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It’s the heart and soul of your operation. Day in, day out delivering quality video, audio and data to your customers. There’s no bigger investment in your system than your headend electronics. Now think about what goes into a great headend: high-quality electronic equipment with state of the art design and engineering, equipment that you’re proud to see on the headend rack. Sleek and stylish on the outside. Powerful and reliable on the inside. Versatile and practical all around. Agile to meet your changing needs and able to reach your bandwidth requirements with capacity to grow. Specs to make you smile and performance to make your customers sit up and notice. Well, how about that: We’ve just described the Macom Professional Series headend products.
PMD : 8VSB/QAM HDTV Digital Demodulator
Features
- Decodes 8VSB, QAM 64 and 256 (Annex B) Digital RF signals in frequency Range 54 to 860 MHz
- ATSC A.54 Compliant
- Supports EIA-608 Closed Caption
- High Density Design with 4 Independent Decoders and Micro-Controller in 1RU Chassis (PMD-4)
- Front Panel Status LED indicates 8VSB/QAM Status and RF Input Signal Lock
- Easy Set-up and Configuration via Front Panel LCD display
- Decodes any of the 18 ATSC video formats
- Supports HRC and IRC Offset Formats
- Features 4 RCA Video Output Connectors, 8 Left and Right Stereo Audio Outputs, and 4 RF Input accessable from the back panel
Specifications
| Input Frequency Range | 54 to 860MHz |
|---|---|
| Input 8VSB Mode | |
| Channel Range | VHF 2-13, UHF 14-69 (54 TO 806MHz) |
| Data Rate: 64, 256 QAM | 19.392Mbps |
| Input AGC Range | -83 to -5dBm |
| Input QAM Mode | |
| Channel Range | CATV 2-135 (54 TO 860 MHz) |
| Data Rate: 64 & 256 QAM | 26.9, 38.8Mbps |
| Video Output | |
| Output Level | 1vp-p |
| Video Format | 480i |
| Frequency Range | DC to 4.2 MHz |
| Video Flatness Level | ±.5dB |
| Impedance | 75Ω |
| Audio Output | |
| Output Level | Ivp-p |
| Frequency Range | 50Hz to 15KHz |
| De-emphasis | 75μs |
| General | |
| Input AC Voltage | 110 to 240VAC, Switching |
| Operating Temperature | 0 to 50°c |
| Dimensions | 19”(W) x 11”(H) x 1.75”(D) |
| Weight | 9.5 lbs |
Demodulators
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