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VSB Modulator MT-310 has been designed for MMH-3000 headend. Thanks to vestigial side band the device allows to utilize adjacent channels. This kind of operation requires balanced output levels of output channels. The differences among individual channels cannot exceed 3 dB.
High maximum output level (100dB) allows to feed many subscriber outlets.
The input video signal may come from a CCTV camera, DVD player, computer or other device generating audio-video content e.g. in hotel TV system.
More on MMH-3000 headend you can read in the article :
.Specifications
Name | VSB Modulator MT-310 for MMH-3000 |
Code | R81708 |
TV standard * | B/G/D/K/ |
Output frequency range [MHz] | 110-862 |
Video input (CVBS) | |
Frequency range [Hz] | 20-6M |
Level / impedance [V/Ω] | 1/75 |
Audio input (LF) | |
Frequency range [Hz] | 20-15000 |
Level / impedance [mV/kΩ] | 775/10 |
Others | |
Output: level / impedance [dBuV/Ω] | 100/75 |
Return loss [dB] | >=14 |
Output level adjustment [dB] | 0...10 |
S/N ratio [dB] | >57 |
Video carrier/ audio carrier ratio * [dB] | 12/16 |
Audio level adjustment (2dB step) * [dB] | +6...-6 |
Power requirements: voltage / current [V/A] | 5.5/0.82 |
Operating temperature [oC] | 0...50 |
Dimensions [mm] | 45x115x220.5 |
Weight [kg] | 0.38 |
* Parameters set in free Terra Link, application program or its commercial, full version CMH Master R81706
Electrostatic discharge caution
The module contains electrostatic sensitive components. To minimize electrostatic discharge, observe the following precautions:
- Do not remove module from its anti-static plastic bag until you are ready to install it into the base unit.
- Hold the module only by its front panel.
- Do not place the module on an unprotected surface. Immediately after you remove the module from the base unit, you must insert it into its anti-static plastic bag.
- When the module is not in use, keep it in its anti-static plastic bag.
- Do not ship or store the module or base unit in/near strong electrostatic, electromagnetic or radioactive fields.