In this video, I demonstrate the complete design and simulation of a 5-Pole Interdigital Bandpass Filter using ADS (Advanced Design System).
This tutorial covers:
• Interdigital filter topology
• 5-pole filter synthesis concept
• Microstrip implementation in ADS
• Coupling mechanism between resonators
• Substrate considerations
• S-Parameter analysis (S11 & S21)
• Insertion loss and return loss evaluation
• Passband and filter skirt behavior
Interdigital bandpass filters are widely used in:
RF front-end modules
Wireless communication systems
Radar and satellite applications
Microwave transceiver architectures
This video bridges theoretical microwave filter design with practical ADS implementation, helping you understand how resonator coupling controls bandwidth and selectivity.
If you are learning Microwave Engineering, RF Design, or working with ADS, this tutorial will strengthen your filter design fundamentals.
Software Used: Keysight ADS
Focus: 5-Pole Interdigital BPF | S-Parameters | Coupling & Bandwidth
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