A low-pass filter with a cut-off frequency of 30 Hz is cascaded with a high pass filter with a cut-off frequency

A low-pass filter with a cut-off frequency of 30 Hz is cascaded with a high pass filter with a cut-off frequency of 20 Hz. The resultant system of filters will function as 

(A) an all – pass filter (B) an all – stop filter (C) an band stop (band-reject) filter (D) a band – pass filter
by

1 Answer

Answer :

A low-pass filter with a cut-off frequency of 30 Hz is cascaded with a high pass filter with a cut-off frequency of 20 Hz. The resultant system of filters will function as  a band – pass filter

by

Related questions

Low pass filter with cut off frequency of 100 kHz and high pass filter with cut off frequency of

Description : Low pass filter with cut off frequency of 100 kHz and high pass filter with cut off frequency of 50 kHz are connected in tandem, the resultant filter is Low pass filter with cut off frequency of 100 kHz ... kHz Band pass filter with pass band from 50 kHz to 100 kHz. None of the above.

Last Answer : Low pass filter with cut off frequency of 100 kHz and high pass filter with cut off frequency of 50 kHz are connected in tandem, the resultant filter is Band pass filter with pass band from 50 kHz to 100 kHz.

The values of L and C for a low pass filter with cut off frequency of 2.5 KHz and operating with a terminated

Description : The values of L and C for a low pass filter with cut off frequency of 2.5 KHz and operating with a terminated load resistance of 450 Ohm are given by  (a) 57.3 mH; 0.283 μF (b) 28.66 μH; 0.14 μF (c) 114.64 mH; 0.566 mF (d) 50.23 mH; 0.632 mF

Last Answer : The values of L and C for a low pass filter with cut off frequency of 2.5 KHz and operating with a terminated load resistance of 450 Ohm are given by 57.3 mH; 0.283 μF

A 4 GHz carrier is amplitude modulated by a low-pass signal of maximum cut off frequency 1 MHz

Description : A 4 GHz carrier is amplitude modulated by a low-pass signal of maximum cut off frequency 1 MHz. lf this signal is to be ideally sampled, the minimum sampling frequency should be nearly

Last Answer : A 4 GHz carrier is amplitude modulated by a low-pass signal of maximum cut off frequency 1 MHz. lf this signal is to be ideally sampled, the minimum sampling frequency should be nearly 4 Ghz

What is the required quality factor for an SSB filter with the following data: center frequency= 1 MHz, the desired attenuation level of the unwanted sideband= 80 dB and the separation between sidebands= 200 Hz? A. 1,250 B. 12,500 C. 125,000 D. 25,000

Description : What is the required quality factor for an SSB filter with the following data: center frequency= 1 MHz, the desired attenuation level of the unwanted sideband= 80 dB and the separation between sidebands= 200 Hz? A. 1,250 B. 12,500 C. 125,000 D. 25,000

Last Answer : C. 125,000

Which of the following methods cannot be used to increase the bandwidth for cascaded RF amplifier stages? A) Wave traps in each stage B) Stagger tuning C) A shunt damping resistor across each tuned circuit D) Doubled tuned transformers with tighter coupling

Description : Which of the following methods cannot be used to increase the bandwidth for cascaded RF amplifier stages? A) Wave traps in each stage B) Stagger tuning C) A shunt damping resistor across each tuned circuit D) Doubled tuned transformers with tighter coupling

Last Answer : A) Wave traps in each stage

If three amplifiers having the same bandwidth are cascaded, the bandwidth of the resulting amplifier will be

Description : If three amplifiers having the same bandwidth are cascaded, the bandwidth of the resulting amplifier will be (a) Better than that of each stage (b) Worse than that of each stage (c) Same as that of each stage (d) None of the above 

Last Answer : If three amplifiers having the same bandwidth are cascaded, the bandwidth of the resulting amplifier will be Worse than that of each stage

A high pass filter has a resistance R = 2 kΩ. The lowest input frequency to...

