Calculate the notch frequency fN in Fig. 23-14a if R1= 1 kΩ and C1 = 0.01 μF. Also, calculate the required values for 2R1 and 2C1 in the low-pass filter.

Question

Calculate the notch frequency [latex] f_N [/latex] in Fig. 23-14a if [latex]R_1= 1 k\Omega[/latex] and [latex] C_1 = 0.01 \mu F[/latex]. Also, calculate the required values for [latex]2R_1[/latex] and [latex]2C_1[/latex] in the low-pass filter.

Accepted Answer

Use Formula (23-10):

[latex]f_N=\frac{1}{4\pi R_1C_1}[/latex] (23-10)

[latex]=\frac{1}{4 imes \pi imes 1 k\Omega imes 0.01\mu F}[/latex]

=7.96 KHz

[latex]2R_1=2 imes 1 K\Omega[/latex]

[latex]=2 K\Omega[/latex]

[latex]2C_1= 2 imes 0.01 \mu F[/latex]

[latex]=0.02 \mu F[/latex]

Question 23.3: Calculate the notch frequency fN in Fig. 23-14a if R1= 1 kΩ ...

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