Question

What is the relationship between the poles of a high pass and low pass filter and the cut off frequency? How do I design a circuit that gives a specific cut off? for instance, an active high pass first order filter with a cut off frequency of 100khz?

Answer #1

Draw the circuit of second order low pass Butterworth filter and
design it at a high cutoff frequency of 1KHz. Draw the frequency
response of the designed filter.

Design and draw a simple electrical circuit (a combination of a
low-pass and a high-pass filter circuits) that will act as a
bandpass filter for frequencies between 0.1 and 100 rad/s. Generate
the magnitude Bode plot on matlab!!!
Please do the matlab! thank you!

1. Design a second-orderactive low-pass filter to amplify the
frequencies below 1 kHzwith gain of Av=150.Sketch the circuit and
determine the component values.
2.Design a second-order active high-pass filter to amplify the
frequencies above 500 Hzwith gain of Av=100.Sketch the circuit and
determine the component values.
3.Design a second-order active band-pass filter to amplify the
frequencies between 500?1000 Hz with gain of Av=200.Sketch the
circuit and determine the component values

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...

An active low pass filter (with op-amp), the capacitor value is 500 pf, the resistor value is 1kΩ and the input signal source is 20 V.
a)draw the complete circuit with the data provided in the
example
b) plot the frequency response graph of the filter, use at least
5 dots for the plot of the graph and identify in it the pass band
and the attenuation band.
c) determine the filter output voltage f = 100KHz and f =...

7)
(a) Draw a circuit of a high pass RL filter
b) Derive the expression for V_o/V_i of a high pass RL
filter
(c) Use the equation you derived in (b) to determine the gain
when
(i) the frequency is very low
(ii) R = X_L
(iii) the frequency is very high
(d) Use the equation you derived in (b) to determine the phase
angle when
(i) the frequency is very low
(ii) R = X_L
(iii) the frequency is...

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.

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 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...

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)

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