Design of Miniaturized 90-Degree Hybrid Coupler with Wide Rejection Band Using Neural Network
Golshan Mohamadpour,
Salman Karimi,
Saeed Roshani
Abstract:In this paper, a 3 dB 90-degree hybrid coupler with size reduction and harmonics rejection was designed. In the proposed coupler structure, four simple low-pass filters (LPFs) were applied. An artificial neural network (ANN) was used to determine the dimensions of the applied LPFs based on EM simulation data. The applied ANN model could also provide the desired LPF parameters, including the cut-off frequency (fc), bandwidth (BW), and insertion loss (IL). Designing an applied LPF involves complex mathematical c… Show more
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