DekTec DTA-115 Multi-Standard Modulator with VHF/UHF Upconverter
- Multi-standard modulator with support for most QAM, OFDM and VSB-based modulation standards
- Supports all constellations and modulation modes for each supported standard
- All-channel upconverter 47 .. 862MHz covering full VHF and UHF band
Overview
- ATSC, DTMB, DVB-T/H, ISDB-T, QAM
- Programmable Output Level
- Bi-directional DVB-ASI Port
Features
- Multi-standard modulator with support for most QAM, OFDM and VSB-based modulation standards
- Supports all constellations and modulation modes for each supported standard
- All-channel upconverter 47 .. 862MHz covering full VHF and UHF band
- Output amplifier with programmable 0 .. 31.5dB attenuator in 0.5dB steps
- Monitor output for direct connection to the antenna input of a digital receiver
- Bi-directional DVB-ASI port
- 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 | |
| Frequency Range | 47...862MHz ± 1 ppm | |
| Bandwidth | 5.0...8.0 MHz | |
| MER (OFDM) | ≈ 40 dB | |
| Main Output | Connector | 50-Ω BNC |
| Return Loss | ≥ 15dB (47...862MHz) | |
| Level (QAM) | -31.5...odBm ± 1dB | |
| Level (OFDM) | -34.5...-3dBm ± 1dB | |
| Phase Noise | <-90Bc @ 10kHz | |
| Spectural Purity | >50dB (47...862MHz) | |
| Monitor Output | Connector | 75-Ω F |
| Return Loss | ≥15dB (47...862MHz) | |
| Level (QAM) | -27.5dBm ± 2dB | |
| Level (OFDM) | -30.5dBm ± 2dB | |
| DVB-ASI | Connector | 75-Ω BNC |
| Return Loss | ≥15dB (5...270MHz) | |
