Universidade Estadual de Campinas, Faculdade de Tecnologia, Limeira, SP, BrasilUniversidade Estadual de CampinasBrasilLimeira, SP, BrasilUniversidade Estadual de Campinas, Faculdade de Tecnologia, Limeira, SP, Brasil
Matheus Cerqueira
Universidade Estadual de Campinas, Faculdade de Tecnologia, Limeira, SP, BrasilUniversidade Estadual de CampinasBrasilLimeira, SP, BrasilUniversidade Estadual de Campinas, Faculdade de Tecnologia, Limeira, SP, Brasil
Francisco José Arnold
*
*Correspondence email address: arnold@ft.unicamp.br.
Universidade Estadual de Campinas, Faculdade de Tecnologia, Limeira, SP, BrasilUniversidade Estadual de CampinasBrasilLimeira, SP, BrasilUniversidade Estadual de Campinas, Faculdade de Tecnologia, Limeira, SP, Brasil
Universidade Estadual de Campinas, Faculdade de Tecnologia, Limeira, SP, BrasilUniversidade Estadual de CampinasBrasilLimeira, SP, BrasilUniversidade Estadual de Campinas, Faculdade de Tecnologia, Limeira, SP, Brasil
Figure 8
a) Frequency response of the low-pass filter. Magnitude (in dB) of the filter output as function of normalized frequency. b) Impulse response of the low-pass filter. Coefficient values as function of number of points.
Figure 10
Input (yellow trace) /output (blue trace) obtained from low-pass filter real circuit captured from the oscilloscope screen. Each horizontal division is 5.0 ms.
Figure 11
a) Frequency response of the high-pass filter. Magnitude (in dB) of the filter output as function of normalized frequency. b) Impulse response of the high-pass filter. Coefficient values as function of number of points.
Figure 13
Input (yellow trace) /output (blue trace) obtained from high-pass filter real circuit captured from the oscilloscope screen. Each horizontal division is 2,5 ms.
Figure 5
Experimental board employed in the tests.
Figure 6
Setup Block Diagram of the developed system.
Figure 7
A photograph of the circuit under test.
Figure 8
a) Frequency response of the low-pass filter. Magnitude (in dB) of the filter output as function of normalized frequency. b) Impulse response of the low-pass filter. Coefficient values as function of number of points.
Figure 9
Input (above)/output (below) simulated wave forms of the low-pass filter.
Figure 10
Input (yellow trace) /output (blue trace) obtained from low-pass filter real circuit captured from the oscilloscope screen. Each horizontal division is 5.0 ms.
Figure 11
a) Frequency response of the high-pass filter. Magnitude (in dB) of the filter output as function of normalized frequency. b) Impulse response of the high-pass filter. Coefficient values as function of number of points.
Figure 12
Input (above)/output (below) simulated wave forms of the high-pass filter.
Figure 13
Input (yellow trace) /output (blue trace) obtained from high-pass filter real circuit captured from the oscilloscope screen. Each horizontal division is 2,5 ms.
