Question

For the active first order filter circuit shown in Figure 3, R1=1k?, R2=10k? and C = 10nF, • Find the transfer function H(s) of the filter circuit; • Find the frequency response function H(j?) of the filter circuit; • Find the DC (? = 0) gain of the filter circuit; • Find the gain when the frequency approaches infinity, i.e., $\lim_{\omega \to \infty} [H(j\omega)]$; • Find the cut-off frequency of the filter circuit; • Plot the straight-line approximation of the magnitude Bode diagram of H(j?); • Plot the straight-line approximation of the phase Bode diagram of H(j?); • State the type of filter according to the Bode plot obtained.

          For the active first order filter circuit shown in Figure 3, R1=1k?, R2=10k? and C = 10nF,
• Find the transfer function H(s) of the filter circuit;
• Find the frequency response function H(j?) of the filter circuit;
• Find the DC (? = 0) gain of the filter circuit;
• Find the gain when the frequency approaches infinity, i.e., $\lim_{\omega \to \infty} [H(j\omega)]$; 
• Find the cut-off frequency of the filter circuit;
• Plot the straight-line approximation of the magnitude Bode diagram of H(j?);
• Plot the straight-line approximation of the phase Bode diagram of H(j?);
• State the type of filter according to the Bode plot obtained.

For the active first order filter circuit shown in Figure 3, R1=1k?, R2=10k? and C = 10nF,
• Find the transfer function H(s) of the filter circuit;
• Find the frequency response function H(j?) of the filter circuit;
• Find the DC (? = 0) gain of the filter circuit;
• Find the gain when the frequency approaches infinity, i.e., limω→∞ [H(jω)];
• Find the cut-off frequency of the filter circuit;
• Plot the straight-line approximation of the magnitude Bode diagram of H(j?);
• Plot the straight-line approximation of the phase Bode diagram of H(j?);
• State the type of filter according to the Bode plot obtained.

Added by Joan H.

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