Noise Figure Calculator for an N-stage cascade amplifier system. Enter in the noise figure and gain of each stage, and the online noise figure calculator will. Hi all I am not able to understand the meaning of input impedance (edge) in this link em: talk - microstrip Patch Antenna calculator what must be its value for. VSWR Calculator, Voltage Standing Wave Ratio, Transmission Line Mismatch, Reflection Coefficient. Press Convert to see the results. Electrical Length Significance in Microstrip. Look for APPCAD or go to Rogers PCB website and look for a free web transmission line calculator. EM Talk Store added - find discount microwave engineering components and devices. The number of stages can range from 2 to 30 stages. HiPER Scientific Calculator HiPER Development Studio. Then, why does the calculator ask for a length?