Question

Design an active-RC low pass second order Butterworth filter for a cutoff frequency of 1 kHz, and a pass band gain of 2 V/V. Use a 741 Op Amp. If using Table I, use a capacitor value of 0.1 μF for C and C1, otherwise you may use any capacitors available in the lab. If applicable, make an excel worksheet showing the calculations required for the above design. Choose appropriate real resistor values for the designed circuit and simulate this circuit for input AC amplitude of 1 V. Obtain an AC response plot of the output for a frequency range of 1 Hz to 100 kHz.

Answer #1

Design a Butterworth Sallen-Key Low Pass Filter with the
critical frequency, fc = 7.23 kHz. For design
simplification in RC network, assume equal value for capacitor, C =
22nF while R has a ratio, m = 2. Use the quality factor, Q value
from the Table .

Design a Butterworth high pass filter which is 4th
order. The first element of the low pass
prototype shall be a capacitor
C1
. The 3 dB cutoff shall be 500 KHz.
RL100 , Rs=50

Design a passive RC high pass filter with a cutoff frequency of
470 Hz using a 270 pF capacitor.
What is the value of the resistor? Express your answer with the
appropriate units.
What is the transfer function of the filter? Express your answer
in terms of the variables R, C, and s.
If the filter is loaded with a resistor whose value is the same
as the resistor in part B, what is the transfer function of this
loaded...

Design a second-order Butterworth high-pass filter with an
infinite frequency gain of 0 dB and a -3 dB frequency of 5.24 kHz.
(include circuit design w/ component values)

Design an active high pass filter with a high frequency gain of
5 and a cutoff frequency of 2kHz. Use a 0.1 uF capacitor in your
design.

Calculate the cutoff point for a low pass RC filter with a
series resistor valued at 1M Ohm, and a shunt capacitor valued at
220 pF

To analyze and design a passive, second-order bandreject filter
using a series RLC circuit.
A bandreject filter is needed for an equalizer, a device that
allows one to select the level of amplification of sounds within a
specific frequency band while not affecting the sounds outside that
band. The filter should pass frequencies lower than 1.4 kHz and
have a resonant frequency of 3.8 kHz. A 5.0 μF capacitor
and any needed resistors and inductors are available to be used...

Second order circuit as a band pass filter.
1. Consider a series RLC circuit of your choice with AC source.
Find the resonance conditions (resonant frequency, quality factor
cut-off frequencies and bandwidth.
Simulate(multisim) the resonance condition by experimenting with
AC signal of several different frequencies and comparing the output
amplitudes. You need to show graphs of simulation with several
different frequencies. Demonstrate that the simulation results
confirm the calculated resonance effect.
Make a band pass filter from circuit in (1)....

Using a 741 op-amp for every stage, design this circuit:
The input stage has a voltage gain of 10 and input impedance of
50 K?.
The low pass filter stage has a Sallen-Key (VCVS) third order
butterworth response and a cutoff frequency of 5KHz.
The output buffer stage has a voltage gain of 10.

Please show steps. Thank you
Design an identical cascade unit gain active RC low pass filter
of order 4. The cut frequency for the filter is 800Hz. Use 1.0uF
capacitors.
a) Draw the circuit and calculate the values of R.
b) Express the transfer function of the filter H(s).
c) Plot the Bode diagram of the frequency response of the
filter.
d) Estimate the output voltage if the filter is excited with an
input voltage vi(t) = sin(15000t)
e) What...

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