A 2<sup>nd</sup>-order Bandpass Filter With 1.6-dB Insertion Loss and 47-dB Upper-Stopband Suppression in 45-nm SOI CMOS Technology

Publisher:
Institute of Electrical and Electronics Engineers (IEEE)
Publication Type:
Journal Article
Citation:
IEEE Electron Device Letters, 2024, 45, (10), pp. 1-1
Issue Date:
2024-01-01
Full metadata record
In this letter, a design methodology is presented to generate an upper-stopband transmission zero (TZ) for a bandpass filter (BPF) for improving the selectivity and the stopband suppression performance. Using this method, the TZ can be generated in a very flexible way. As proof of concept, a 30-GHz 2nd-order bandpass filter (BPF) is fabricated in 45-nm SOI CMOS technology. The measured insertion loss is less than 1.6 dB, and the upper-stopband suppression is greater than 45 dB. Besides, the footprint, excluding the pads, is only 0.046 mm2.
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