Multi-standard modulator with 44MHz IF and digital I/Q output for PCI bus. With support for all popular QAM-, OFDM- and VSB-based modulation standards. Two user-configurable 44-MHz IF outputs: real and imaginary signals, facilitating external quadrature upconversion. Independent bi-directional DVB-ASI port. API is fully compatible with other DekTec digital-video output adapters.
Multi-standard modulator with support for all popular QAM-, OFDM- and VSB-based modulation standards
Two user-configurable 44-MHz IF outputs: real and imaginary signals, facilitating external quadrature upconversion
Digital baseband I+Q outputs
Independent bi-directional DVB-ASI port
API is fully compatible with other DekTec digital-video output adapters
PCI rev 2.2, 32 bit, 33 or 66 MHz bus
Applications
Digital I/Q sample generator
High-fidelity modulator
Modulation bandwidth:
5.0 to 8.0 MHz
MER:
41dB RMS (DVB-C)
42dB RMS (DVB-T)
IF Output:
Frequency: 44.0MHz ±1ppm
Connector: 50 ohm BNC (2x)
Return Loss: 20dB (5 to 70MHz)
Level (QAM): -11dBm ±1dB
Level (OFDM): -14dBm ±1dB
Phase Noise: <-115dBc at 10kHz <-105dBc at 1kHz
Spectral Purity: >40dB (0 to 1GHz)
Digital Output:
Connector: 14-pins header
Signal Level: LVDS
Data Bus: 16-bit I+Q at 44MHz
Maximum Frequency Response (Bandwidth):
8000 kHz
Maximum Frequency Response (Bandwidth):
8000000 Hz
Minimum Frequency Response (Bandwidth):
5000 kHz
Minimum Frequency Response (Bandwidth):
5000000 Hz