Multi-Channel Twin AV To DVB-T Modulator
14MM-MDX420
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
- AT series family DVBT twin modulators totally agile and independent channels
- AV composite to DVB-T COFDM modulator
- Programmable twin modulators
- Rack mountable system
- Loop input and output with F connection
Pack Quantity
Inner: 1 box of 1 piece
Helpful Tip: Bulk cartons prevent potential transit damage.
Specifications
| Video Input | Frequency Range | 20Hz - 6MHz |
|---|---|---|
| Level/Impedance | 1 V ± 0.1V/75 Ohms | |
| Audio Input | Frequency Range | 20Hz-15kHz |
| Level/Impedance | 775mV/10 kOhms | |
| Level Adjustment | 6 - -6dB (2dB step) | |
| Processing Video | Encoding | ISO/IEC13818-2 MPEG-2 MP@MI |
| Resolution | 720 x 576 (at 25 fps), 720 x 480 (at 30 fps) | |
| Frame Rate | 25 max. PAL, SECAM, 30 max. NTSC | |
| Compressed System Bit Rate | 2-9 Mbps | |
| Processing Audio | Encoding | ISO /IEC11172-3 (MPEG1 audio) layer 2 compliant |
| Sampling Rate | 44.1kHz | |
| Bit Rate | 256Kbps | |
| Audio Mode | Stereo | |
| Modulation | MER | ≥35dB |
| Modulation | QPSK, QAM16, QAM64 | |
| Channel Bandwidth | 7/8MHz | |
| Guard Interval | 1/4, 1/8, 1/16, 1/32 | |
| Code Rate | 1/2, 2/3, 3/4, 5/6, 7/8 | |
| Transmission | 2K | |
| RF Output | Frequency Range | 110 - 860MHz |
| Level/Impedance | 85dBµV/75 Ohm | |
| Output C/N | ≥50dB | |
| Output Level Adjustment | 0 - -15.5dB by 0.5dB step | |
| Frequency Range of RF Combining | 47-2150MHz | |
| DC Pass Through | 0.3 A | |
| Combining Through Loss Terr/SAT | 1.5/2.5dB | |
| Return Loss | ≥10dB | |
| Current Consumption | 12 V 0.65 A | |
| Operating Temperature | 0 - +50°C | |
