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In this paper, a design method of a low-frequency universal current-mode filter employing second generation multiple output current conveyors with current amplification function is proposed. Low-frequency filters for biological signals need large capacitances. To realize a large apparent capacitance on a chip, the current amplification factor of the second generation multiple output current conveyors...
In this paper, a method to reduce the offset voltage of a fully differential filter employing symmetry-type floating impedance scaling (SFIS) circuits with prevention of wasteful power consumption is proposed. The problem of the filter employing the conventional SFIS circuit and a common-mode rejection (CMR) circuit is that DC offset voltages are high. In order to reduce the offset voltages, much...
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