Description : A high pass filter has a resistance R = 2 kΩ. The lowest input frequency to be passed is 7.5 KHz. The value of suitable coupling capacitor must be : (A) 0.1 pF (B) 1 pF (C) 0.1 μ F (D) 1 μ F

Last Answer : Option C By equating 1/RC with frequency.

Harmonic suppressor connected to an antenna. A. Low-pass filter B. High-pass filter C. M-derived filter D. Constant-K

Description : Harmonic suppressor connected to an antenna. A. Low-pass filter B. High-pass filter C. M-derived filter D. Constant-K

Last Answer : A. Low-pass filter

How can intermodulation interference between two transmitters in close proximity reduced or eliminated? A. Through installing a band-pass filter in the antenna feed line B. Through installing terminated circulator or ferrite isolator in the feed line of the transmitter and duplexer C. By using a class C final amplifier with high driving power D. By installing a low-pass filter in the antenna feed line

Description : How can intermodulation interference between two transmitters in close proximity reduced or eliminated? A. Through installing a band-pass filter in the antenna feed line B. Through installing terminated circulator ... high driving power D. By installing a low-pass filter in the antenna feed line

Last Answer : A. Through installing a band-pass filter in the antenna feed line

Harmonic suppressor connected to an antenna. A. High pass filter B. Low pass filter C. Tank circuit D. M-derived filter

Description : Harmonic suppressor connected to an antenna. A. High pass filter B. Low pass filter C. Tank circuit D. M-derived filter

Last Answer : B. Low pass filter

Which of the following filters block FM radio band for TV channels (2 to 13)? A. High-pass filter B. Band reject filter C. Low-pass filter D. Band-pass filter

Description : Which of the following filters block FM radio band for TV channels (2 to 13)? A. High-pass filter B. Band reject filter C. Low-pass filter D. Band-pass filter

Last Answer : B. Band reject filter

The ___________ filter attenuates signals but passes frequencies below and above that band. A. low pass B. band pass C. band stop D. high pass

Description : The ___________ filter attenuates signals but passes frequencies below and above that band. A. low pass B. band pass C. band stop D. high pass

Last Answer : C. band stop

The line trap unit employed in carrier current relaying: (A) offers high impedance to 50 Hz power frequency signal (B) offers high impedance to carrier frequency signal (C) offers low impedance to carrier frequency signal (D) Both (A) & (C)

Description : The line trap unit employed in carrier current relaying: (A) offers high impedance to 50 Hz power frequency signal (B) offers high impedance to carrier frequency signal (C) offers low impedance to carrier frequency signal (D) Both (A) & (C)

Last Answer : Ans: B The line trap unit employed in carrier current relaying offers high impedance to carrier frequency signal. Because carrier frequency range is 35 km – 500 kHz XL = 2Π f l Where f increases XL will also increases

Assuming a standard 60 Hz. input to the circuit shown in the illustration, the ripple frequency would be ____________. EL-0085 A. 30 Hz B. 60 Hz C. 90 Hz D. 120 Hz

Description : Assuming a standard 60 Hz. input to the circuit shown in the illustration, the ripple frequency would be ____________. EL-0085 A. 30 Hz B. 60 Hz C. 90 Hz D. 120 Hz

Last Answer : Answer: D

What frequency is 10 octaves above 30 Hz? A. 30.72 kHz B. 30 kHz C. 300 Hz D. 307.2 kHz

Description : What frequency is 10 octaves above 30 Hz? A. 30.72 kHz B. 30 kHz C. 300 Hz D. 307.2 kHz

Last Answer : A. 30.72 kHz

Calculate natural frequency of damped vibration, if damping factor is 0.52 and natural frequency of the system is 30 rad/sec which consists of machine supported on springs and dashpots. A 21 rad/sec B 25.62 rad/sec C 20.22 Hz D 3.15 Hz

Description : Calculate natural frequency of damped vibration, if damping factor is 0.52 and natural frequency of the system is 30 rad/sec which consists of machine supported on springs and dashpots. A 21 rad/sec B 25.62 rad/sec C 20.22 Hz D 3.15 Hz

