Tech Papers
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hm
I would like to see FPGA vendor like Altera and ECAD vendor like Altium, Mentor ...
zeeglen
This would have been more informative if impedance calculation formulas had been ...
This white paper explains the basic PCB layout guidelines for designing low-voltage differential signaling (LVDS) boards using Altera FPGAs. LVDS is a high-speed, low-voltage, low-power, and low-noise general-purpose I/O interface standard. The low-voltage swing and differential current mode outputs significantly reduce EMI. These outputs have fast edge rates that cause signal paths to act as transmission lines. Therefore, ultra-high-speed board design and differential signal theory knowledge is especially useful for designing a board containing Altera FPGAs that integrate LVDS. In addition, a number of factors, such as differential traces, impedance matching, crosstalk, and EMI, have to be considered while designing an LVDS board.
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zeeglen
11/9/2011 4:03 PM EST
This would have been more informative if impedance calculation formulas had been included and if broadside coupled had been discussed.
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hm
11/9/2011 7:16 PM EST
I would like to see FPGA vendor like Altera and ECAD vendor like Altium, Mentor work together and provide both technical information and practical implementation with exapmle like Altera demo cards. I would like to see both pre-layout and post-layout simulation.
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