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. Author manuscript; available in PMC: 2022 Jul 1.
Published in final edited form as: IEEE J Solid-State Circuits. 2021 Feb 9;56(7):2142–2157. doi: 10.1109/jssc.2021.3056040

Fig. 24.

Fig. 24.

Scalability of the IIR filter output in response to stimulation with different parameters in vitro. (a) Stimulation current and artifact during training and acquisition. (b) Recovered signal in 3 conditions: canceler OFF, canceler ON + filter retraining, canceler ON + coefficient scaling. The FFT window is highlighted with a shadow. (c) Frequency spectrum of the recovered signal. (d) Performance summary of the artifact cancellation scheme. The representative plots are from channel 0.