A 10GHz wideband VCO with low KVCO variation

Authors:
Tareq A. Al-Maaita;Abdallah H. Tahboub;Khaldoon Abugharbieh
Affiliations:
Electronics Engineering Department, Princess Sumaya University for Technology, Amman, Jordan;Electronics Engineering Department, Princess Sumaya University for Technology, Amman, Jordan;Electronics Engineering Department, Princess Sumaya University for Technology, Amman, Jordan
Venue:
Microelectronics Journal
Year:
2013

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Abstract

This paper presents a novel topology for a 10GHz voltage controlled oscillator (VCO). The design uses a differential delay cell architecture with four stages. It achieves a wide frequency range of (2-10) GHz and a maximum KVCO variation of 2.5 by using a voltage controlled resistor (VCR) that has a programmable size to reduce the impact of temperature and process corners variations. The design uses a 1V supply and consumes a maximum power of 18mW. It was extracted and simulated in 90nm CMOS technology.