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AF120 Datasheet Generalized Impedance Converter

Manufacturer: National Semiconductor (now Texas Instruments)

Overview: ~National ~ Semiconductor Active Filters AF120 Generalized Impedance Converter, GIC.

General Description

The AF120 contains a pair: of operational amplifiers and four precision thin film resistors connected as shown below.

A gyrator may be formed by adding one external capacitor;

or a frequency dependent negative resistance FDN R may be formed by adding two external capacitors.