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© 2004 GDP Space Systems - a division of Delta Information Systems, Inc.

Multi-Mode Modem - Model 400

[ Modems ]

 

The Model 400 Modem comprises a configured set of seven (7)VME modules contained in a Modular Subcarrier Subsystem (MSS) chassis.

Features
  • SGLS MODULATION
    • 1,2,10,106 kbps
    • FSK Tones 60kHz to 3MHz
  • LINEAR PHASE MODULATON
    • 70 OR 75MHz (Specify)
    • Locks to EXT REF
  • UQPSK MODULATION
    • Up to 10MHz Subcarrier
    • Up to 5Mbps each input
    • Locks to EXT REF
    • Programmable Arm Unbalance
  • DEMODULATES
    • SGLS AM/FSK
    • UQPSK
    • PM
    • BPSK
    • QPSK (Option)
  • REMOTE CONTROL AND MONITORING

The Modulator section of the unit consists of the FSK003 AM-FSK (SGLS) Modulator, PSK007 UQPSK Modulator, SUM004 Summer and the PMM004 Phase Modulator.

The Demodulator section consists of the FDT003 AM/FSK (SGLS) Detector, and the RDM020 Receiver/Demodulator which includes a Linear Phase Demodulator and UQPSK Demodulator with I Channel Bit Synchronizer.

The Q Channel produces an analog output. The CPU010 Control Processor provides control of the unit via either the local front panel VF Display and keypad or the Remote Control Interface.