Noise Analysis and Performance Improvement of Microwave Diode Mixers, and Improving the Method of Noise Figure Measurement, Ph.D. Dissertation Sharif University of Technology ; Banai, Ali (Supervisor)
Abstract
In spite of developments in microwave mixers, reducing its noise figure is still a designers’ challenge in receiver applications. Due to generating intermodulations and saturating the following stages, the low noise amplifier cannot have a so much gain to decrease the noise of the following stages in a typical receiver. This problem is intensified in special applications because of low dynamic range of low noise amplifiers. Accordingly, the low noise amplifier is replaced sometimes by the mixer. Therefore, the design of a low noise mixer is an important issue in improving the noise performance of a total receiver.To this end, it is required to accurately analyse the nonlinear and noise...
Cataloging briefNoise Analysis and Performance Improvement of Microwave Diode Mixers, and Improving the Method of Noise Figure Measurement, Ph.D. Dissertation Sharif University of Technology ; Banai, Ali (Supervisor)
Abstract
In spite of developments in microwave mixers, reducing its noise figure is still a designers’ challenge in receiver applications. Due to generating intermodulations and saturating the following stages, the low noise amplifier cannot have a so much gain to decrease the noise of the following stages in a typical receiver. This problem is intensified in special applications because of low dynamic range of low noise amplifiers. Accordingly, the low noise amplifier is replaced sometimes by the mixer. Therefore, the design of a low noise mixer is an important issue in improving the noise performance of a total receiver.To this end, it is required to accurately analyse the nonlinear and noise...
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