Miniaturized 28-GHz Packaged Bandpass Filter With High Selectivity and Wide Stopband Using Multilayer PCB Technology

• Published in: IEEE microwave and wireless components letters Vol. 32; no. 6; pp. 664 - 667
• Main Authors: Rao, Yunbo, Qian, Huizhen Jenny, Zhou, Jie, Dong, Yuandan, Luo, Xun
• Format: Journal Article
• Language: English
• Published: IEEE 01.06.2022
• Subjects: 5G mobile communication; Band-pass filters; bandpass filter (BPF); Couplings; high selectivity; Loss measurement; millimeter-wave (mm-wave); Passband; Topology; wide stopband; Wireless communication

In this letter, a packaged bandpass filter (BPF) with a compact size of <inline-formula> <tex-math notation="LaTeX">1.5 \times 1.5 \times 0.315 </tex-math></inline-formula> mm 3 operating at 28 GHz is proposed. This BPF is implemented based on a multilayers printed...