The EL4083 makes use of an Elantecfully complimentary oxide isolatedbipolar process to produce a patentpending current in, current out four quadrant multiplier. Inputand output signal summing and direct interface to othercurrent mode devices can be accomplished by simpleconnection to reduce component count and preservebandwidth. The selection of an appropriate series resistorvalue allows an input to accept a voltage signal of any sizeand optimize dynamic range. The differential outputs offersignificant performance improvements which greatly extendthe usable gain control range at high frequencies. The biascurrent is programmable to accommodate the voltage andpower dissipation constraints of the package and availablesystems supplies.The devices can implement all the classic four quadrantmultiplier applications and are uniquely well suited to gaincontrol and signal summing of broadband signals.
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