Calculations of signal length mismatch and trace length for printed circuit board [PCB] design

In-house technology for digital beam position measurement is being developed for Indus-2 Synchrotron radiation source. FPGA based digital processing electronics is being designed to acquire the signal from 4-electrode BPM device using 4-channel ADC. These ADC will be calibrated by the spectrum analysis of the input signal. In this paper, High Speed Printed Circuit Board [PCB] will be designed using Spartan 6 FPGA module. The paper consists of ADC Expansion Module, Gigabit Ethernet Expansion Module, and HDMI Transmitter Expansion Module. These expansion modules are interface to FPGA. Two parameters calculations, length mismatch and trace length are important for PCB Design. After PCB Design, code simulation and analysis will be done by Xilinx Software.