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A 2.45GHz CMOS double-balanced IQ downconversion switching passive mixer achieves low noise figure (NF) of 16dB, high input third-intercept point (IIP3) of 2dBm, high conversion gain (CG) of 13dB, while consuming only 4-mA from a 1.8V supply. This paper also proposes a new technique for stabilizing CG, IIP3, and NF of a CMOS passive mixer from the power supply (VDD), threshold voltage (VTH), and temperature variations. The proposed technique dissolves the undesired variations by providing dynamic DC biasing voltages. Measurement of various test chips shows that the CG of the mixers are all within ±0.1dB for 10% VDD variations, and within ±0.75dB for temperature of -40 to 90°C.
Published in:
Radio Frequency Integrated Circuits (RFIC) Symposium, 2003 IEEE
Date of Conference: 8-10 June 2003
- Page(s):
- 457 - 460
- ISSN :
- 1529-2517
- Print ISBN:
- 0-7803-7694-3
- INSPEC Accession Number:
- 7679840
- Digital Object Identifier :
- 10.1109/RFIC.2003.1213984
- Product Type:
- Conference Publications
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