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USB DVB-T /ISDB-T Modulator
100–2500 MHz
Features
- 01
USB based modulator/ demodulator with support for EN 300 744 DVB-T and ARIBSTD-B31 ISDB-T /ABNT NBR 15601 ISDB-Tb transmission. - 02 Powered from the USB bus, so no external power adapter is required.
- 03
Full hardware modulation/ demodulation, no host CPU computation required. - 04 Professional grade modulation error rate (MER).
- 05 Modulator (Transmitter)
— Direct digital conversion to 100..2500 MHz for excellent signal quality · Standard 2/3/4/6/7/8 MHz bandwidth · ISDB-T Layer mode supported:1-layer (13-seg ) and2-layer (12+1 seg) · No time-interleaver support inISDB-T mode · Programmable digital attenuator · Free Windows Stream Player · Free Windows and Linux SDK - 06 Applications
— DVB-T /ISDB-T /-Tb signal generator · Demonstrations · Research and development · Video Broadcast/ Distribution · Digital Signage · Wireless Display · Hotel TV, Hospital TV, On-Board TV, Luxury Home Entertainment · Hotel Info TV, Trade Shows, Mall Info TV, Campus TV, In Stadium · Live Sports, Monitoring, Surveillance, Corporate TV · Industrial Monitoring · Amateur HAM TV - 07 Host requirements
— CPU: Intel, AMD, ARM, MIPS · 128MB RAM of system memory or above · Higher CPU and memory required if ISDB-T audio/video decoding is needed. · One available USB2.0 or 1.1 port
Specifications
General Specifications
- RF Connector
Two 75-Ω MCX (female) connectors, one for Tx and one for RxBandwidth — DVB-T - 2/3/4/5/6/7/8 MHz
Bandwidth — ISDB-T - 6/7/8 MHz
- FFT
- 2K, 4K, 8K
- Constellation
64QAM/16QAM/ QPSK - Code rate
- 1/2, 2/3, 3/4, 5/6, 7/8
ISDB-T Time-interleaver- Not supported
- Guard interval
- 1/4, 1/8, 1/16 or 1/32
ISDB-T Layer1-layer (13-seg ) and2-layer (12-seg +1-seg )ISDB-T Segment- 13 セグメント / 12+1セグメント
- Frequency range
- 100 .. 2500 MHz, tuning step 1 KHz
- RF Output Level
5 dBm (113 dBuV) @ 100-470 MHz; 5 dBm (113 dBuV) @470-950 MHz; 0 dBm (108 dBuV) @950-1900 MHz; -5 dBm (103 dBuV) @1900-2500 MHz- Digital Attenuator
- Range: +0/-25dB, Step size 1dB
- MER
Typically, @-5 dB attenuation by ADRF6755: >39dB@V-band; >39dB@ 470-950 MHz; >36dB@950-1900 MHz; >34dB@1900-2500 MHz- Spectrum Shoulder (Adjacent channel)
- 40dB
- Phase noise
- <-92dBc @ 10kHz
- Carrier Suppression
- >42dB
- USB port
- USB 2.0 or USB 1.1
- Power
- 5V DC (USB Bus Power) 560mA
- Dimensions (LxWxH)
- 67 x 35 mm (excluding USB connector)
- The power consumption is a little over USB bus power budget (500mA). Please make sure your USB port can support it well.
- USB 1.1 can only support 3~5 Mbps stream data rate.
Availability varies by model — current-production gear is in the eBay store, and every page links to its original write-up on the old site. Original product page →