patriot
Member level 5
A Ka－band LNA(about 40GHz) is in a package of a metal box made of Cu,
I have learnt from a book that the width of the inside box should be less than λ/2 ，or it will lead to waveguide propagation and result in oscillation。So the width is limited within 7.5mm,which seems too narrow for other bias circuits ' location
Can anyone give me some notes?
I have learnt from a book that the width of the inside box should be less than λ/2 ，or it will lead to waveguide propagation and result in oscillation。So the width is limited within 7.5mm,which seems too narrow for other bias circuits ' location
Can anyone give me some notes?