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Blonder-Tongue MIDM-806C
HE-12 Series Agile Audio/Video Demodulator, 7740C


The MIDM is a professional quality agile audio/video demodulator and is intended for both CATV and VHF & UHF applications.
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Blonder-Tongue MIDM-806C
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The MIDM is a professional quality agile audio/video demodulator and is intended for both CATV and VHF & UHF applications. The unit is in a "single width" Die-Cast housing that allow deployment of up to 12 demodulator units in a MIRC-12 chassis. The MIDM demodulates standard CATV, IRC and HRC channels and is capable for "Cherry Picking" of CATV channels in preparation for remodulation. The input frequency range is agile, allowing selection of any CATV channel from 54 to 806 MHz. Baseband audio and video are provided as outputs. It is ideal for off-air signal processing (audio/video processing and remodulation) applications. Baseband audio and video are provided as outputs. The MIDM features rock solid, phase lock loop (PLL) synthesized frequency control. Agile frequency selection is accomplished via front panel channel up/down buttons with a LED channel readout for easy on-the-fly channel changes. A channel lockout mode is also provided to prevent accidental channel changes. Non-volatile memory maintains the programmed channel selection in case of power loss. The MIDM is compatible with any modulators requiring a baseband input, and can be used in any combination with the MIPS- 12C power supply in a MIRC-12 chassis.


  • Die-Cast Chassis Offers Superior Protection Against Ingress or Egress
  • Demodulates Any Channel 54-806 MHz
  • LED Display Makes Agile Channel Selection Easy
  • Compatible with MICM-45 Modulator for Compact Off-Channel Processor Solution


  • RF Frequency
    Range 54-806 MHz, VHF, UHF, CATV (Std., IRC, HRC)
  • Input Level Range
    -5 to +30 dBm VHF/UHF, +2 to +12 dBmV (CATV)
  • Noise Figure
    8 dB
  • Image Rejection
    VHF 60 dB
  • Input Impedance
    75 O


  • Output Level
    1.0 V p-p
  • Output Impedance
    75 O


  • Output Level
    1 Vp-p
  • Output Impedance
    600 O, Unbalanced


  • Power Requirements - External
    12 VDC @ 140 mA 5 VDC @ 150 mA
  • Temperature Range
    0┬░ to +50┬░ C


  • Dimensions (W x H x D)
    1.0 x 3.5 x 7.50 in. 29 x 89 x 191 mm
  • Weight
    1.2 lbs., 0.56 kg


  • Audio Output
    RCA Female
  • Video Output
    75 O, "F" Female
  • RF Input
    75 O, "F" Female
  • Power
    Locking Header, 3 Pin


  • Channel Selection
    Push Buttons
    Push Button
  • Power On/OFF
    Push Button
  • Channel Lock
    Push Button
  • Audio Level
  • Video Level


  • Channel
    2 Digit, 7 Segment LED

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