Low noise amplifier is the front end block of radio-frequency receiver system. Its design required various characteristics such as power gain, noise figure, insertion losses and power consumption. In this paper we have proposed a single stage low noise amplifier design with high gain and low noise using inductive source degeneration topology for frequency range of 3 GHz to 7 GHz and also use the active biasing devices. A range of devices like inductors and capacitors are used to achieve 50 Ω input impedance with a low noise factor. The design process is simulated process is using Advance Design System (ADS) and implemented in TSMC 0.18 µm CMOS technology. A single stage low noise amplifier has a measured forward gain 25.4 dB and noise figure 2.2 dB at frequency 5.0 GHz.
This research paper carries out analyses to suggest a scientific model for machining of BSL 168-Aluminium composites by optimization of input parameters of CNC high-speed milling using Box Behnken based response surface method. A design of experiment (DOE) based Box Behnken array of experiments for 4 factors with 3 variations of 34 variations is developed and tested to find the responses. The received responses are developed into a mathematical model. The significance of the individual parameter is ascertained using desirability functions and confirmatory runs. The derived optimized set minimizes the surface roughness to a value of less than 2 microns and with 37% extra material removal rate and best in class geometrical quality.
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