14MM-MT420C - Twin Modulator 7-8MHz Selectable Stereo
14MM-MT420C - Twin Modulator 7-8MHz Selectable Stereo Packaging Image

Twin Modulator 7-8MHz Selectable Stereo


Headend Equipment

Matchmaster has a full range of Headend Equipment from entry level to complex systems, including engineering support and system designs. Matchmaster can offer simple Channel Filters with AGC through to complex DVB modules for any type of broadcast including Encoders, Modulators & Transmodulators for DVB-T, DVB-C, DVB-S/S2, IP, ASI, SDI, FM and many more.
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Features and Benefits

  • Modulating analogue video/audio signals into VSB RF channel with mono or stereo A2 sound
  • Frequency agile vestigial sideband TV modulators
  • LED display and push buttons control of internal microprocessor
  • RF output level and audio input level loop through RF combining low level harmonics and intermodulation products
  • Built-in test pattern generator


Number of Internal Channel Amplifiers 2
Video Input RCA – Composite
Video Level/Impedance 1V ± 0.1V/75 Ohm
Audio Input Dual RCA
Audio Level/Impedance 775mV / 10kOhm
Audio Level Adjustment -6dB – 6dB (2dB steps)
TV Standard B/G/D/K/Au stereo A2
Output Frequency 110-862MHz
Output Level 90dBµV
Attenuation Available 0 - 10dB in 1dB steps
Frequency Range of RF Combining 47 – 2150MHz
Combining Through Loss Terr/Sat 1.5/2.5dB
Return Loss >10dB
A/V Ratio 12/16dB
IMD2/IMD3 Spurious Level < -60dB
Power Consumption 12V 470mA
Operating Temperature 0 - +50°C
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