Abstract
This paper describes a new solid-state, monolithic inte grated analog multiplier, based on the controlled-trans conductance principle that is designed for high speed, high accuracy, and excellent linearity. A novel differ ential amplifier circuit permits cancellation of undesired nonlinearities, and carefully matched device geometries account for the good accuracy of the new multiplier. With an inherent voltage gain of A v = 1/10, the multi plier will provide a ± 10 V output at ± 10 mA with linearity approaching 0.1 % at 100 Hz. The multiplier package may be used in conjunction with an external operational amplifier and external resistors, and offers the advantages of monolithic construction (low cost, ex cellent temperature tracking) with the precision of ad justable-parameter, discrete construction.
Get full access to this article
View all access options for this article.