Single Mode Filter

End-Coupled Microstrip Bandpass Filter

Figure 1: End-coupled Microstrip Bandpass Filter Layout

Parallel Coupled Line Filter

Figure 2: Parallel Coupled Line Filter using FILPAL EDS

Interdigital Filter and Combline Filter

Figure 3: The Interdigital Filter (left: N-even ; right: N-odd)
Figure 4: Schematic of Combline Filter



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FILPAL designs, and builds RF and Microwave software and hardware for Cellular, Military, Academia and Test & Measurement applications.