ADPLL Design and Implementation on FPGA

This paper presents the ADPLL design using Verilog and its implementation on FPGA. ADPLL is designed using Verilog HDL. Xilinx ISE 10.1 Simulator is used for simulating Verilog Code. This paper gives details of the basic blocks of an ADPLL. In this paper, implementation of ADPLL is described in detail. Its simulation results using Xilinx are also discussed. It also presents the FPGA implementation of ADPLL design on Xilinx vertex5 xc5vlx110t chip and its results. The ADPLL is designed of 200 kHz central frequency. The operational frequency range of ADPLL is 189 Hz to 215 kHz, which is lock range of the design.