Last Answer : B 25.62 rad/sec

A 1 kg mass is suspended by a spring having a stiffness of 0.4 N/mm. Determine the natural frequency. A 20 rad/sec B 30 rad/sec C 20 Hz D 30 Hz

Description : A 1 kg mass is suspended by a spring having a stiffness of 0.4 N/mm. Determine the natural frequency. A 20 rad/sec B 30 rad/sec C 20 Hz D 30 Hz

Last Answer : B 30 rad/sec

In semi definite system, one of the natural frequencies is found to 15 Hz. The other natural frequency will be A. 15 Hz B. 0 Hz C. 30 Hz D. None of these

Description : In semi definite system, one of the natural frequencies is found to 15 Hz. The other natural frequency will be A. 15 Hz B. 0 Hz C. 30 Hz D. None of these

Last Answer : B. 0 Hz

An accelerometer has input range of 0 to 10g, natural frequency 30 Hz and mass 0.001 kg. The range of the

Description : An accelerometer has input range of 0 to 10g, natural frequency 30 Hz and mass 0.001 kg. The range of the secondary displacement transducer in mm required to cover the input range is (A) 0 to 2.76 (B) 0 to 9.81 (C) 0 to 11.20 (D) 0 to 52.10

Last Answer : An accelerometer has input range of 0 to 10g, natural frequency 30 Hz and mass 0.001 kg. The range of the secondary displacement transducer in mm required to cover the input range is 0 to 2.76

What is the purpose of having a low pass filter in PLL?

Description : What is the purpose of having a low pass filter in PLL?

Last Answer : *It removes the high frequency components and noise. *Controls the dynamic characteristics of the PLL such as capture range, lock-in range,band-width and transient response. *The charge on the filter capacitor gives a short- time memory to the PLL

Define low pass filter.

Description : Define low pass filter.

Last Answer : A low pass filter allows only low frequency signals upto a certain break point fH to pass through.

i. (X’+Y’) A. Low-pass filter function ii. (X’Y’) B. Sum iii. (XY) C. NAND D. Carry E.NOR a) i-C, ii-E, iii-D b) i-C, ii-E, iii-B c) i-C, ii-B, iii-D d) i-C, ii-E, iii-A

Description : i. (X’+Y’) A. Low-pass filter function ii. (X’Y’) B. Sum iii. (XY) C. NAND D. Carry E.NOR a) i-C, ii-E, iii-D b) i-C, ii-E, iii-B c) i-C, ii-B, iii-D d) i-C, ii-E, iii-A

Last Answer : Ans: i-C, ii-E, iii-D

How does a low-pass filter detect pdm?

Description : How does a low-pass filter detect pdm?

Last Answer : By averaging the value of the pulses over the period of the pulse-repetition rate.

low pass &band pass filter in detail

Last Answer : A low pass filter is a filter that only allows certain frequencies to be allowed through the filter. The low in low pass refers to it allowing frequencies below a certain cut off ... cutoff frequency to pass through effectively creating a band of frequency values that are allowed through. 

For a prototype low pass filter, the series and shunt elements are respectively _____.

Description : For a prototype low pass filter, the series and shunt elements are respectively _____.

Last Answer :  For a prototype low pass filter, the series and shunt elements are respectively inductive and capacitive.

write short notes on Low-pass filter.

Description : write short notes on Low-pass filter.

Last Answer : low-pass filter (1) filter exhibiting frequency selective characteristic that allows low-frequency components of an input signal to pass from filter input to output unattenuated all high-frequency components are ... the bandwidth of the filter. A filter whose impulse response is a low-pass signal.

What causes low-frequency flutter (below 1000 Hz)?

Description : What causes low-frequency flutter (below 1000 Hz)?

Last Answer : Rotating parts of a tape transport, such as irregular tape reels, sticking guides and pinch rollers, and capstans

Is better filtering achieved at a high frequency or at a low frequency at the input of the filter?

