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QUESTION 7 The figure below shows an asymptotic Bode frequency fc 1 kHz, determine the frequency...
Figure 2 below shows a bode-plot of a Butterworth response filter, with cut-off frequency, fc of...
Figure 2 below shows a bode-plot of a Butterworth response filter, with cut-off frequency, fc of 95 kHz and damping factor, a of 1. Define roll-off rate and explain how it effects the frequency response of this filter. Then, modify the frequency response to have a -80 dB/decade roll-off rate by redesigning the filter with appropriate structure and components value. Draw your filter design. Gain (normalized to 1) OdB -3 dB Actual response of a single-pole RC filter – Passband...
The asymptotic Bode plot shown below represents a lowpass filter-amplifier with a break frequency of ....
The asymptotic Bode plot shown below represents a lowpass
filter-amplifier with a break frequency of
.
Design a circuit to be connected in cascade with the amplifier
such that the break frequency is extended to
.
wn1000rads A, dB 20 dB -40 dB/decade rad/s 1000 wn5000rads A, dB 20 dB -40 dB/decade rad/s 5000
Design a low pass filter with a cutoff frequency of 1 kHz +/- 100 Hz and...
Design a low pass filter with a cutoff frequency of 1 kHz +/- 100 Hz and a gain of 16.0 dB +/- 1.0 dB in the passband. The R2 and C components of the filter control the cutoff frequency, and are inversely proportional to the cutoff frequency. So decreasing the resistance or capacitance will increase the cutoff frequency. The R1 and Rf components determine the gain of the amplifier. Increasing the value of Rf will increase the gain. Increasing the...
Figure 2 shows the circuit of a filter, whose half-power frequency (break frequency) is defined as...
Figure 2 shows the circuit of a filter, whose half-power frequency (break frequency) is defined as 1 1 -j 27T fC 27TRC + + Vin V out Figure 2 Find the circuit transfer function, H() (i) [2] Given C 2uF, R= , draw the asymptotic Bode magnitude and phase plots for the (ii) circuit [7]
Figure 2 shows the circuit of a filter, whose half-power frequency (break frequency) is defined as 1 1 -j 27T fC 27TRC + + Vin...
The asymptotic Bode plot shown below represents a lowpass filter with gain enhancement over a range...
The asymptotic Bode plot shown below represents a lowpass filter with gain enhancement over a range of frequencies. A, dB +6 dB/octave -6 dB/octave 0 dB 500 1000 o rad/s (log scale) Design a circuit using no more than two op-amps that will have this magnitude characteristic. You must use one or both of the circuits below, and in addition, you may use any other circuit so long as the total number of op-amps is less than or equal to...
Figure 1 shows the Bode diagrams for a particular system. a) Sketch the polar diagram for this sy...
Figure 1 shows the Bode diagrams for a particular system. a) Sketch the polar diagram for this system, accurately indicating the location and numerical values for the phase and gain margins. The phase margin should be given in and the gain margin in absolute units (ie. not dB). Use arrows to indicate the direction of increasing frequency on your diagram b.) Determine numerically the magnitude and gain crossover frequencies for this system. If there are more than one of either,...
QUESTION 1 Barry the Biologist has asked for your help to build an amplifier and filter to take small signals from his...
QUESTION 1 Barry the Biologist has asked for your help to build an amplifier and filter to take small signals from his bird sensing microphones and amplify them so that he can capture the signals on his PC. The microphone produces AC signals at varying frequencies with 10 mV magnitude. His PC requires the signals to be 1 V magnitude. The signals that Barry is interested in are above 1 kHz Hz. He would like the filter to attenuate signals...
752) See Figure 752. D-4. The Bode gain and phase plots for a RC circuit are phase (deg), and frequency B. Also find the other shown in the fig. Determine gain (dB), (rad/sec) for the points la...
752) See Figure 752. D-4. The Bode gain and phase plots for a RC circuit are phase (deg), and frequency B. Also find the other shown in the fig. Determine gain (dB), (rad/sec) for the points labeled A and exponents. Answers: GdBA, phA, wA, GdBB, phB,wB,C, E,F. ans:9 Bode Gain and Phase Plots Gain in dB 6 -10 12.64 10 Frequency in rad/sec 10 10 Phase in deg 765 40 10 F 4764 Frequency in rad/sec Figure 752 10 10...
(a) The figure below shows the small-signal equivalent circuit of a voltage amplifier. The open-circuit output...
