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Home >>
Broadcast
Systems >> COFDM QAM 8VSB Modulators
and Demodulators
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| DTMD
1000 |
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DTSR
1000 |
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DTTR
1000 |
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| Professional DVB -T Modulator
with DVB ASI input and COFDM output |
Professional DVB-S IRD (Satellite
Receiver) with DVB ASI output |
DVB -T Terrestrial Receiver
with COFDM input and DVB ASI outputs |
| Standard Features:
- Suitable for STB testing & software development applications
- DVB-ASI & DVB-SPI (LVDS) Inputs
- COFDM Modulation
- Fixed IF & tuneable UHF outputs
- Low Cost
- Compact 1RU construction
- Firmware upgradeable in service
- Reset/Status port provides alarm monitoring via contact closure
Further
Information |
Standard Features:
- DVB-S QSPK Receiver
- Frequency Tuning in 1MHz steps
- SNMP v1 Control (optional)
- Ideal front end for MPEG-2 Decoder
- Dual DVB-ASI Outputs
- Low Cost Firmware upgradeable in service.
- Compact 1 RU Construction
- Reset/Status port provides alarm monitoring via contact closure
Further
Information
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Standard Features:
- DVB-T COFDM Receiver
- UK channel table selectable with upper & lower offsets
- SNMP v1 Control (optional)
- Ideal front end for MPEG-2 Decoder
- Dual DVB-ASI Outputs
- Low Cost
- Firmware upgradeable in service.
- Compact 1 RU Construction
- Reset/Status port provides alarm monitoring via contact closure
Further
Information
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| DTCR
1000 |
DTVD
1000 |
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| Professional DVB Cable Receiver
with QAM Input DVB ASI output |
Professional 4:2:2 MPEG-2 Decoder
with ASI outputs |
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| Standard Features:
- DVB-C 16 TO 256QAM Receiver
- Frequency Tuning in 1MHz steps
- SNMP v1 Control (optional)
- Ideal front end for MPEG-2 Decoder
- Dual DVB-ASI Outputs
- Low Cost
- Firmware upgradeable in service.
- Compact 1 RU Construction
- Reset/Status port provides alarm monitoring via contact closure
Further
Information
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Standard Features:
- 4:2:0 & 4:2:2 VIDEO DECODER
- MPEG Layer 1 & 2 Audio Decoder
- Dual DVB-ASI Inputs DVB-CI Conditional Access Descrambling
- Firmware upgradeable in service
- Composite video output
- Dual SDI with embedded audio outputs
- Analogue & Digital audio outputs
- ASI output after descrambling
- Reset/Status port provides alarm monitoring via contact closure
Further
Information
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| Showman
5000 Series |
Showman
6000 Series |
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| 5100 Series
Off Air Receiver-Demodulator |
High Performance
Off Air Receiver-Demodulator |
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| The SHOWMAN now has 198 preset and easily selectable
channels, IF output and an 'F' type antenna input socket. There
are Serial as well as Parallel remote control D type connectors.
Most of the front panel controls can be remoted via the remote control
sockets. |
The advanced Showman 6000 series, offers a fully
agile demodulator for television RF signals in the range 45.25 to
860.25 MHz PAL or 55.25 to 801.25 MHz NTSC. A high performance conversion
process guarantees measurement quality performance with a dynamic
range of facilities.
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| Standard
Features:
Front Panel
- Channel Number Indicator
- Signal Strength Indicator
- Programme Select (10)
- Programme Store
- Tuning Up/Down
- Stereo/Mono1/Mono2 Audio Output Select
- Audio Status Indicators
- Headphone Selector
- Headphone Volume Control
- Power Consumption 30 VA
- Height 44 mm
- Width 483 mm
- Depth 350 mm
- Weight 3.5 Kg
Rear Panel
- Mains Input Connector (IEC) 85-265V AC, 50/60Hz
- 4 Video Outputs (75 ohm BNC)
- Antenna Input 'F' Type connector
- NICAM Data and Clock Output (75 ohm BNC)
- IEC/EBU 958 Digital Audio Output (75 ohm BNC)
- NICAM QPSK (6.552 or 5.85 MHz) (75 ohm BNC)
- FM Audio Outputs (XLR)
- Stereo Audio Outputs (XLR)
- 9 Way 'D' Type Serial Remote Control
- 9 Way 'D' Type Parallel Remote Control
- NICAM demodulated quadrature signals (75 ohm BNC)
Further
Information |
Standard Features:
Front Panel
- Frequency
- Program
- Signal strength
- Audio output status
- Audio monitor
- ZCP on/off select
- IF/RF Source Selected
- NICAM error count
- Serial Control Configuration
- AFC on/off Select
- RF Alarm Level
- Alarm Status
- Up/Down keys for tuning and menu search
- Channel, Frequency or Program select key
- Audio output select key
- Audio monitor select key
- Menu configuration key
- Numeric keypad for data entry
- Clear entry key
- Program Memory entry key
- Headphones socket for audio monitoring
Rear Panel
- Mains input connector (IEC)
- Antenna Input (F type)
- IF Input (BNC)s
- 3 Video Outputs (BNC)
- IF Output (BNC)
- Audio IF Output (BNC)
- Audio 1, Audio 2 stereo/mono audio Outputs (XLR)
- NICAM Data and Clock Outputs (BNC)
- NICAM QPSK (6.552 MHz PAL, 5.85 MHz B/G) (BNC)
- NICAM demodulated quadrature signals (BNC)
- IEC/EBU 958 Digital Audio Output (BNC)
- Serial Control Port (9 D type female)
- Alarms Port (9 D type female)
Further
Information |
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These are products made by Vcom Inc. We
are a reseller in USA.
