高性能低成本可调带通滤波器的设计

高性能低成本可调带通滤波器的设计高性能低成本可调带通滤波器的设计

Design and Optimization of Low Cost Tunable VHF PBF
Stefano Biagiotti, Giancarlo Guida, Alain Michel Ansoft Corp.

Overview


Short description of previous generation filter designs


Electrical performances, technology, highlights - lowlights New performances, cost reduction, reproducibility Filter synthesis




Filter enhancement




Implementation


Tuning range verification Sensitivity analysis NL analysis Statistical analysis EM analysis HFSS + DESIGNER



Completion of the circuit




Benefits Conclusions

Old Filter: Physical Implementation
Filter to redesign Resistive TRIMMERS Capacitive TRIMMERS PCB with 16 diodes mounted by hand

Handmade coil (Ag. 2mm)

Old Filter: Electrical Performance (for Each Stage)


Frequency range Bandwidth Insertion Loss