A Concurrent Dual-Band High-efficiency Integrated Filtering Power Amplifier Coordinated with an Adjustable Transmission Zero.
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| Title: | A Concurrent Dual-Band High-efficiency Integrated Filtering Power Amplifier Coordinated with an Adjustable Transmission Zero. |
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| Authors: | Tang, Qihu1, Nan, Jingchang1 nanjingchang@Intu.edu.cn, Liu, Taijun2, Meng, Hao1, Pan, Junru1 |
| Source: | Progress in Electromagnetics Research C. 2026, Vol. 170, p210-219. 10p. |
| Subjects: | Transmission zeros, Power amplifiers, Signal filtering, Impedance matching, Harmonic suppression filters, Radio engineering, Interference suppression |
| Abstract: | This paper presents a design methodology for a concurrent dual-band integrated filtering high-efficiency power amplifier (PA) through the coordinated use of a dual-band harmonic control network (DB-HCN) realized with an adjustable-transmission-zero dualband filtering matching network (ATZ-DB-FMN). To improve the efficiency under dual-band operation, the proposed DB-HCN enables simultaneous impedance control up to the third harmonic at both operating frequencies. To realize a compact integrated structure, the proposed ATZ-DB-FMN provides dual-band impedance matching and introduces transmission zeros (TZs) on both sides of the passbands and in the inter-band region. In particular, the inter-band TZ is adjustable and can be used to suppress interference at a desired frequency between the two passbands. To validate the proposed method, a prototype operating at 2.4 and 3.6 GHz was designed and fabricated, with the adjustable TZ set at 3.1 GHz. The measured results show drain efficiencies of 78.6% and 75.3% and output powers of 40.05 dBm and 40.2 dBm at 2.4 and 3.6 GHz, respectively. The effective tuning range of the TZ is 2.6-3.4 GHz, and the measured power gain at 3.1 GHz is -26.5 dB, confirming effective inter-band suppression. These results demonstrate that the proposed design method can simultaneously achieve dual-band high efficiency, integrated filtering, and adjustable inter-band suppression. [ABSTRACT FROM AUTHOR] |
| Copyright of Progress in Electromagnetics Research C is the property of Electromagnetics Academy and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.) | |
| Database: | Engineering Source |
| FullText | Links: – Type: pdflink Text: Availability: 0 |
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| Header | DbId: egs DbLabel: Engineering Source An: 194481672 AccessLevel: 6 PubType: Academic Journal PubTypeId: academicJournal PreciseRelevancyScore: 0 |
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| Items | – Name: Title Label: Title Group: Ti Data: A Concurrent Dual-Band High-efficiency Integrated Filtering Power Amplifier Coordinated with an Adjustable Transmission Zero. – Name: Author Label: Authors Group: Au Data: <searchLink fieldCode="AR" term="%22Tang%2C+Qihu%22">Tang, Qihu</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Nan%2C+Jingchang%22">Nan, Jingchang</searchLink><relatesTo>1</relatesTo><i> nanjingchang@Intu.edu.cn</i><br /><searchLink fieldCode="AR" term="%22Liu%2C+Taijun%22">Liu, Taijun</searchLink><relatesTo>2</relatesTo><br /><searchLink fieldCode="AR" term="%22Meng%2C+Hao%22">Meng, Hao</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Pan%2C+Junru%22">Pan, Junru</searchLink><relatesTo>1</relatesTo> – Name: TitleSource Label: Source Group: Src Data: <searchLink fieldCode="JN" term="%22Progress+in+Electromagnetics+Research+C%22">Progress in Electromagnetics Research C</searchLink>. 2026, Vol. 170, p210-219. 10p. – Name: Subject Label: Subjects Group: Su Data: <searchLink fieldCode="DE" term="%22Transmission+zeros%22">Transmission zeros</searchLink><br /><searchLink fieldCode="DE" term="%22Power+amplifiers%22">Power amplifiers</searchLink><br /><searchLink fieldCode="DE" term="%22Signal+filtering%22">Signal filtering</searchLink><br /><searchLink fieldCode="DE" term="%22Impedance+matching%22">Impedance matching</searchLink><br /><searchLink fieldCode="DE" term="%22Harmonic+suppression+filters%22">Harmonic suppression filters</searchLink><br /><searchLink fieldCode="DE" term="%22Radio+engineering%22">Radio engineering</searchLink><br /><searchLink fieldCode="DE" term="%22Interference+suppression%22">Interference suppression</searchLink> – Name: Abstract Label: Abstract Group: Ab Data: This paper presents a design methodology for a concurrent dual-band integrated filtering high-efficiency power amplifier (PA) through the coordinated use of a dual-band harmonic control network (DB-HCN) realized with an adjustable-transmission-zero dualband filtering matching network (ATZ-DB-FMN). To improve the efficiency under dual-band operation, the proposed DB-HCN enables simultaneous impedance control up to the third harmonic at both operating frequencies. To realize a compact integrated structure, the proposed ATZ-DB-FMN provides dual-band impedance matching and introduces transmission zeros (TZs) on both sides of the passbands and in the inter-band region. In particular, the inter-band TZ is adjustable and can be used to suppress interference at a desired frequency between the two passbands. To validate the proposed method, a prototype operating at 2.4 and 3.6 GHz was designed and fabricated, with the adjustable TZ set at 3.1 GHz. The measured results show drain efficiencies of 78.6% and 75.3% and output powers of 40.05 dBm and 40.2 dBm at 2.4 and 3.6 GHz, respectively. The effective tuning range of the TZ is 2.6-3.4 GHz, and the measured power gain at 3.1 GHz is -26.5 dB, confirming effective inter-band suppression. These results demonstrate that the proposed design method can simultaneously achieve dual-band high efficiency, integrated filtering, and adjustable inter-band suppression. [ABSTRACT FROM AUTHOR] – Name: AbstractSuppliedCopyright Label: Group: Ab Data: <i>Copyright of Progress in Electromagnetics Research C is the property of Electromagnetics Academy and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.) |
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| RecordInfo | BibRecord: BibEntity: Identifiers: – Type: doi Value: 10.2528/PIERC26033106 Languages: – Code: eng Text: English PhysicalDescription: Pagination: PageCount: 10 StartPage: 210 Subjects: – SubjectFull: Transmission zeros Type: general – SubjectFull: Power amplifiers Type: general – SubjectFull: Signal filtering Type: general – SubjectFull: Impedance matching Type: general – SubjectFull: Harmonic suppression filters Type: general – SubjectFull: Radio engineering Type: general – SubjectFull: Interference suppression Type: general Titles: – TitleFull: A Concurrent Dual-Band High-efficiency Integrated Filtering Power Amplifier Coordinated with an Adjustable Transmission Zero. Type: main BibRelationships: HasContributorRelationships: – PersonEntity: Name: NameFull: Tang, Qihu – PersonEntity: Name: NameFull: Nan, Jingchang – PersonEntity: Name: NameFull: Liu, Taijun – PersonEntity: Name: NameFull: Meng, Hao – PersonEntity: Name: NameFull: Pan, Junru IsPartOfRelationships: – BibEntity: Dates: – D: 01 M: 08 Text: 2026 Type: published Y: 2026 Identifiers: – Type: issn-print Value: 19378718 Numbering: – Type: volume Value: 170 Titles: – TitleFull: Progress in Electromagnetics Research C Type: main |
| ResultId | 1 |
