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A beyond 60GHz cross-coupled fundamental VCO in 45nm CMOS

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4 Author(s)
Katz, A. ; Wireless Div., Intel, Israel ; Degani, O. ; Shacham-Diamand, Y. ; Socher, E.

A beyond 60 GHz cross-coupled NMOS differential LC CMOS VCO is presented in this paper, which is implemented in 45 nm standard CMOS technology. Working with a supply voltage of 1.2 V the circuit draws a current of 38 mA (72 mA including output buffer) and requires a circuit area of 0.037 mm2 including the differential output buffer without pads. The circuit delivers an output power of -9 dBm to -11 dBm and yields a measured phase noise of -100.02 dBc/Hz at 10 MHz offset. The VCO offers a frequency tuning range of 0.2 GHz, while statistical process variation is manifested in a 4.5 GHz VCO central frequency drift for different measured samples (from 68 GHz to 72.5 GHz).

Published in:

Microwaves, Communications, Antennas and Electronics Systems, 2009. COMCAS 2009. IEEE International Conference on

Date of Conference:

9-11 Nov. 2009

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