MQM6000L Multiplexing QAM Modulator
MQM6000L Multiplexing QAM Modulator with built-in Agile Upconverter
The R.L. Drake model MQM6000L is a professional quality, digital headend modulator that accepts one to six single or multiprogram transport streams via six BNC, Asynchronous Serial Input (ASI) connectors. When six streams are input, the MQM6000L then multiplexes one program from each input and applies the result to the QAM modulator and up converter for output onto any desired CATV or off-air output channel between 54 and 1002 MHz. A program filter is provided to allow selection of the desired program from each input stream. Other programs in the incoming streams are dropped.
- Front panel display and buttons allow easy setup and monitoring of operating mode and parameters.
- +40 dBmV output, QAM modulator and very low phase noise agile upconverter are built in.
- Output is agile on CATV or broadcast channels from 54 to 1002 MHz.
- Six ASI Inputs.
- TS Multiplexer for MPEG2 transport streams. Programs may be MPEG2 or H.264.
- ATSC PSIP is supported.
- MPEG program and minor channel number offsetting when multiplexing.
- Major channel number pass through or remarking is selectable when multiplexing.
- Rewriting of the MPEG tables is provided when two input streams are multiplexed.
- PCR correction is performed when necessary.
- RS232 remote control and monitoring capability with the included Drake Digital Headend Control Software.
- High MER output signal quality.
- 1U tall package with internal power supply conserves rack space.
- Manufactured in the USA.
Download the owners manual (PDF)
| Drake Digital MQM6000L Technical Specifications | |
|---|---|
| ASI Inputs | |
| Inputs: | Six Asynchronous Serial Inputs (ASI). |
| QAM Modulator | |
| Modulation Modes: | 16QAM, 32QAM, 64QAM, 128QAM, 256QAM,512QAM or 1024QAM. Refer to manual for available combinations of QAM modes and FECs. |
| Symbol Rate: | 1 Ms/s to 7 Ms/s. |
| Forward Error Correction (FEC): | ITU-A (DVB) or ITU-B (DigiCipher® II). |
| I/Q Phase Error: | Less than 1 degree. |
| Carrier Suppression: | 45 dB. |
| Channel Amplitude Error: | Less than 1dB. |
| MER: | Greater than 38 dB with blind equalizer. |
| Null Packet Processing | |
| Fixed output clock mode. | |
| Upconverter RF Output | |
| Output Frequency Range: | 54 MHz to 1002 MHz. |
| Channel Plan: | Standard CATV, HRC, IRC or Broadcast. |
| Frequency Stability: | ±5 ppm. |
| Maximum Output Level: | +40 dBmV minimum, adjustable downward. |
| Output Level Accuracy: | ±1 dB. |
| Output Impedance: | 75 Ohms with return loss better than 14 dB (within output filter passband). |
| Spurious Outputs: | -60 dBc from 40 MHz to 1000 MHz. |
| Broadband Noise: | -75 dBc |
| Phase Noise: | -101 dBc @ 10 kHz offset. |
| RS232 Control | |
| Data Link: | 2400, 4800, 9600, or 19,200 baud interface via serial cable. |
| RS232 Input: | DB9 connector for connection to modem, PC, or Drake SCTeci ethernet controller. |
| RS232 Output: | DB9 connector for connection to additional units. |
| General | |
| Power: | 90-132 VAC, 60 Hz, 15 W maximum |
| Weight: | 7 lbs. (3.2 Kg.) |
| Size: | 19" (48.3 cm) W x 1.75" (4.45 cm) H x 11.5" (29.2 cm) D |
| Operating Temperature: | 0º C (32º F) to 50º C (122º F) |
Specifications, price, and availability are subject to change without notice or obligation.
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