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UT-100 Series

USB DVB-T Modulator Adaptor

USB DVB-T transmit/receive adaptors (UT-100A/B/C/D)

50~950 MHz and 1200~1350 MHz

The UT-100 series is a family of USB based modulator/demodulator adaptors supporting EN 300-744 DVB-T transmission and reception. They are powered from the USB bus, so no external power adapter is required, and perform full hardware modulation/demodulation with no host CPU computation required.

50~950 MHz and 1200~1350 MHz · 2~8 MHz configurable bandwidth · USB bus powered, Tx/Rx full duplex

Datasheet — UT-100 Series

01 · DVB-T Modulator Adaptor

Features

  • 01 USB based modulator/demodulator with support for EN 300-744 DVB-T transmission and reception.
  • 02 Powered from the USB bus, so no external power adapter is required.
  • 03 Full hardware modulation/demodulation, no host CPU computation required.
  • 04 Modulator (Transmitter) — Direct digital conversion to 50~950MHz and 1200~1350 MHz for excellent signal quality · Configurable bandwidth 2MHz ~ 8 MHz · UT-100A/UT-100B/UT-100C support configurable bandwidth from 2MHz to 8 MHz. (Note: UT-100D supports only receiving and does not support transmitting.) · Support only non-hierarchy mode · Programmable digital attenuator · Free Windows Stream Player · Free Windows and Linux SDK
  • 05 Demodulator (Receiver) — UT-100A supports Worldwide Free to Air Digital Terrestrial (DVB-T) Receptions (5/6/7/8 MHz) · UT-100B/UT-100D is a special custom version (supporting 2/3/4 MHz bandwidth) for amateur HAM TV reception. (Note: UT-100C supports only transmitting and does not support receiving.) · Standard Windows DVB-T BDA driver provided · Windows Media Center compatible DVB-T TV tuner
  • 06 Applications — DVB-T 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 DVB-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 Rx
Bandwidth — Transmitter
UT-100A: 2/3/4/5/6/7/8 MHz; UT-100B: 2/3/4/5/6/7/8 MHz; UT-100C: 2/3/4/5/6/7/8 MHz; UT-100D: n/a
Bandwidth — Receiver
UT-100A: 5/6/7/8 MHz; UT-100B: 2/3/4 MHz; UT-100C: n/a; UT-100D: 2/3/4 MHz
FFT
2K, 4K, 8K
Code rate
1/2, 2/3, 3/4, 5/6, 7/8
Guard interval
1/4, 1/8, 1/16 or 1/32
Frequency range — Transmitter (UT-100A/B/C)
50~950MHz and 1200~1350MHz, step size 1KHz
Frequency range — Receiver (UT-100A/B/D)
50~950MHz, step size 1KHz
RF Output Level
0 dBm (108 dBuV)
Digital Attenuator
Range:+6/-25dB*, Step size 1dB
MER
50~950MHz, 35dB Typically; 1200~1350MHz, 30dB Typically
Spectrum Shoulder (Adjacent channel)
45dB
Phase noise
<-92dBc @ 10kHz
Carrier Suppression
>42dB
USB port
USB 2.0 or USB 1.1
Power
5V DC (USB Bus Power) / 390mA (Tx and Rx) / 170mA (Rx only) / 340mA (Tx only)
Dimensions (LxWxH)
75 x 30 x 15mm
  • USB 1.1 can only support 3~5 Mbps stream data rate.
  • There could be MER loss in high gain/attenuation level.

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 →