4-bit SFQ Multiplier is VLSI Project which is based on Booth Encoder. This is mainly for obtaining the partial products Booth encoding method is used. Cell-based techniques and tools are used in developing a 2-bit Booth encoder with Passive Transmission Lines (PTLs) and Josephson Transmission Lines (JTLs). This project idea contains description of this project and additional details of this project. We also recommend students read complete article before selecting your final year project.
The number of obtained partial products will be decreased up to exactly half by using this method, which is better than the AND array method. A new test chip for the multiplier is created by using a 2-bit Booth encoder with JTLs and PTLs. Initially, the processing frequency of this circuit is 20 GHz with the bias margin ±25% and later due to increase in design voltage it will reaches up to 45 GHZ. We can compare the circuit area of multiplier which is designed with AND array method and circuit area which is designed with Booth encoder method. Booth encoder method is easy to use and better than AND array method, because less no. of partial products is obtained in this method.
Model Sim XE III 6.4b is used for Simulation.
Xilinx ISE 10.1 is used for Synthesis.
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