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Published on Sep 16, 2019


Now-a-days various Digital Signal Processing systems are implemented on a platform of programmable signal processors or on application specific VLSI chips. Coordinate Rotation Digital Computer (CORDIC) algorithm has turned out to be such kind of programmable signal processor.

In recent times, it has been a widely researched topic in the field of vector rotated Digital Signal Processing (DSP) applications due to its simplicity. This paper presents the design of pipelined architecture for coordinate rotation algorithm for the computation of loop performance of complex Digital Phase Locked Loop (DPLL) in In-phase and quadrature channel receiver.

The design of CORDIC in the vector rotation mode results in high system throughput due to its pipelined architecture where latency is reduced in each of the pipelined stage.

For on-chip application, the area reduction in proposed design can is achieved through optimization in the number of micro rotations. For better loop performance of first order complex DPLL and to minimize quantization error, the numbers of iterations are also optimized




Simulation: ModelSim XE III 6.4b.

Synthesis: XiLinx ISE 10.1.

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