CMOS Automatic Gain Control for Hearing aid devices
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In this paper a CMOS Automatic Gain Control (AGC) for Hearing aid devices is proposed. Montecarlo analyses have shown total harmonic distortions below 0.5% and 0.6% for uncompressed and hard compressed operations, respectively. Dynamic Range is 69 dB while the THD is around 0.5%. Power consumption for the complete AGC is 54 μWatts under normal conditions and 162 μWatts for maximum compression operation. Attack and release times are below than 5 ms. The AGC is operated with ±1.5 supply voltages.
author list (cited authors)
Silva-Martinez, J., & Salcedo-Suner, J.