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ADC-DAC370

ADC-DAC Module;2 Channels 14 bit; 400MB/sec Digital Bus; Xilinx Virtex II FPGA

Overview

ADC-DAC370 offers a integrated solution for high-speed Dual channels Analogue to Digital data collections and Digital to Analogue data generation. The single width Module has two AD6645 from Analog Device Inc. and these are 14-bit ADC converters with a 105MSPS sampling rate. All necessary functions, including track-and-hold (T/H) and reference are included on the chip to provide a complete conversion solution. The ADC-DAC370 also has a AD9777 TxDAC for generating up to 300MSPS analogue signals. They are interfaced to a Xilinx Virtex-2 FPGA that controls the converters and also provide the data-route of the converted analogue signals.

The data are routed to four 16-bit 200MB/sec Digital Buses, using two 400MB/sec Digital Bus connectors and the control of the ADCs are done with the help of a Comm-Port (the 8-bit data parallel inter-processor ports of the 'C4x processor).

Key Features:

	Two 14-bit ADCs (AD6645) sampling up to 105 MHz.
	Dual 16-bit TxDAC (AD9777) sampling up to 400 MHz (interpolation).
	Single width module.
	Two 400MB/sec Digital Bus connectors.
	Two 20 MBytes/s communication ports.
	Low-jitter system clock.
	Xilinx Virtex-II FPGA (XC2V1000-6).
	50-Ohm analogue inputs and outputs, external triggers and clocks via MMBX (Huber and Suhner) connectors.
	User defined pins for external connections.
	Compatible with a wide range of '400MB/sec Digital Bus' modules.
	TIM standard compatible.

Benefits

	Ideal for flexible system architectures and specifications IF Radar Sampling, Base-band Radar Sampling, Spectrum Analyzers, Digital Radio Receivers, Multi-channel Receivers and Cellular/PCS base stations.
	The XC2V1000 Xilinx FPGA has 1 million gates and we use approx. half a million for controlling the converters and rest can be used by the OEM customer for doing pre-processing on the data or for other custom controls.

Layout for the ADC-DAC370 (PDF):

CLICK for Block Diagram (PDF):

User Manual (PDF)

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