Problem 4. When a gamma ray is absorbed by a radiation detector, a voltage signal is generated on the detector's output. The detector's signals must be inverted and filtered to perform the gamma-ray energy spectroscopy. An engineer is tasked to develop an active, low-pass 1st-order RC-filter that has a static gain of 20 and a cutoff frequency of 7.25 kHz. The following components were available for the use in this circuit: type-741 op-amps, 3.5-μF capacitors, and resistors of all values. (a) Draw a circuit scheme of the active, inverting, low-pass RC-filter of 1st-order: (b) (c) for this filter. Determine values of the circuit components of this filter: Values of components: At frequency of 120 kHz, calculate the magnitude ratio and the signal attenuation (in dB)
Problem 4. When a gamma ray is absorbed by a radiation detector, a voltage signal is generated on the detector's output. The detector's signals must be inverted and filtered to perform the gamma-ray energy spectroscopy. An engineer is tasked to develop an active, low-pass 1st-order RC-filter that has a static gain of 20 and a cutoff frequency of 7.25 kHz. The following components were available for the use in this circuit: type-741 op-amps, 3.5-μF capacitors, and resistors of all values. (a) Draw a circuit scheme of the active, inverting, low-pass RC-filter of 1st-order: (b) (c) for this filter. Determine values of the circuit components of this filter: Values of components: At frequency of 120 kHz, calculate the magnitude ratio and the signal attenuation (in dB)
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
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Transcribed Image Text:Problem 4. When a gamma ray is absorbed by a radiation detector, a voltage signal is generated on the
detector's output. The detector's signals must be inverted and filtered to perform the gamma-ray energy
spectroscopy. An engineer is tasked to develop an active, low-pass 1st-order RC-filter that has a static gain
of 20 and a cutoff frequency of 7.25 kHz. The following components were available for the use in this
circuit: type-741 op-amps, 3.5-μF capacitors, and resistors of all values.
(a)
Draw a circuit scheme of the active, inverting, low-pass RC-filter of 1st-order:
(b)
(c)
for this filter.
Determine values of the circuit components of this filter:
Values of components:
At frequency of 120 kHz, calculate the magnitude ratio and the signal attenuation (in dB)
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