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In the book Microwave Engineering,when the author calculate the TM modes of the parallel plate waveguide,the boundary conditions is that ez(x, y)=0 when y=0,d; and in TE modes,Ex=0 when y=0,d; and d/dx = 0; Why?
When I design an OTA,after I compute the W/L of all MOSFETs,but when I simulate the OTA,I found the MOSFETs not working in the Saturati.How to modify the W/L of the MOSFETs in general,could you give me some experence?