Figure 1 | Scientific Reports

Figure 1

From: Rapid yield optimization of miniaturized microwave passives by response features and variable-fidelity EM simulations

Figure 1

Conceptual illustration of response features for a microwave coupler: S-parameters and feature points representing − 20 dB level of |S11| (matching) and |S41| (isolation) responses (o), along with |S21| and |S31| (transmission) at the intended operating frequency f0 = 1.5 GHz (verbal description: square). The characteristic point coordinates permit assessment of performance requirements satisfaction (100 MHz matching/isolation bandwidth centered around f0), and maximal power split deviation of 0.5 dB at f0): (a) coupler geometry, (b) design fulfilling specs, (c) design infringing power split and bandwidth conditions.

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