Direct-coupled microwave filters with single and dual stopbands
✍ Scribed by Cameron, R.J.; Ming Yu; Ying Wang
- Book ID
- 111985583
- Publisher
- IEEE
- Year
- 2005
- Tongue
- English
- Weight
- 707 KB
- Volume
- 53
- Category
- Article
- ISSN
- 0018-9480
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📜 SIMILAR VOLUMES
## Abstract This article presents the design of a compact fourth‐order cross‐coupled dual‐band bandpass filter (BPF) having a wide upper‐end stopband. Quarter‐wavelength (__λ__/4) stepped‐impedance resonators (SIRs) were employed to construct the BPF to have a relatively small circuit size and high
## Abstract A novel microstrip dual‐band bandpass filter (BPF) using spur‐line‐loaded stepped‐impedance resonator (SIR) is proposed in this letter.Anti‐parallel coupled microstrip line is used to realize the dual‐band coupling and produce a transmission zero within two passbands. High isolation bet
## Abstract A novel compact microstrip dual‐band bandpass filter (BPF) is developed with remarkably improved stopband characteristics. Two‐square open‐loop resonators are embedded in a U‐shaped resonator to achieve a significant size reduction of the filter. Meanwhile, a cross‐coupling between nona
## Abstract In this article, a dual‐band bandpass filter is designed by using microstrip stub‐loaded two‐mode resonators. Because the resonant frequencies of the odd‐mode and even‐mode of the stub‐loaded resonator can be varied individually, the midband frequencies of the dual‐bands of filter can b