulator and very low phase noise agile upconverter are built in.
  • Output is agile on CATV or broadcast channels from 54 to 1002 MHz.
  • Dual ASI Inputs.
  • TS Multiplexer for MPEG2 streams.
  • Program filtering of both A and B input streams. User may select or drop any of the incoming programs.
  • ATSC PSIP is supported.
  • MPEG program and minor channel number offsetting when multiplexing.
  • Major channel number pass through or remarking is selectable when multiplexing
  • Rewriting of the MPEG tables is provided when two input streams are multiplexed.
  • PCR correction is performed when necessary.
  • RS232 remote control and monitoring capability with the included Drake Digital Headend Control Software (v. 2.6 or later).
  • High MER output signal quality.
  • 1U tall package with internal power supply conserves rack space.
  • Manufactured in the USA.
  • You may download the owners manual in Adobe® PDF format by clicking here.
  • If you dont have the Adobe® Reader, click here.


    Specifications:
  • Inputs: Two DVB Asynchronous Serial Inputs (ASI). 270 Mbps ASI clock rate with desired transport stream of 10.76 MS/s, ATSC, 19.37 Mbps.
  • Modulation Modes: 16QAM, 32QAM, 64QAM, 128QAM, 256QAM, 512QAM or 1024QAM.
  • Refer to manual for available combinations of QAM modes and FECs.
  • Symbol Rate:1 Ms/s to 7 Ms/s.
  • Forward Error Correction (FEC): ITU-A (DVB) or ITU-B (DigiCipher® II).
  • I/Q Phase Error: Less than 1 degree.
  • Carrier Suppression: 45 dB
  • Channel Amplitude Error: Less than 1dB.
  • MER: Greater than 38 dB with blind equalizer.
  • Null Packet Processing
  • Available in the fixed output clock mode.
  • Analog EAS IF Input
  • Operating Input Level: +30 dBmV ±5 dB @ 45.75 MHz. 75 ohms.
  • Auto Switching Level: +20 dBmV minimum.
  • Upconverter RF Output
  • Output Frequency Range: 54 MHz to 1002 MHz.
  • Channel Plan: Standard CATV, HRC, IRC or Broadcast.
  • Frequency Stability: ±5 ppm.
  • Maximum Output Level: +61 dBmV minimum, adjustable downward.
  • Minimum Output Level:+45 dBmV.
     


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