Abstract
A low voltage, low power bulk driven Operational Transconductance Amplifier (OTA) with feed-forward compensation is presented. The OTA is designed in 180 nm technology and achieves an open loop DC gain of 44.05 dB, 3 dB bandwidth of 408 kHz and Unity Gain Bandwidth (UGB) of 9.07 MHz. OTA is stable with phase margin of 45o and a gain margin of 66 dB for a pure capacitive load of 1 pF. OTA operates on 0.5 V supply consuming a power of 30 µW. As an application, a fifth order Chebyshev low pass filter is designed for a bandwidth of 480 kHz. Filter follows the ideal response up to an attenuation of 50 dB.
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