Fig. 1. BRBP neural network structure

Fig. 2. Overall circuit diagram of reconfigurable power amplifier

Fig. 3. Relationship between return loss S₁₁ and capacitance C

Fig. 4. Relationship among power added efficiency P_AE, output power P, and capacitance C

Fig. 5. Process of IACO-BRBP neural network reverse modeling for reconfigurable power amplifier

Fig. 6. Fitting contrast diagram of capacitance values C

Fig. 7. Fitting contrast diagram of output power P

Fig. 8. Comparison of output values C of three reverse models and actual values C required by ADS