Author_Institution :
University of California, Radiologic Imaging Laboratory South San Francisco, California 94080
Abstract :
A two quadrant analog divider is described. Based on the Gilbert cell, it maintains an accuracy of better than 1% over three decades of denominator voltages, with the fraction |N|/D¿1; an overrange for |N|/D¿2 is available, if reduced accuracy and speed at the extreme ends of the scale are tolerated. An alternative mode of operation yields the normalized difference (VA-VB)/(VA+VB) of the two inputs VA and VB.
Keywords :
Bandwidth; Dynamic range; Equations; Feedback; Laboratories; Linearity; Resistors; Signal processing; Tokamaks; Voltage;
Journal_Title :
Nuclear Science, IEEE Transactions on
DOI :
10.1109/TNS.1981.4331250
