A design technique for concurrent multiband tunable loads from 0.4–6GHz with independent Q tuning

Chris Gamlath; Eyad Arabi; Kevin A. Morris

doi:10.1109/APMC.2017.8251615

A design technique for concurrent multiband tunable loads from 0.4–6GHz with independent Q tuning

Chris Gamlath, Eyad Arabi, Kevin A. Morris

Research output: Chapter in Book/Report/Conference proceeding › Conference Contribution (Conference Proceeding)

1 Citation (Scopus)

371 Downloads (Pure)

Abstract

This paper presents a preliminary attempt at designing a concurrent multiband tunable load. Each band is independently tunable and the centre frequency of each band can be placed anywhere from 400MHz to 6GHz. This is done through the use of high frequency impedance inverters which enable each band to be tuned independently. The design has been implemented in a low cost 0.25µm BiCMOS process using 1µm HBTs operating at 1.2mA from a +/-2.2V supply. The circuit is targeted at 5G wideband applications requiring narrow band filtering where the bandwidth also needs some degree of tunability. The results show that high Q factors of over 100 can be achieved and that the individual bands show independent tunability. Although the circuit is demonstrated for three bands it is easily extendible to a higher number of bands.

Original language	English
Title of host publication	2017 IEEE Asia Pacific Microwave Conference (APMC 2017)
Subtitle of host publication	Proceedings of a meeting held 13-16 November 2017, Kuala Lumpur, Malaysia.
Publisher	Institute of Electrical and Electronics Engineers (IEEE)
Pages	980-983
Number of pages	4
ISBN (Electronic)	9781538606407
ISBN (Print)	9781538606414
DOIs	https://doi.org/10.1109/APMC.2017.8251615
Publication status	Published - Feb 2018
Event	2017 IEEE Asia Pacific Microwave Conference (APMC) - Kuala Lumpar Duration: 13 Nov 2017 → 16 Nov 2017

Conference

Conference	2017 IEEE Asia Pacific Microwave Conference (APMC)
Period	13/11/17 → 16/11/17

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10.1109/APMC.2017.8251615

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Gamlath, C., Arabi, E., & Morris, K. A. (2018). A design technique for concurrent multiband tunable loads from 0.4–6GHz with independent Q tuning. In 2017 IEEE Asia Pacific Microwave Conference (APMC 2017): Proceedings of a meeting held 13-16 November 2017, Kuala Lumpur, Malaysia. (pp. 980-983). Institute of Electrical and Electronics Engineers (IEEE). https://doi.org/10.1109/APMC.2017.8251615

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title = "A design technique for concurrent multiband tunable loads from 0.4–6GHz with independent Q tuning",

abstract = "This paper presents a preliminary attempt at designing a concurrent multiband tunable load. Each band is independently tunable and the centre frequency of each band can be placed anywhere from 400MHz to 6GHz. This is done through the use of high frequency impedance inverters which enable each band to be tuned independently. The design has been implemented in a low cost 0.25µm BiCMOS process using 1µm HBTs operating at 1.2mA from a +/-2.2V supply. The circuit is targeted at 5G wideband applications requiring narrow band filtering where the bandwidth also needs some degree of tunability. The results show that high Q factors of over 100 can be achieved and that the individual bands show independent tunability. Although the circuit is demonstrated for three bands it is easily extendible to a higher number of bands.",

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Gamlath, C, Arabi, E & Morris, KA 2018, A design technique for concurrent multiband tunable loads from 0.4–6GHz with independent Q tuning. in 2017 IEEE Asia Pacific Microwave Conference (APMC 2017): Proceedings of a meeting held 13-16 November 2017, Kuala Lumpur, Malaysia.. Institute of Electrical and Electronics Engineers (IEEE), pp. 980-983, 2017 IEEE Asia Pacific Microwave Conference (APMC), 13/11/17. https://doi.org/10.1109/APMC.2017.8251615

A design technique for concurrent multiband tunable loads from 0.4–6GHz with independent Q tuning. / Gamlath, Chris; Arabi, Eyad; Morris, Kevin A.
2017 IEEE Asia Pacific Microwave Conference (APMC 2017): Proceedings of a meeting held 13-16 November 2017, Kuala Lumpur, Malaysia.. Institute of Electrical and Electronics Engineers (IEEE), 2018. p. 980-983.

Research output: Chapter in Book/Report/Conference proceeding › Conference Contribution (Conference Proceeding)

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N2 - This paper presents a preliminary attempt at designing a concurrent multiband tunable load. Each band is independently tunable and the centre frequency of each band can be placed anywhere from 400MHz to 6GHz. This is done through the use of high frequency impedance inverters which enable each band to be tuned independently. The design has been implemented in a low cost 0.25µm BiCMOS process using 1µm HBTs operating at 1.2mA from a +/-2.2V supply. The circuit is targeted at 5G wideband applications requiring narrow band filtering where the bandwidth also needs some degree of tunability. The results show that high Q factors of over 100 can be achieved and that the individual bands show independent tunability. Although the circuit is demonstrated for three bands it is easily extendible to a higher number of bands.

AB - This paper presents a preliminary attempt at designing a concurrent multiband tunable load. Each band is independently tunable and the centre frequency of each band can be placed anywhere from 400MHz to 6GHz. This is done through the use of high frequency impedance inverters which enable each band to be tuned independently. The design has been implemented in a low cost 0.25µm BiCMOS process using 1µm HBTs operating at 1.2mA from a +/-2.2V supply. The circuit is targeted at 5G wideband applications requiring narrow band filtering where the bandwidth also needs some degree of tunability. The results show that high Q factors of over 100 can be achieved and that the individual bands show independent tunability. Although the circuit is demonstrated for three bands it is easily extendible to a higher number of bands.

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Gamlath C, Arabi E, Morris KA. A design technique for concurrent multiband tunable loads from 0.4–6GHz with independent Q tuning. In 2017 IEEE Asia Pacific Microwave Conference (APMC 2017): Proceedings of a meeting held 13-16 November 2017, Kuala Lumpur, Malaysia.. Institute of Electrical and Electronics Engineers (IEEE). 2018. p. 980-983 Epub 2018 Jan 11. doi: 10.1109/APMC.2017.8251615

A design technique for concurrent multiband tunable loads from 0.4–6GHz with independent Q tuning

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