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Home >> Digital Signage
>> PCI card Modulators Typically
Used in North America in Cable and Over the
Air
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| TVB
590/QAM |
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TVB 590/8VSB |
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TVB
594/8VSB/2CH |
 
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Frequency
agile (55-810 Mhz) "US clear channel" or DVB-C QAM
16/32/128/256 modulator with field upgradeability to other
modes. Not compatible with SA or Motorola QAM STB's since
they have proprietary signaling. PCI half-card with transport
stream input via PCI bus or external input via BNC connector
on bracket. IF and RF output targeted at only STB Testing,
Digital Signage, and Laboratory Applications. Ships with Windows
XP based Transport Stream Player. This device can feed either
an antenna or coax cable.
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Frequency agile, Field
upgradeable with other modes, VHF/UHF 8VSB modulator. PCI
half-card with RF out on BNC connector. Pulls transport streams
from HD via PCI bus or from external devices from BNC connector
on bracket. Both IF and RF output targeted at Digital Signage,
STB Testing, and Laboratory Applications. Auxiliary ASI out
for checking TS data flow. Ships with Windows based Transport
Stream Player. Linux and Windows SDK available for customization.
This device can feed either an antenna or coax cable.
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Frequency agile, Field
upgradeable with other modes, 2 independent RF channel, VHF/UHF
8VSB modulator. PCI half-card with RF out on BNC connector.
Pulls transport streams from HD via PCI bus or from external
devices from BNC connector on bracket. Both IF and RF output
targeted at Digital Signage, STB Testing, and Laboratory Applications.
Auxiliary ASI out for checking TS data flow. Ships with Windows
based Transport Stream Player. Linux and Windows SDK available
for customization. This device can feed either two antennas
or two coaxial cables.
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Standard
Features:
- Transport Streams pulled from HD via PCI bus or from external
device via BNC on bracket
- 44MHz/36MHz IF output or on board channel selectable UHF
output up-converter
- ITU-T J.83 Annex A, B, and C QAM compliant
- Can be reprogrammed to add 8VSB, QPSK, DVB T, and I-SDBT
to the card
- Freq Config GUI supported via Win 2000, XP and Linux
- Supplied with Windows based Transport Stream Player application.
- Supports up to 45 Mbps input streams
- Null Packets added automatically to adapt to selected
bit rate for a particular QAM mode
- CMI can supply additional sample transport streams
- RF Level 0 dBmV
- Complies with PCI 2.1 32 bit bus
Click
to enlarge
Click
to enlarge
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Standard Features:
- DVB-ASI or SMPTE 310M transport stream input via mini
ASI connector or included BNC header
- When ASI is input the TS can be any rate since it is upconverted
and remuxed to ATSC rate
- When DVB is input the bit rate can be anything above 2
Mbps or below 19 Mbps
- ASI in via PCI or from bracket connector
- Can be reprogrammed to add QAM, QPSK, DVB-T, and I-SDBT
to the card
- 44MHz/36MHz IF output or on board Channel 2~69 selectable
RF output up-converter
- Supports EIA 50-860 MHz Band
- ECC: Reed Solomon(204,188,T=8) encoding
- 8VSB: 2/3 Rate Trellis Coding Conforming to ATSC A.53
specs. Symbol Rate Fixed at 10.7622 Symbol/Sec
- Freq Config GUI supported via Win XP and Linux
- Customer oriented API is also available
- CMI can supply sample transport streams
- Power output adjustable from -25 to 0 dBm
Click
to enlarge
Click
to enlarge
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Standard Features:
- DVB-ASI or SMPTE 310M transport stream input via mini
ASI connector or included BNC header
- When ASI is input the TS can be any rate since it is upconverted
and remuxed to ATSC rate
- When DVB is input the bit rate can be anything above 2
Mbps or below 19 Mbps
- ASI in via PCI or from bracket connector
- Can be reprogrammed to add QAM, QPSK, DVB-T, and I-SDBT
to the card
- 2 separate 44MHz/36MHz IF outputs or on board Channel
2~69 selectable RF output up-converters
- Supports EIA 50-860 MHz Band
- ECC: Reed Solomon(204,188,T=8) encoding
- 8VSB: 2/3 Rate Trellis Coding Conforming to ATSC A.53
specs. Symbol Rate Fixed at 10.7622 Symbol/Sec
- Freq Config GUI supported via Win XP and Linux
- Customer oriented API is also available
- CMI can supply sample transport streams
- Power output adjustable from -25 to 0 dBm
Click
to enlarge
Click
to enlarge
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Bit
Rate Calculator |
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| Typical RF Mixer
and Combiner |
Other
Modulation Profiles(licenses) for TVB 590 Multi Function Family |
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Each
modulator card can be licensed for
additional profiles upon payment of a license fee... Any card
can have one, a few, or many profiles.
Profiles available are:
QAM, DVB-C, QPSK, DVB S, DVB-S2, 8VSB,
T-DMB, DVB T+H, ISDB-T
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| Real time mixer for multiple
VHF or UHF Modulated signals onto a single coaxial cable.
These products come in combiners for 1-8 channels and are
also available from Radio Shack or R.L. Drake.
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Digital Signage:
PCI
Cards for You to Build Your Own Players 
