Design of a compact and low-loss bulk acoustic wave filter for the BeiDou B1C band

Key Points

• The filter demonstrates low-loss characteristics, optimizing performance in the BeiDou B1C band.
• Measured loss in the developed filter is 0.5 dB, meeting the design criteria for effective communication.
• The analysis employs acoustic propagation models, ensuring the compact design functions efficiently.
• This innovative filter design may enable improved communication reliability in BeiDou satellite systems.