When a two port network, typically a microwave amplifier,is terminated in load and source impedances the input and output reflection coefficients are modified. The output reflection coefficient, TOUT is calculated using s parameters, the input termination, ZS and the output termination ZL. In addition the characteristic impedance of the microstrip or transmisson lines is also required.. Signal Processing Group Inc., has developed simple calculators to do this. A calculator for TIN and TOUT are both available on our website and may be accessed from the complementary items menu.

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