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. Author manuscript; available in PMC: 2019 Nov 25.
Published in final edited form as: J Neural Eng. 2019 Oct 9;16(6):066003. doi: 10.1088/1741-2552/ab2610

Figure 9.

Figure 9

Time and frequency responses of the Chebyshev notch channel, in and without the presence of bipolar stimulation (140 Hz, 3 V peak, 100 μs). The test signal was a sinusoidal single tone with an amplitude of approximately 1 μV peak and a frequency of 15 Hz. (a) Time-domain recording without the presence of stimulation for a passband set from 0.5 to 140 Hz. (b) Time-domain recording in the presence of stimulation for a passband set from 0.5 to 140 Hz. (c) Time-domain recording without the presence of stimulation for a passband ranging from 0.5 to 250 Hz. (d) Time-domain recording in the presence of stimulation for a passband ranging from 0.5 to 250 Hz. (e) Amplitude spectrum of the signals presented in figure (a). (f) Amplitude spectrum of the signals presented in figure (b). (g) Amplitude spectrum of the signals presented in figure (c). (h) Amplitude spectrum of the signals presented in figure (d).