 1.MDP-34/45MB-70A/B Modulator/Demodulator (QPSK Modulation)
Having auxiliary information and the digital service interface, equipments of type B have the function of error correction.
Transmission capacity: 34Mb, 45Mb
Intermediate frequency: 70MHz
Structure :19 inch 1U
Application situation:
This equipment mainly used in digitized transformation of analog microwave circuit, retains the transreceiver, saving the transformation expense.
2.DVB-S Modulator/Demodulator (QPSK Modulation)
Conforming to the DVB-S ETSI/EN300 421 standard
Transmission code rate: 2MB-64MB
Output frequency: 70MHz or 900MHz-2100MHz (options)
Interface :ASI or E3 or DS3 Error
Error correction: According to the DVB-S request, dual error corrections of RS (Solomon) error correction encoding and convolutional error correction encoding.
3.DVB-C QAM Modulator
Conforms to the DVB-C ETSI/EN300 429
Modulation mode: 16QAM, 32 QAM, 64 QAM,128 QAM, 256 QAM
Output intermediate frequency: 36.125MHz or other frequencies
|
