New dual output transconductance amplifier based biquad.
IEEE International Symposium on Circuits & Systems, .
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A new current mode biquad filter configuration based on dual output OTA is presented. Design equations of various filter functions and sensitivity expressions are given. Based on a discrete bipolar transistor realisation and the cascade approach, the measured frequency results of 4th-order lowpass 5.5MHz Butterworth filter is included.
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