• HARISH KUMAR P
• DR. PG Kuppusamy

In error-tolerant applications like multimedia and machine learning, approximate computing which relaxes full precision to obtain higher performance or reduced power consumption is frequently used. For a lot of these applications, multiplication is a fundamental operation. The approximate 4-2 compressor used in this investigation is fair and produces both positive and negative sign mistakes in balance. Two 8 x 8 unbiased approximate multipliers (UBAMs), based on the unbiased 4-2 compressor, are created to satisfy different accuracy (or power) needs. According to experimental data, one of the proposed designs gives a 39 percent smaller power-delay product (PDP) and nearly a 46 percent smaller energy-delay product, while the other offers a smaller normalised mean error distance (NMED) than earlier approximate multipliers (EDP). The proposed multipliers perform better than previous approximative designs in image filtering applications because they produce outputs of higher quality while using less energy.

UBAM, PDP, EDP, NMED, VerilogHDL

"Signal aware Approximate Multipliers based on a Novel Unbiased Approximate 4-2 Compressor", International Journal of Emerging Technologies and Innovative Research (www.jetir.org), ISSN:2349-5162, Vol.9, Issue 7, page no.d52-d65, July-2022, Available :http://www.jetir.org/papers/JETIR2207306.pdf

"Signal aware Approximate Multipliers based on a Novel Unbiased Approximate 4-2 Compressor", International Journal of Emerging Technologies and Innovative Research (www.jetir.org | UGC and issn Approved), ISSN:2349-5162, Vol.9, Issue 7, page no. ppd52-d65, July-2022, Available at : http://www.jetir.org/papers/JETIR2207306.pdf