(a) The figure below shows the small-signal equivalent circuit of a voltage amplifier. The open-circuit output of the supply v10 V (i) Determine the resistances if the regulation should be less than 5 % when 1 W is being delivered to a resistive load connected across vo in the mid frequency range. If the low frequency 3dB point is at 1 kHz and the high frequency 3 dB point is 100 kHz what are the capacitance values. Assume the circuit...
Problem Consider a voltage amplifier having a frequency response of the low-pass STC 1ype with a de gain of 60 dB a...
Problem Consider a voltage amplifier having a frequency response of the low-pass STC 1ype with a de gain of 60 dB and a 3-dB frequency of 1000 Hz Find the gain in dB at f- 10 Hz, 10kHz, 100 kHz, and 1 MHz Problem For the circuit shown below first, evalusteand the coresponding comer froquency. Second evalmt and the corresponding comer froquency. At the end caloulate overall transfer function T(w)= and reurite it in the standard fom ( and draw...
Figure 2 below shows a bode-plot of a Butterworth response filter, with cut-off frequency, fc of 95 kHz and damping factor, a of 1. Define roll-off rate and explain how it effects the frequency response of this filter. Then, modify the frequency response to have a -80 dB/decade roll-off rate by redesigning the filter with appropriate structure and components value. Draw your filter design. Gain (normalized to 1) OdB -3 dB Actual response of a single-pole RC filter – Passband...
The asymptotic Bode plot shown below represents a lowpass
filter-amplifier with a break frequency of
.
Design a circuit to be connected in cascade with the amplifier
such that the break frequency is extended to
.
wn1000rads A, dB 20 dB -40 dB/decade rad/s 1000 wn5000rads A, dB 20 dB -40 dB/decade rad/s 5000
Figure 2 shows the circuit of a filter, whose half-power frequency (break frequency) is defined as 1 1 -j 27T fC 27TRC + + Vin V out Figure 2 Find the circuit transfer function, H() (i) [2] Given C 2uF, R= , draw the asymptotic Bode magnitude and phase plots for the (ii) circuit [7]
Figure 2 shows the circuit of a filter, whose half-power frequency (break frequency) is defined as 1 1 -j 27T fC 27TRC + + Vin...
The asymptotic Bode plot shown below represents a lowpass filter with gain enhancement over a range of frequencies. A, dB +6 dB/octave -6 dB/octave 0 dB 500 1000 o rad/s (log scale) Design a circuit using no more than two op-amps that will have this magnitude characteristic. You must use one or both of the circuits below, and in addition, you may use any other circuit so long as the total number of op-amps is less than or equal to...
Figure 1 shows the Bode diagrams for a particular system. a) Sketch the polar diagram for this system, accurately indicating the location and numerical values for the phase and gain margins. The phase margin should be given in and the gain margin in absolute units (ie. not dB). Use arrows to indicate the direction of increasing frequency on your diagram b.) Determine numerically the magnitude and gain crossover frequencies for this system. If there are more than one of either,...
QUESTION 1 Barry the Biologist has asked for your help to build an amplifier and filter to take small signals from his bird sensing microphones and amplify them so that he can capture the signals on his PC. The microphone produces AC signals at varying frequencies with 10 mV magnitude. His PC requires the signals to be 1 V magnitude. The signals that Barry is interested in are above 1 kHz Hz. He would like the filter to attenuate signals...
752) See Figure 752. D-4. The Bode gain and phase plots for a RC circuit are phase (deg), and frequency B. Also find the other shown in the fig. Determine gain (dB), (rad/sec) for the points labeled A and exponents. Answers: GdBA, phA, wA, GdBB, phB,wB,C, E,F. ans:9 Bode Gain and Phase Plots Gain in dB 6 -10 12.64 10 Frequency in rad/sec 10 10 Phase in deg 765 40 10 F 4764 Frequency in rad/sec Figure 752 10 10...
(a) The figure below shows the small-signal equivalent circuit of a voltage amplifier. The open-circuit output of the supply v10 V (i) Determine the resistances if the regulation should be less than 5 % when 1 W is being delivered to a resistive load connected across vo in the mid frequency range. If the low frequency 3dB point is at 1 kHz and the high frequency 3 dB point is 100 kHz what are the capacitance values. Assume the circuit...
Problem Consider a voltage amplifier having a frequency response of the low-pass STC 1ype with a de gain of 60 dB and a 3-dB frequency of 1000 Hz Find the gain in dB at f- 10 Hz, 10kHz, 100 kHz, and 1 MHz Problem For the circuit shown below first, evalusteand the coresponding comer froquency. Second evalmt and the corresponding comer froquency. At the end caloulate overall transfer function T(w)= and reurite it in the standard fom ( and draw...
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