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Pico Macom Broadband - PQM - Agile QAM Modulator - Mini Modules - Pico Macom Products - Macom Professional Series - CableNet Connectivity - Active Distribution Components - Connectivity and Drop Components - Headend and Electronics - Fiber Optic - Passive Distribution Components - Installation Tools and Instrumentation
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.
PQM : Agile QAM Modulator
Features
- Professional quality QAM Agile Modulator an UP Converter
- Modular design allows 6 or 8 moduls in 2 RU
- Accepts DVB-ASI input or SMPTE-310, complies with DVB ASI standard
- RF output channels 2~135 (54~860MHz)
- Minimum 45 dBmV output level, low group delay provide crisp, clear picture
- ANNEX B and ANNEX A FEC encoder Support
- Supports Fixed and Auto Clock Mode
- QAM Modes Supported: 64 and 256
- Null Packets stuffing and PCR corrections are provided in the fixed clock mode
- Programmable by channel or frequency
- Loss of Transport Stream Alarm
- Built in CW Test mode
- Used with MPC-12, MPC-12R, or MPC-16PS/CS (chassis and power supply)
Specifications
| QAM Modes | 64, 256 |
|---|---|
| Symbol Rate | 1 to 7 Mbaud |
| Input | ASI |
| FEC Encoder | ITU-T J.83 ANNEX B ( DigiCipher® II, ITU-T J.83 ANNEX A (DVB) |
| Spectral Inversion | Selectable |
| Carrier Suppression | >53 dB |
| MER | 40 dB Minimum |
| I/Q Phase Error | < 1° |
| I/Q Amplitude Imbalance | < 1% |
| QAM RF Output Specifications | |
| Frequency Range | 54 to 860 MHz |
| RF Output Channel | 2-135 |
| Output Level | 45 dB minimum |
| Output Level Control Range | 15dB |
| In-band QAM RF Flatness | ±0.5dB |
| QAM RF Amplitude Flatness | .9 dB maximum (54 to 860 MHz) |
| Output Impedance | 75 Ohms |
| Phase Noise @ 10 KHz Offset | -105 dBc/Hz |
| Frequency Stability | ±5 Khz |
| Broadband Noise | -75 dBc |
| Spurious Output | - 60 dB minimum (54 to 1000 MHz) |
| Group Delay | < 10 ns |
| Connectors | F-type |
| ASI Input BNC | 75Ω |
| RF output | F type, Female |
| Connectors | |
| Power Headers | 3 Pin, 5 VDC, 12 VDC, and Gnd |
| Power Requirement Voltages | 5, 12 VDC |
| Power Consumption per Module | 6.5 Watts, (6 modules, 39 Watts) |
| Operating Temperature Range | 0 to 50 °C |
| Mechanical | |
| Dimensions | 2”(W) x 10”(D) x 3.5”(H) |
| Weight | 1.6 lbs |
Mini Modules
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