Description : Is better filtering achieved at a high frequency or at a low frequency at the input of the filter?

Last Answer : High

In electronic circuits, what name is given to a frequency discriminating network designed to select or pass certain bands of frequencies with low attenuation and cause very high attenuation to other frequencies?

Description : In electronic circuits, what name is given to a frequency discriminating network designed to select or pass certain bands of frequencies with low attenuation and cause very high attenuation to other frequencies?

Last Answer : ANSWER: FILTER

Rectangular waveguides dominate the circular waveguides. Find the reason. a) Low cut-off frequency b) Easy to design c) More wave propagation d) The statement is false

Description : Rectangular waveguides dominate the circular waveguides. Find the reason. a) Low cut-off frequency b) Easy to design c) More wave propagation d) The statement is false

Last Answer : b) Easy to design

In a 60 Hz AC system, the current will pass through one complete cycle in _____________. A. 60 seconds B. 6 seconds C. 1 second D. .016 of a second

Description : In a 60 Hz AC system, the current will pass through one complete cycle in _____________. A. 60 seconds B. 6 seconds C. 1 second D. .016 of a second

Last Answer : Answer: D

Define High pass filter.

Description : Define High pass filter.

Last Answer : A low pass filter allows only high frequency signals upto a certain break point fH to pass through

In a certain electronic circuit the output is positive if input 1 is positive and input 2 is zero. If both inputs are positive the output is zero. This is: w) an AND circuit x) a NOR circuit y) an OR circuit z) a high-pass filter

Description : In a certain electronic circuit the output is positive if input 1 is positive and input 2 is zero. If both inputs are positive the output is zero. This is: w) an AND circuit x) a NOR circuit y) an OR circuit z) a high-pass filter

Last Answer : ANSWER: Y -- AN OR CIRCUIT

The shunt element of prototype high pass filter is _____.

Description : The shunt element of prototype high pass filter is _____. 

Last Answer : The shunt element of prototype high pass filter is inductive. 

When measuring strain, ballast circuit use a capacitor to act as a high pass filter. This is done when:

Description : When measuring strain, ballast circuit use a capacitor to act as a high pass filter. This is done when:  a) Static strain are being measured b) Dynamic strain are being measured c) Both Static and dynamic strain are being measured d) None of the above

Last Answer : When measuring strain, ballast circuit use a capacitor to act as a high pass filter. This is done when: Dynamic strain are being measured

is not the component of sprayers. a) Swirl plate b) Filter c) Cut-off value d) Pump

Description : is not the component of sprayers. a) Swirl plate b) Filter c) Cut-off value d) Pump

Last Answer : Pump

Geodimeter is based on: (A) Propagation of modulated light waves (B) Propagation of infrared radiation (C) The visible light as carrier with frequency of the order of 5 × 1014 Hz (D) High frequency radio waves

Description : Geodimeter is based on: (A) Propagation of modulated light waves (B) Propagation of infrared radiation (C) The visible light as carrier with frequency of the order of 5 × 1014 Hz (D) High frequency radio waves

Last Answer : Answer: Option A

What causes high-frequency flutter (above 1000 Hz)?

Description : What causes high-frequency flutter (above 1000 Hz)?

Last Answer : Fixed parts of a tape transport, such as fixed tape guides and magnetic heads.

What method can be used to separate parts of a liquid mixture if the entire mixture can pass through a filter?

Description : What method can be used to separate parts of a liquid mixture if the entire mixture can pass through a filter?

Last Answer : YOu

What consists the front-end circuit of a VHF TV superheterodyne receiver? A. Mixer, RF amplifier and AFC? B. RF amplifier, Band pass filter and mixer C. Local oscillator, mixer and RF amplifier D. Local oscillator, AGC and antenna

Description : What consists the front-end circuit of a VHF TV superheterodyne receiver? A. Mixer, RF amplifier and AFC? B. RF amplifier, Band pass filter and mixer C. Local oscillator, mixer and RF amplifier D. Local oscillator, AGC and antenna

Last Answer : C. Local oscillator, mixer and RF amplifier

What type filter is used to allow a narrow band of frequencies to pass through a circuit and attenuate all other frequencies above or below the desired band?

