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AD/DA Conversion Board, 12 Bit, 200 MHz
The AD/DA conversion board is designed for wideband analog I/Q modulation and demodulation.
Two D/A converters (AD9753/Analog Device) and two A/D converters (AD9430/Analog Device) with high resolution (12 Bit) and accuracy are used. The data converters can operate with clock frequency up to 200 MHz.
The D/A and A/D conversion is realized on a common PCB. Furthermore the 200 MHz clock generation and synchronisation to external reference frequency is placed on the AD/DA board. The D/A and A/D converters, the PLL (ICS8432-101) and Clock distributor device (ICS87322I) are configurable via separate control lines.
To achieve improved decoupling from digital noise sources, separate voltage regulators are used for generation of analog and digital supply voltages.
Both D/A and A/D converters are clocked with 200 MHz. The I/O data buses are split into two branches, each clocked with 100 MHz. The main system clock (100 MHz) and optional the 200 MHz clock are fed to external connectors.
The AD/DA-Conversion Board has a separate power connector for +5V Power supply.
The AD/DA-Conversion Board is constructed as an add-on board for the following FPGA platforms:
- iaf FFP basic
- CHIPIt Gold Edition