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https://scholarbank.nus.edu.sg/handle/10635/83325
| DC Field | Value | |
|---|---|---|
| dc.title | A 400-MHZ 4TH-order CT bandpass ∑Δ modulator with automatic frequency tuning | |
| dc.contributor.author | Loke, W.F. | |
| dc.contributor.author | Oh, C.F. | |
| dc.contributor.author | Xu, Y.P. | |
| dc.date.accessioned | 2014-10-07T04:39:58Z | |
| dc.date.available | 2014-10-07T04:39:58Z | |
| dc.date.issued | 2005 | |
| dc.identifier.citation | Loke, W.F.,Oh, C.F.,Xu, Y.P. (2005). A 400-MHZ 4TH-order CT bandpass ∑Δ modulator with automatic frequency tuning. Proceedings of the 2005 IEEE International Workshop on VLSI Design and Video Technology, IWVDVT 2005 : 83-86. ScholarBank@NUS Repository. | |
| dc.identifier.isbn | 0780390067 | |
| dc.identifier.uri | http://scholarbank.nus.edu.sg/handle/10635/83325 | |
| dc.description.abstract | This paper presents the design and implementation of a high-speed Continuous-time (CT) bandpass sigma-delta modulator targeted for an Intermediate Frequency (IF) receiver with an IF of 400MHz for GSM/WCDMA application. The loop filters in the modulator is implemented with Gm-C Opamp integrators in biquad configuration. An automatic frequency tuning circuit is employed to reduce the effects of process and temperature variations on the centre frequency. Based on a commercial 0.35-μm SiGe BiCMOS process, the 4 th-order bandpass modulator is able to obtain maximum SNRs of 77dB and 62dB for the signal bands of 200 kHz and 3.84 MHz, respectively, when sampled at 1.6GHZ. © 2005 IEEE. | |
| dc.source | Scopus | |
| dc.type | Conference Paper | |
| dc.contributor.department | ELECTRICAL & COMPUTER ENGINEERING | |
| dc.description.sourcetitle | Proceedings of the 2005 IEEE International Workshop on VLSI Design and Video Technology, IWVDVT 2005 | |
| dc.description.page | 83-86 | |
| dc.identifier.isiut | NOT_IN_WOS | |
| Appears in Collections: | Staff Publications | |
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