A Low-Voltage Ultra-Low-Power Translinear Integrator for Audio Filter Applications [Brief Papers] - Solid-State Circuits, IEEE Journal of
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چکیده
In this paper, the design and measurement of a 1-V translinear integrator and its application in a controllable secondorder lowpass filter for hearing instruments is presented. A semicustom version of the filter has been integrated in a standard 2m, 7-GHz, bipolar IC process and operates at voltages down to 1 V, consumes only 6 A, and has a dynamic range of 57 dB for a total harmonic distortion below 2%. Its cutoff frequency is linearly adjustable in octaves from 1.6 to 8 kHz.
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تاریخ انتشار 1998