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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Yunseo Park Chang-Ho Lee Laskar, J. |
| Copyright Year | 2005 |
| Description | Author affiliation: Georgia Electron. Design Center, Georgia Inst. of Technol., Atlanta, GA, USA (Yunseo Park; Chang-Ho Lee; Laskar, J.) |
| Abstract | We present the design, implementation, and measurement of a new compact low power fractional signal generator based on regenerative division and injection locking for GSM/WCDMA dual-band applications. The design generates 2/3 of the input signal frequency, resulting in DC-offset reduction, phase noise improvement, and a reduced tuning range requirement for a VCO in direct conversion architecture. The fractional signal generator is fully integrated with a compact die size of 905/spl times/1012 /spl mu/m/sup 2/ in a 0.18-/spl mu/m standard CMOS process. It generates local oscillation (LO) frequency from 1.53 GHz to 2.19 GHz with a very low DC power consumption of 10 mW covering the GSM/WCDMA dual-band. The measured noise floor of the generator is -100 dBc/Hz at 10 kHz offset frequency. Design considerations for the operating range and noise floor within the loop bandwidth are discussed in detail. |
| Sponsorship | IEEE Microwave Theory and Techniques Soc. IEEE Electron Devices Soc. IEEE Solid State Circuits Soc |
| Starting Page | 215 |
| Ending Page | 218 |
| File Size | 683787 |
| Page Count | 4 |
| File Format | |
| ISBN | 0780389832 |
| ISSN | 15292517 |
| DOI | 10.1109/RFIC.2005.1489635 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2005-06-12 |
| Publisher Place | USA |
| Access Restriction | Subscribed |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Signal generators GSM Multiaccess communication Dual band Signal design Power measurement Injection-locked oscillators Frequency conversion Phase noise Tuning |
| Content Type | Text |
| Resource Type | Article |
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