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Content Provider | IEEE Xplore Digital Library |
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Author | Gang Bu Tavakoli, A.R. Entesari, K. |
Copyright Year | 2008 |
Description | Author affiliation: Electr. & Comput. Eng. Dept., Texas A&M Univ., College Station, TX (Gang Bu; Tavakoli, A.R.; Entesari, K.) |
Abstract | A 24 GHz LO signal is generated indirectly by proposing a 12 GHz VCO followed by an active mixer which acts as a frequency doubler. This technique improves the tunability and reduces the power consumption of the VCO/Active doubler compared to a stand-alone VCO at 24 GHz considerably while providing the same amount of phase noise. The circuit is implemented in 0.18 mum CMOS technology. The resulted indirect VCO has 20% tuning range, 15 mW power consumption, -8.5 dBm output power and a phase noise around -100 dBc/Hz @ 1 MHz offset for a 23.5 GHz carrier. This VCO is suitable for use in low power 24 GHz PLLs and also direct conversion receiver applications. |
Starting Page | 71 |
Ending Page | 74 |
File Size | 217950 |
Page Count | 4 |
File Format | |
ISBN | 9782874870071 |
DOI | 10.1109/EMICC.2008.4772231 |
Language | English |
Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
Publisher Date | 2008-10-27 |
Publisher Place | Netherlands |
Access Restriction | Subscribed |
Rights Holder | European Microwave Assoc. |
Subject Keyword | Phase noise Frequency synthesizers Energy consumption Circuit optimization Voltage-controlled oscillators Q factor Millimeter wave technology CMOS technology Power generation Automotive engineering |
Content Type | Text |
Resource Type | Article |
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