DTA-110DTA-110 Key Attributes
| Modulation | ITU-T J.83 A/B/C EN 300 429 (DVB-C) |
| Symbol Rate | 5.0 ... 7.1 MBd |
| Symbol Rate Accuracy | < ± 25 ppm |
| Symbol Rate Resolution | < 12 mBd |
| RF Connector | 75Ω F-Connector (2x) |
| RF Frequency Range | 400 ... 862 MHz |
| RF Frequency Accuracy | < ± 1 ppm |
| Output Level | -27 ± 2 dBm |
| Spurious Suppression | > 50 dB (d2: 20 dB) |
| Return Loss | > 20 dB |
| PCI rev 2.2 compliancy | 32 bit, 33/66 MHz Universal 3V/5V |
Data Sheet
LeafletApplication Notes
DTA-110
QAM-A / B / C Modulator
with UHF Upconverter
for PCI Bus
The DTA-111 is available as replacement
DTA-110 Features
- Compliant to EN 300 429 (DVB-C), ITU-T J.83 Annex A, Annex B and Annex C
- Integrated UHF Upconverter with on-board 400 .. 862-MHz synthesiser
- Supports 4-QAM, 16-QAM, 32-QAM, 64-QAM and 128-QAM; 256-QAM for non-broadcast purposes
- PCI rev 2.2, 32 bit, 33 or 66 MHz bus
- RF output can be connected directly to a digital cable receiver
- Complete on-board channel coder with Reed-Solomon encoder, convolutional interleaver and base-band shaping filter
- Software interface compatible with other DekTec digital-video output adapters
DTA-110 Applications
- Driving digital cable receivers for demos, at shows, in electronics stores
- Set-top-box development, repair, production testing, performance testing
- Signal validation: check out whether receivers can handle a new transport stream
- Low-cost RF distribution of digital TV services
- Output adapter for generating a QAM modulated RF signal directly from your custom application
- With DtLoop: modulator replacement
Block Diagram
