DekTec DTA-110 QAM A/B/C Modulator with UHF Upconverter
QAM modulator compliant to DVB-C (EN 300 429) and ITU-T J.83 Annex A, Annex B and Annex C
- Supports 4-QAM, 16-QAM, 32-QAM, 64-QAM and 128-QAM
- 256-QAM for non-broadcast purposes
- Integrated UHF Upconverter with on-board 400...862-MHz synthesiser
- RF output can be connected directly to antenna input of a digital cable receiver
- Programming interface (DTAPI) is fully compatible with other DekTec digital-video output adapters
- PCI rev 2.2, 32 bit, 33 or 66 MHz bus
Overview
- Complete QAM A/B/C Modulator
- UHF Upconverter 400...862 MHz
- Direct Connection to Cable Receiver
- Comes with free:
- Windows-2000/XP/2003 & Linux device driver and Software Development Kit for developing custom applications
- DtLoop application to copy packets from an input adapter to the DTA-110
Features
QAM modulator compliant to DVB-C (EN 300 429) and ITU-T J.83 Annex A, Annex B and Annex C
- Supports 4-QAM, 16-QAM, 32-QAM, 64-QAM and 128-QAM
- 256-QAM for non-broadcast purposes
- Integrated UHF Upconverter with on-board 400...862-MHz synthesiser
- RF output can be connected directly to antenna input of a digital cable receiver
- Programming interface (DTAPI) is fully compatible with other DekTec digital-video output adapters
- PCI rev 2.2, 32 bit, 33 or 66 MHz bus
Specifications
Parameter | Value | |
| Modulation | ITU-T J.83 A/B/C EN 300 429 | |
| Useful Bit-Rate Range | 0...52.4 Mbit.4 Mbit/s | |
| Symbol Rate | Range | 5.0...7.1 MBd |
| Accuracy | ≤ ± 25 ppm | |
| Resolution | 12 mBd | |
| RF Output | Connector (2x) | F Type, 75 Ω |
| Frequency Range | 400...862 MHz | |
| Accuracy | ≤ ± 1 ppm | |
| Step Size | 200 kHz | |
| Output Level | -27 ± 2 dBm | |
| Spectral Purity | >50 dB* | |
| Return Loss | ≥ 20 dB | |
* Except for second harmonic of carrier; d2 suppression is 20 dB or better
