FET Amplifier - Imported S-parameters

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Amplifier with FET (imported S-parameters, at 50 Ohms), designed for maximum gain at 4 GHz using single-stub matching sections.

The implemented FET has the following S-parameters: f(GHz) S11 S21 S12 S22 3.0 0.8  /-89° 2.66 /99° 0.03 /56° 0.76 /-41° 4.0 0.72 /-116° 2.6 /76° 0.03 /57° 0.73 /-54° 5.0 0.66 /-142° 2.39 /54° 0.03 /62° 0.72 /-68°

Reference: D. Pozar, Microwave Engineering, 2005, pp. 551-553.   Back to Benchmarking