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Band-pass filter is the basic component in microwave/RF integrated circuit. It plays the extremelyimportant role in communication systems such as wireless, radar and GPS navigation systems. Thisproject develops a passive narrowband band-pass filter which works in X-band spectrum (8GHz-12GHz).The filter is fabricated on a 400 Âµm thickness sapphire substrate with a 0.25Âµm thickness BST thin filmdeposited using a large area pulsed laser deposition system. Compared with traditional microstripfilters, it has miniaturized dimensions and good frequency tunability. The filter is a grounded coplanarwaveguide structure which has 2.4mm by 2.4mm dimension with center frequency at 10GHz, thebandwidth is 0.4GHz, the insertion loss is 1.7dB and the quality factor is 25.
Primary Advisor's Department
Electrical and Computer Engineering
Stander Symposium poster
Zhang, Chenhao, "X-band Miniaturized Coplanar Waveguide Band-pass filter with Coupled Resonator" (2012). Stander Symposium Posters. 188.