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A 52-to-67 GHz Dual-Core Push-Push VCO in 40-nm CMOS

Title data

Issakov, Vadim ; Rimmelspacher, Johannes ; Trotta, Saverio ; Tiebout, Marc ; Hagelauer, Amelie ; Weigel, Robert:
A 52-to-67 GHz Dual-Core Push-Push VCO in 40-nm CMOS.
In: 47th European Microwave Conference. - Nürnberg, Germany , 2017 . - pp. 755-758
ISBN 9782874870477
DOI: https://doi.org/10.23919/EuMC.2017.8230957

Abstract in another language

We present a continuously tunable 52-to-67 GHz push-push dual-core voltage-controlled oscillator (VCO) in a 40 nm bulk CMOS technology. The circuit is suitable for 60 GHz FMCW radar applications requiring a continuously tunable ultra-wide modulation bandwidth. The LC-tank inductor is used to couple the two VCO cores. The fundamental frequency of the VCO can be tuned from 26 GHz to 33,5 GHz, which corresponds to a frequency tuning range (FTR) of 25. The second harmonic is extracted in a non-invasive way using a transformer. The primary side acts simultaneously as a second harmonic filter. The VCO achieves in measurement a low phase noise of 91,8 dBc=Hz at 1 MHz offset at 62 GHz and an output power of 20 dBm. The VCO including buffers dissipates in the dual-core operation mode 60 mA from a single 1,1 V supply and consumes a chip area of 0,58 mm2.</p>

Further data

Item Type: Article in a book
Refereed: Yes
Keywords: millimeter-wave; ultra-wideband; CMOS technology
Institutions of the University: Faculties > Faculty of Engineering Science > >
Result of work at the UBT: No
DDC Subjects: 600 Technology, medicine, applied sciences > 620 Engineering
Date Deposited: 18 Oct 2019 07:30
Last Modified: 18 Oct 2019 07:30
URI: https://eref.uni-bayreuth.de/id/eprint/52527