代理数字电视调制器TVB590/TVB595...

Overview
The di*al streaming DTV modulator PCI card can play MPEG stream from hard disk and DVB-ASI/SMPTE-
310M input into on-air signal. The output can be industry standard 55~860 MHz and 964~1700MHz selectable
RF signal. On board synthesizer can generate stable and accurate symbol clock and tuning frequency. The
transport stream can be supplied through PCI card interface and DVB-ASI/SMPTE-310M input.
Features
- Transport stream from hard drive thru PCI interface and DVB-ASI/SMPTE-310M input
- OFDM (DVB-T/DVB-H) modulation option available
- DVB-S2 modulation option (QPSK/8PSK) mode option available
- QAM (DVB-C/ITU-T J83 Annex B) modulation option available
- QPSK (DVB-S) modulation option available
- ATSC 8VSB modulation option available
- On board VHF/UHF RF output up-converter
- DVB-ASI output for monitoring
- Frequency range band III and L-band
- Software-selectable PRBS modes and adjustable level
- Real-time attenuatable RF output from 0 to 31.5 (0.5dB step)
T-D* Option Specifications
Standard
Compliant with ETS 300401 and
ETS300799
RF output
Level: -30dBm (at band III),
-45dBm (at L-band)