A low - power down - converter mixer applied to the UHF transceivers
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tapchikhgkdt@hcmute.edu.vnKeywords:
mixer, noise figure, linearity, isolationAbstract
Frequency translation in a system is performed by a non-linear device known as a mixer. The most popular double-balanced mixer used in RFIC designs is the Gilbert Cell mixer. This mixer is an individual block of a 433 MHz transceiver. The proposed mixer requires a 1.8V supply voltage and consumed a 2.88mA current. The third-order intercept point and noise figure are-2.43 dBm and 8.9 dB. The excellent LO/RF and RF/IF isolations are also up to 147 dB and 109dB, respectively.
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References
T.H.Lee,The Design of CMOS Radio Frequency Integrated Circuits, Cambridge University Press,1998.
Behzad Razavi, RF Microelectronics, Prentice Hall Companies, 2001.
Barrie Gilbert, “The Micromixer: A Highly Linear Variant of the Gilbert Mixer Using a Bisymmetric Class AB Input Stage”, IEEEJournalofSolid-State Circuits, vol. 32, pp 14121423, Sept,1997
Behzad Razavi, Design of Analog CMOS Integrated Circuits, McGraw Hill Companies, 2001.
Barrie. Gilbert, “The Multitanh Principle: A tutorial Overview”, IEEE Journal of SolidState Circuits, vol 33, pp. 2-17, Jan,1998
A.vander Ziel,“Thermal Noise in Field Effect Transistors ”, Proceedings of the IEEE, pp. 1801–1812, Aug, 1962.
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