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Drake Digital Modular QAM Modulator (QM1000)

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Drake Digital Modular QAM Modulator (QM1000)

Brand: Drake           P\N: QM1000          

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Availability: Usually Ships Same Day
Condition: New


Your Price: $82499


List Price: $1,099.00




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Description


Drake The Drake QM1000 QAM Modulator with Upconverter is a professional quality modular digital headend component designed to provide optimum performance with minimized rack space requirements. This modulator accepts a MPEG2 transport stream input in an ASI serial format and is capable of providing a QAM output with 64 or 256 constellation points.

Features


  • The QM1000 requires the use of a separate power supply and module chassis

  • The power supply is the Drake PS8/The chassis is the Drake DRMM12

Specs


Technical Data And Specifications

DRAKE QM1000 MODULAR QAM MODULATOR 1002572
QM1000 Specifications:
Modulation Modes: 64QAM, 256QAM or CW selected via front panel slide switch.
Symbol Rate: 5.056941MS/S for 64QAM, 5.360537MS/S for 256QAM
FEC: ITU-B
Interleaver Modes: I128-J1, I128-J2, I64-J2, I128-J3, I32-J4, I128-J4, I16-J8, I128-J5, I8-J16, I128-J6, I4-J32, I128-J7, I2-J64, I128-J8, or I1-J128. Selected via rear panel DIP switch
I/Q Phase Error: < 1 degree
Carrier Suppression: > 40 dB
Channel Amplitude Error: < 0.5 dB
MER: > 40 dB with blind equalizer
Output Frequency Range: 44 MHz to 1000 MHz
Channel Plans: Standard CATV and 44 MHz IF mode(channel 000)
Frequency Stability: ± 2.5 ppM
Output Level: + 45 dBmV nominal. + 30 dBmV for 44 MHz IF mode
Output Adjustment Range: ± - 15 dB via front panel potentiometer. Output Level adjusts in 0.5 dB steps
Output Flatness: ± - 2 dB
Output Return Loss: > 10 dB within output filter passband
Output Filter Ranges: 44 MHz to 1000 MHz, 100 MHz to 150 MHz, 150 MHz to 250 MHz, 250 MHz to 450 MHz, 450 MHz to 600 MHz, 600 MHz to 1002 MHz
Spurious: > - 60 dBc except 44 MHz IF mode where the 3rd harmonic is > - 35 dBc
Phase Noise: > - 101 dBc at 10 KHz offset 1 KHz to 10 KHz = < - 55 dBc double sideband noise power, 10 KHz to 50 KHz = < - 52 dBc double sideband noise power, 50 KHz to 3 MHz = < - 48 dBc double sideband noise power
Adjacent Channel: ± 3.0 MHz to ± 3.75 MHz = > - 60 dBc in 750 KHz, ± 3.75 MHz to ± 9.0 MHz = > - 59 dBc in 5.25 MHz, ± 9.0 MHz to ± 15.0 MHz = > - 65 dBc in 6.0 MHz
Broadband Noise: - 78 dBc in 6 MHz bandwidth
Power: + 12V @ 275 mA, + 5V @ 400 mA typical
Weight: TBA
Dimensions: Size:
Weight: 4 lb
Operating Temperature: 0° to 50° Celsius
Note Concerning Operating Temperature: If the operating temperature of the unit changes by more than 25 degrees Celsius the unit will recalibrate its internal synthesizer. This will cause a momentary interruption of the output
Specifications, price, and availability are subject to change without notice or obligation.

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