
A new voltage-mode bandpass shadow filter is presented. The filter is built around the current-feedback operational-amplifier. The parameters of the filter can be controlled by adjusting the gains of external amplifiers built around the current-feedback operational-amplifier. Contrary to the conjecture based on the current-mode shadow filter realization where a summing junction must be used, no summing amplifiers are used in this voltage-mode realization. Experimental results obtained using the AD844 current-feedback operational-amplifier are presented. The results obtained confirm the functionality of the proposed circuit.
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