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|Title:||Low voltage, low power chebyshev filter in 0.18 ?m cmos technology|
|Citation:||Journal of Circuits, Systems and Computers, 2013, Vol.22, 7, pp.-|
|Abstract:||This paper presents an active-RC continuous time filter in 0.18 ?m standard CMOS technology intended to operate on a very low supply voltage of 0.5 V. The filter designed, has a 5th order Chebyshev low pass response with a bandwidth of 477 kHz and 1-dB passband ripple. A low-power operational transconductance amplifier (OTA) is designed which makes the filter realizable. The OTA uses bulk-driven input transistors and feed-forward compensation in order to increase the Dynamic Range and Unity Gain Bandwidth, respectively. The paper also presents an equivalent circuit of the OTA and explains how the filter can be modeled using descriptor state-space equations which will be used for design centering the filter in the presence of parasitics. The designed filter offers a dynamic range of 51.3 dB while consuming a power of 237 ?W. 2013 World Scientific Publishing Company.|
|Appears in Collections:||1. Journal Articles|
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