A 60GHz VCO with 25.8% tuning range by switching return-path in 65nm CMOS
This paper presents a novel inductive tuning method for 60GHz voltage controlled oscillator (VCO) design. A new inductor-loaded transformer is proposed by configuring different current return-paths in the secondary coil of a transformer. Different from published inductive tuning methods, the propose...
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| Main Authors: | , , , |
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| Other Authors: | |
| Format: | Conference or Workshop Item |
| Language: | English |
| Published: |
2013
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| Subjects: | |
| Online Access: | https://hdl.handle.net/10356/101171 http://hdl.handle.net/10220/18292 |
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| Institution: | Nanyang Technological University |
| Language: | English |
| Summary: | This paper presents a novel inductive tuning method for 60GHz voltage controlled oscillator (VCO) design. A new inductor-loaded transformer is proposed by configuring different current return-paths in the secondary coil of a transformer. Different from published inductive tuning methods, the proposed topology can achieve a multi-band, wide tuning range within compact area using only one transformer. A 60GHz VCO is implemented at 65nm CMOS process for demonstration. The obtained oscillation frequency can vary from 51.9GHz to 67.3GHz, which covers the full 60GHz band and provides a wide frequency tuning range of 25.8%. |
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