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| UCM4540 |
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Dual4050 |
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MA4050B |
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Digital QAM Modulator/Upconverter (Independent
QAM Modulator and Upconverter in 1U)
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Dual4050 is a versatile commercial quality
dual IF modulator for digital video applications. The Dual4050 contains
two QAM modulator cards in a 1RU chassis. In addition to front panel
control, each Dual4050 chassis is also fully remote controllable
via a serial interface or SNMP module.
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QAM Modulator Card
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System Features:
- Independent QAM Modulator and Upconverter in a 1U chassis
- Fully agile upconverter covers entire frequency range of 53
to 857 MHz
- Fully synthesized tuning for drift free operation (12.5 kHz
step size)
- Includes nonvolatile memory to save configuration through power
down and power loss
- Programmable, remotely controllable units using RS232, RS485,
Terminal or optional SNMP
- High reliability, state-of-the-art design using Microstrip MMIC
and Surface Mount technology
- Conservative component derating and 100% burin in help ensure
reliable operation
Further
Information
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Standard Features:
- Standard 44.0 MHz IF output
- Selection of data inputs including DVB parallel/synchronous
serial, and DVB-ASI
- DVB, DAVIC (ITU-T J.83 Annex A) and DigiCipher IIT (ITU-T J.83
Annex B) encoding available
- Selectable excess bandwidths of 13%, 15% and 18%
- Internal Power Detector for IF output ensures ease of operation
- Microprocessor control ensures optimum performance
- Non-volatile memory to store operating configuration and to
protect against power failures
- High reliability is enhanced by a high level of integration,
minimizing interconnections
- Can generate pseudorandom data sequence or CW for test purposes.
Standard 44.0 MHz IF output
- Selection of data inputs including DVB parallel/synchronous
serial, and DVB-ASI
- DVB, DAVIC (ITU-T J.83 Annex A) and DigiCipher IIT (ITU-T J.83
Annex B) encoding available
- Selectable excess bandwidths of 13%, 15% and 18%
- Internal Power Detector for IF output ensures ease of operation
- Microprocessor control ensures optimum performance
- Non-volatile memory to store operating configuration and to
protect against power failures
- High reliability is enhanced by a high level of integration,
minimizing interconnections
- Can generate pseudorandom data sequence or CW for test purposes

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Card Features:
- Standard 44.0 MHz IF output
- Selection of data inputs including DVB parallel/synchronous
serial, and DVB-ASI
- DVB, DAVIC (ITU - T J.83 Annex A) and Digicipher II ™
(ITU - T J.83 Annex B) encoding available
- Selectable excess bandwidths of 13%, 15%, and 18%
- Internal Power Detector for IF output ensures ease of operation
- Microprocessor control ensures optimum performance
- Non-volatile memory to store operating configuration and to
protect against power failures
- High reliability is enhanced by a high level of integration,
minimizing interconnections
- Can generate pseudorandom data sequences for test purposes
System Features:
Local control via LCD and 4 soft touch push buttons
Remote frequency and level agile via RS232/RS485 or optional SNMP
Fully digital filtering and modulation provides the highest accuracy
QAM output signal
Durable design is reflected in the stainless steel chassis and
Lexan labels
International internal switching power supply (100-240 VAC)
System Features:
- Local control via LCD and 4 soft touch push buttons
- Remote frequency and level agile via RS232/RS485 or optional
SNMP
- Fully digital filtering and modulation provides the highest
accuracy QAM output signal
- Durable design is reflected in the stainless steel chassis and
Lexan labels
- International internal switching power supply (100-240 VAC)
Further
Information
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