MD-1000 Universal Modulator


Universal Modulator MD-1000

The MD-1000 is a frequency agile, standards agile, single band modulator for use as an add-on component to the FlexStream MX-100 and MX-400 product lines. The MD-1000 receives its power, configuration, and via a high speed USB 2.0 connection and outputs a modulated RF signal for transmission via DVB-T, ATSC 8-VSB, ATSC US Cable QAM, or ISDB-T (full seg). This modulator supports 6, 7, and 8 MHz channels between 48 MHz – 900 MHz. The same modulator is provided internally on some MX-400 and MX-100 configuration. Additional modulators are supported by the software.

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Plug and play

Software support for the MD-1000 is included in all FlexStream MX products.

Standards agile

Use this modulator with and MX product in a lab environment to create any of the supported modulation standards. Great for DTV white space applications.


Power, control, and data are all provided via a single USB connection.

FlexStream MD-1000

MD-1000 Details

The MD-1000 supports the following transmission standards:


  • ATSC – North America Terrestrial
  • QAM-B North America Cable
  • DVB-T Europe Terrestrial
  • DVB-C Cable
  • ISDB-T Japan & Latin America Terrestrial (full seg)
  • ISDB-C Japan Cable (full seg)
  • ISDB-Tb Brazil (full seg)
  • Frequency Range: 48 – 900 MHz (VHF/UHF)
  • Configurable Bandwidth : 6, 7 or 8 MHz
  • Modulation: 8VSB, BPSK, QPSK, OFDM, 16-256QAM
  • Output Level: -20 dBm to 0 dBm (1mW)
  • Carrier Suppression: > 35 dB
  • Adjacent Channel Leakage Ratio (ACLR) : > 40 dBc
  • Modulation Error Ratio (MER) > 40dB
  • Power consumption < 1.9W (5V, 375mA)

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