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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Veenstra, H. Hurkx, G.A.M. Heijden, Evd. Vaucher, C.S. Apostolidou, M. Jeurissen, D. Deixler, P. |
| Copyright Year | 2005 |
| Description | Author affiliation: Philips Res. Labs., Eindhoven, Netherlands (Veenstra, H.; Hurkx, G.A.M.; Heijden, Evd.; Vaucher, C.S.; Apostolidou, M.; Jeurissen, D.) |
| Abstract | This paper reviews the relevance of the widely used device metrics f/sub T/, f/sub max/ as well as the introduced device metrics f/sub A/ and f/sub cross/ for broadband circuit design. Usually, IC processes are benchmarked on the basis of their f/sub T/ and f/sub max/. For most circuit applications however, there is only an indirect relation between f/sub T/, f/sub max/ and circuit bandwidths. Since the differential pair amplifier is a key building block in broadband circuits, the metric f/sub A/ provides a nearly direct relation to broadband circuit performance. This is demonstrated via the maximum operating frequency of a current-mode logic frequency divider, processed in 3 generations of a BiCMOS process. Metric f/sub cross/ is valuable for the design of circuits employing a cross-coupled differential pair as active negative resistance, such as in LC-VCOs. The metrics can be expressed in terms of transistor parameters (e.g., R/sub b/, C/sub bc/, ...), allowing to derive a link between circuit performance and technology. Based on our experience, we evaluate IC processes on the basis of f/sub T/, f/sub A/ and f/sub cross/ rather than f/sub T/ and f/sub max/. |
| Starting Page | 4 |
| Ending Page | 1474 |
| File Size | 297829 |
| Page Count | 1471 |
| File Format | |
| ISBN | 2960055128 |
| DOI | 10.1109/EUMC.2005.1610228 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2005-10-04 |
| Publisher Place | France |
| Access Restriction | Subscribed |
| Rights Holder | EUROPEAN MICROWAVE ASSOCIATION |
| Subject Keyword | Joining processes Bandwidth Circuit optimization Circuit synthesis Frequency conversion BiCMOS integrated circuits Laboratories Broadband amplifiers Differential amplifiers Logic |
| Content Type | Text |
| Resource Type | Article |
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