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dc.contributor.authorLo, Tien-Yuen_US
dc.contributor.authorHung, Chung-Chihen_US
dc.date.accessioned2014-12-08T15:14:20Z-
dc.date.available2014-12-08T15:14:20Z-
dc.date.issued2007-04-01en_US
dc.identifier.issn1549-8328en_US
dc.identifier.urihttp://dx.doi.org/10.1109/TCSI.2007.890614en_US
dc.identifier.urihttp://hdl.handle.net/11536/10948-
dc.description.abstractA CMOS operational transconductance amplifier (OTA) for low-power and wide tuning range filter application is proposed in this paper. The OTA can work from the weak inversion region to the strong inversion region to maximize the transconductance tuning range. The transconductance can be tuned by changing its bias current. A fifth-order Elliptic low-pass filter implemented with the OTAs was integrated by TSMC 0.18-mu m CMOS process. The filter can operate with the cutoff frequency of 250 Hz to 1 MHz. The wide tuning range filter would be suitable for multi-mode applications, especially under the consideration of saving chip areas. The third-order inter-modulation (IM3) of -40 dB was measured over the tuning range with two tone input signals. The power consumption is 0.8 mW at 1-MHz cutoff frequency and 1.8-V supply voltage with the active area less than 0.3 mm(2).en_US
dc.language.isoen_USen_US
dc.subjectG(m)-C filtersen_US
dc.subjectlow poweren_US
dc.subjectoperational transconductance amplifier (OTA)en_US
dc.subjectstrong inversion regionen_US
dc.subjecttuningen_US
dc.subjectweak inversion regionen_US
dc.titleA wide tuning range G(m)-C continuous-time analog filteren_US
dc.typeArticleen_US
dc.identifier.doi10.1109/TCSI.2007.890614en_US
dc.identifier.journalIEEE TRANSACTIONS ON CIRCUITS AND SYSTEMS I-REGULAR PAPERSen_US
dc.citation.volume54en_US
dc.citation.issue4en_US
dc.citation.spage713en_US
dc.citation.epage722en_US
dc.contributor.department電信工程研究所zh_TW
dc.contributor.departmentInstitute of Communications Engineeringen_US
dc.identifier.wosnumberWOS:000245865200003-
dc.citation.woscount16-
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