Description : What type filter is used to allow a narrow band of frequencies to pass through a circuit and attenuate all other frequencies above or below the desired band?

Last Answer : Bandpass.

What do you mean by active filter? State its advantages over passive filter . Define pass band & stop band with respect to filter.

Description : What do you mean by active filter? State its advantages over passive filter . Define pass band & stop band with respect to filter.

Last Answer : Active Filter: Active Filter is formed by using active element along with the passive components.  Advantages of Active filter over Passive filter: High value of pass band gain can be obtained. It is ... pass band.  Stop Band Filter: The frequency range which is attenuated is known as stop band.

What's the function of a band pass filter

Last Answer : Passes a certain range of frequency.

A band pass filter is that which

Description : A band pass filter is that which

Last Answer : A band pass filter is that which passes signals between two frequency limits

A 3 phase 50 Hz induction motor has full load speed of 970 rpm. Calculate no of poles and slip frequency.

Description : A 3 phase 50 Hz induction motor has full load speed of 970 rpm. Calculate no of poles and slip frequency.

Last Answer : The number of poles in an induction motor can be calculated using the following formula: No. of poles = (120 * frequency) / speed In this case, the number of poles would be calculated as follows: No. of poles = ( ... ) - 50 Hz = 8.08 Hz So the motor has 6 poles and a slip frequency of 8.08 Hz.

Heating 235 g of water from 22.6 degrees C to 94.4 degrees C in a microwave oven requires 7.06x10^4 J of energy. If the microwave frequency is 2.88x10^10 Hz, how many quanta are required to supply the 7.06x10^4 J?

Description : Heating 235 g of water from 22.6 degrees C to 94.4 degrees C in a microwave oven requires 7.06x10^4 J of energy. If the microwave frequency is 2.88x10^10 Hz, how many quanta are required to supply the 7.06x10^4 J?

Last Answer : answer:Guidelines. I don’t mean to be the bearer of bad news…

The frequency of a source of sound is 200 hz.How many Times does it vibrate in 2 min? -Physics

Description : The frequency of a source of sound is 200 hz.How many Times does it vibrate in 2 min? -Physics

Last Answer : Hence, the source vibrates 12000 times in a minute, producing a frequency of 00 Hz.

which of the following animals could detect sound at a frequency of 67,000 hz? -General Knowledge

Description : which of the following animals could detect sound at a frequency of 67,000 hz? -General Knowledge

Last Answer : Dogs could detect sound at a frequency of 67,000 Hz.

The mean velocity of blood flow in the aorta during systole is 1.5 × 10–2 m / s. What is the frequency change in an instrument with a signal frequency of 105 Hz (speed of sound in blood, 1570 m / s)?

Description : The mean velocity of blood flow in the aorta during systole is 1.5 × 10–2 m / s. What is the frequency change in an instrument with a signal frequency of 105 Hz (speed of sound in blood, 1570 m / s)?

Last Answer : 1060 kg/m3, very close to pure water's density of 1000 kg/m3. The average adult has a blood volume of roughly 5 litres (11 US pt) or 1.3 gallons, which is composed of plasma ... .4 million (female) erythrocytes: Red blood cells contain the blood's hemoglobin and distribute oxygen. Mature red blood

A wire having a linear density `0.1 kg//m` is kept under a tension of `490N`. It is observed that it resonates at a frequency of `400 Hz`. The next hi

Description : A wire having a linear density `0.1 kg//m` is kept under a tension of `490N`. It is observed that it resonates at a frequency of `400 Hz`. The next hi

Last Answer : A wire having a linear density `0.1 kg//m` is kept under a tension of `490N`. It is observed that it resonates at a ... 0.6 m` C. `0.49 m` D. `0.7 m`