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Product Categories>CATV Headend & Interface>RF Modulators

Pico Digital

Pico Digital PQM Agile QAM Modulator

Features:
  • Professional quality Agile QAM Modulator and Up-Converter
  • Modular design allows 6 or 8 modulators in 2 RU
  • Accepts DVB-ASI input
  • RF output channels 2~135 (54~860MHz)
  • Minimum 45 dBmV output level
  • ANNEX B and Annex A support
  • Supports fixed and auto clock mode
  • QAM Modes Supported: 64, 128, 256
  • Null packets stuffing and PCR corrections provided
  • Programmable by channel or frequency
  • Loss of transport input stream alarm
  • Built in CW Test mode
  • Used with MPC-12, MPC-12R, or MPC-16PS/CS (chassis and power supply)
Specifications:
  • QAM Modes
  • Annex A 16, 32, 64, 128 & 256
  • Annex B 64 & 256

    Symbol Rate 1 to 7 Mbaud
  • Input ASI
  • FEC Encoder ITU-T J.83 ANNEX B ( DigiCipherr II,
  • ITU-T J.83 ANNEX A (DVB)
  • Spectral Inversion Auto Recognition
  • 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 75O
  • 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 75 Ohm
  • 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, and 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.
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