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A high frequency four quadrant current multiplier is presented. The current multiplier uses complementary MOS devices in the triode region and exploits the square-law behaviour of saturated MOS transistors. The circuit operates using the supply voltages of±1V. The cutoff frequency is 1.74 GHz with a total harmonic distortion less than 0.065 % (at 1 MHz). The power dissipation is 0.85 mW.
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Arthansiri, T., Kasemsuwan, V., Ahn, H.K.: `A±1.5V high frequency four quadrant current multiplier', IEEE Int. Symp. Circuits and Systems, (ISACS 2005), 2005, May 2005, Kobe, Japan, 2, p. 1016–1019.
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http://iet.metastore.ingenta.com/content/journals/10.1049/el.2010.1020
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