Miniaturized UWB bandpass filters integrated with notch filters using a Si-based integrated passive device technology

Summary form only given, as follows. Miniaturized UWB filters with low loss, steep rejection, and spurious-free response on a silicon substrate are reported. A UWB filter is demonstrated with less than 1 dB insertion loss, more than 30 dB stop-band rejection, occupying 2.9 mm × 2.4 mm of die area. A UWB filter with a notch filter is presented having a footprint of 4.6 mm × 2.9 mm. The notch filter centered at 5.285 GHz provides a maximum attenuation of 23 dB with 10 dB bandwidth of 7% and shows excellent temperature stability.