Title :
Options for arbitrary resamplers in FPGA-based modulators
Author :
Dick, Chris ; Harris, Fred
Author_Institution :
Signal Process. Div., Xilinx Inc., San Jose, CA, USA
Abstract :
An arbitrary resampler performs interpolation of a sampled data signal, computing sample values of an underlying analog signal located on one set of periodically spaced sample locations from data samples located on another set of periodically spaced sample locations. This paper describes the interpolator and control mechanism that maintains the proper interpolation ratio through the range of frequency tolerance and slow drift of the input and output sampling clocks. Resource utilization for an FPGA implementation is summarized.
Keywords :
field programmable gate arrays; filtering theory; interpolation; signal sampling; software radio; FPGA; arbitrary resampler; control mechanism; interpolation; modulator; sampling clock; signal processing; Cable TV; Clocks; Educational institutions; Field programmable gate arrays; Frequency conversion; Interpolation; Nearest neighbor searches; Oscillators; Signal processing; Timing jitter;
Conference_Titel :
Signals, Systems and Computers, 2004. Conference Record of the Thirty-Eighth Asilomar Conference on
Print_ISBN :
0-7803-8622-1
DOI :
10.1109/ACSSC.2004.1399241
