Full-Wave Current-Mode Precision Rectifiers Using Unity-Gain Cells
This paper presents a new precision full-wave rectifier, which uses current followers as active devices. Three variants of the circuit are discussed, all being current-mode. In the first circuit the input signal is delivered by a current sources while in the next two circuits the input signals are voltages. All circuits provide outputs signals both as voltages and as currents. Due to the current-mode operation the circuits have a very good transient response that make them suitable for high frequency applications. SPICE simulations and conclusions are included. Ill 9, bibl. 10 (in English; summaries in Lithuanian, English, Russian).
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