really12138
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My circuit is shown in the figure above, and I short-circuited two inductors to ground. The simulation diagram below shows the difference in S21 between the circuit without short circuit (S43) and the circuit with short circuit inductors (S65). Why is the dBS21 reduced at high frequencies? As I understand it, the inductor increases the impedance of the branch to ground, and the energy/signal should flow more to the middle branch, but the dBS21 shown in the simulation is reduced? What is the possible reason?