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Packaging
Twin AV Encoder QAM/COFDM
14MM-OH66
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
- Twin digital modulation solution with MPEG2 encoding of analogue audio and video signals
- Output frequency range 45–862 MHz
- QPSK, COFDM and QAM modulation is available
- Use ASI input of output signals
- SDI & CVBS input selectable
- Input / output connectors are BNC and 3.5mm for audio
Pack Quantity
Inner: 1 box of 1 piece
Helpful Tip: Bulk cartons prevent potential transit damage.
Specifications
| Module | OH 66 Twin A/V-Encoder |
|---|---|
| Input Video Analogue | |
| Input Format | Composite FBAS-signal |
| Input Impedance | 75 Ohm |
| Input Level | 1 Vss ± 0.4 V |
| Frequency Range | 20Hz-5MHz |
| Video Processing | |
| Encoding Standard | MPEG 2 ISO/IEC 13818-2 MP@ML (4:2:2) |
| Bit Rate | 1.5-9 Mb/s in 1.5Mb/s-steps; CBR & VBR |
| Picture Size | 720 Pixel horizontal, 576 Pixel vertical |
| Teletext | Extraction from analogue video signal |
| Picture Format | Support for 4:3 and 16:9 automatic detection by WSS |
| PID Setting | Automatic; Manual overwriting possible |
| PSI/SI settings | Automatic creation of PAT/ |
| NIT setting with LCN | Optional with CS77 |
| Input Audio | |
| Input Format | Analogue (left/right) or digital (SDI with embedded audio) |
| Frequency Range | 40–15000Hz |
| Audio Processing | |
| Sampling frequency | 32/44, 1/48 kHz |
| Encoding Standard | MPEG 1 L1/L2 ISO/IEC 13818-3 |
| Bit Rate | Up to 192 kbit/s |
| Format | Stereo, Joint Stereo, Dual, Mono |
| Output | |
| QAM or COFDM | Can be selected by the modulation |
| Output Frequency Range | 47–862 MHz |
| Spurious Outside TV Channel | À50dB |
| QAM-Mode | |
| Modulation Scheme | 16-, 32-, 64-, 128-, 256-QAM |
| Output Frequency Steps | 500KHz |
| Output Channel Bandwidth | 8MHz |
| Output Level | 88-103dBµV |
| MER | ≥40dB |
| Symbol Rate | 3.45–6.9 MS/s |
| Bit Stuffing | Yes |
| PCR Correction | Yes |
| COFDM-Mode | |
| Modulation Scheme | COFDM |
| Output Frequency Steps | 250KHz |
| Output Channel Bandwidth | 7/8MHz |
| Output Level | 82-97dBµV |
| MER | ≥37dB |
| Modulation of Single Carriers | QPSK, 16-, 64-QAM |
| FEC | 1/2, 2/3, 3/4, 5/6, 7/8 |
| Guard Interval | 1/4, 1/8, 1/16, 1/32 |
| FFT Mode | 2k, 8k |
| General Data | |
| Connectors | Per channel 1 x BNC/ |
| Video- / Audio-input | 1 x stereo jack socket 3.5 mm |
| RF-Output | F-connector |
| Operating Temperature | -20° - +55°C |