The type of power amplifier that exhibits crossover distortion in its output is Class B
Description : An operational amplifier has an open loop gain of 200,000. Its output exhibits saturation at 10V. The threshold differential voltage of the amplifier is A) 25 micro-volt B) 50 micro-volt C) 5 Volts D) 10 volts
Last Answer : An operational amplifier has an open loop gain of 200,000. Its output exhibits saturation at 10V. The threshold differential voltage of the amplifier is 50 micro-volt
Description : Explain the term crossover distortion. State methods to overcome it.
Last Answer : Explanation:- * Cross over distortion occurs in Class B push pull Amplifier. * In the push-pull configuration, the two identical transistors get into conduction, one after the other and the output ... transistors won t be OFF at the same time. The remedy is to use Class AB amplifier.
Description : An amplifier is said to suffer from distortion when its output is - (1) low (2) different from input (3) noisy (4) larger than its input
Last Answer : (3) noisy Explanation: Amplifier Distortion can take on many forms such as Amplitude, Frequency and Phase Distortion due to Clipping. For a signal amplifier to operate correctly without any distortion to the output signal, it requires some form of DC Bias on its Base or Gate terminal.
Description : Compare between class A and class B amplifier on the basis of (i) Efficiency (ii) Power (iii) Position of Q- point (iv) O/P distortion
Last Answer : Parameter Class A Class B
Description : What amplifier class of operation is the most inefficient but has the least distortion?
Last Answer : Class A.
Description : Which of the following amplifier has the least distortion. • Class E • Class D • Class C • Class A
Last Answer : Which of the following amplifier has the least distortion. • Class E • Class D • Class C • Class A
Description : Harmonic distortion of the signal is produced in an RC coupled transistor amplifier. The probable component responsible for this distortion is (A) The transistor itself (B) the power supply Vcc (C) the coupling capacitor Cc (D) the biasing resistors
Last Answer : Harmonic distortion of the signal is produced in an RC coupled transistor amplifier. The probable component responsible for this distortion is The transistor itself
Description : An amplifier has a voltage gain of 120. To reduce distortion, 10% negative feedback is employed. The gain of the amplifier with feedback is (1) 141 (2) 92.3 (3) 9.23 (4) 1.41
Last Answer : An amplifier has a voltage gain of 120. To reduce distortion, 10% negative feedback is employed. The gain of the amplifier with feedback is 9.23
Last Answer : A minimum-phase system with no zeros has a phase-angle of – 270° at gain crossover frequency. The system is unstable.
Description : Benefits of negative feedback include A. less distortion B. increased bandwidth C. low output resistance D. all of above
Last Answer : all of above
Description : When you are testing a piece of equipment for intermodulation distortion, what should the output of the equipment look like?
Last Answer : An exact reproduction of the input.
Description : How does dc bias added to the input signal correct the distortion in the output signal?
Last Answer : The dc bias moves the input signal away from the step in the magnetism curve. This prevents the input signal from crossing the zero-point of the magnetism curve.
Description : To get minimum harmonic distortion in the output, a 3-Ф to 3-Ф cyclo-converter requires : (A) 12 SCRs (B) 18 SCRs (C) 36 SCRs (D) 72 SCRs
Last Answer : To get minimum harmonic distortion in the output, a 3-Ф to 3-Ф cyclo-converter requires : 36 SCRs
Description : What type coupling is usually used to couple the output from a power amplifier?
Last Answer : Transformer coupling.
Description : Which of the following is a location analysi analysis technique chnique typically e cally employed mployed by a service organization? a. purchasing power analysis b. linear linear programming c. queuing theory d. crossover charts e. cost-volume cost-volume analysis
Last Answer : a. purchasing power analysis
Description : What is the Output voltage of Op-amp for input voltage of Vi1=150 μV,Vi2=140 μV if the amplifier has differential gain of Ad=4000 and value of CMRR is 100.
Last Answer : i don know
Description : Basic operating characteristics of the operational amplifier such as gain and stability are the function of its _____________. A. differential input stage B. power output stage C. feedback circuit D. supply voltages
Last Answer : Answer: C
Description : To provide its unique characteristics to analog circuits, the operational amplifier is made up of a/an ______________. A. voltage amp, current amp and output amp B. input amp, power amp and output amp C. scaling amp, power amp and voltage amp D. differential amp, voltage amp and output amp
Last Answer : Answer: D
Description : In the illustration, the component VR2 on the A1 AMPLIFIER MODULE is _________. EL-0060 A. a zener diode to regulate the +9 volt power supply from common B. a variable resistor diode to control the output to terminal ... 2 at 9.1 volts DC D. a tunnel diode with a breakdown voltage of 6.6 Volts DC
Description : In the illustration, the component VR1 on the A1 AMPLIFIER MODULE is _________. EL-0060 A. a zener diode to regulate the +9 volt power supply from common B. a variable resistor diode to control the output to ... terminal 9 at 6.6 volts DC D. a tunnel diode with a breakdown voltage of 6.6 Volts DC
Last Answer : Answer: A
Description : In the illustrated circuit, what is the phase relationship of the amplifier output compared to the input? EL-0022 A. 0° in-phase B. 180° out of phase C. phase angle of the input divided by power factor D. unable to determine without the value of the bias voltage
Last Answer : Answer: B
Description : Indicate the false statement. Noise figure is defined as A. the ratio of the S/N power supplied at the input terminal of a receiver or amplifier to the S/N power supplied to the output or ... under test, both working at the same temperature over the same bandwidth and fed from the same source
Last Answer : C. an unwanted form of energy tending to interfere with the proper and easy reception and reproduction of wanted signals
Description : One of the following is a high powered RF ac basic transmitter that has two or more stages, the oscillator stage which determines the frequency opereation and RF amplifier stage orstages that develop the ... to develop a good frequency stability. A. Goldsmith B. MOPA C. Alexanderson D. Hartley
Last Answer : B. MOPA
Description : What is meant by antenna gain? A. The final amplifier gain minus the transmission line losses (including any phasing lines present) B. The ratio of the amount of power produced by the antenna ... D. The numeric ratio relating the radiated signal strength of an antenna to that of another antenna
Last Answer : D. The numeric ratio relating the radiated signal strength of an antenna to that of another antenna
Description : Amplifier produces output with more A. power only B. voltage only C. current only D. power and voltage
Last Answer : power and voltage
Description : In the power amplifier shown in figure 2-10, what two signals are mixed to produce the output signal?
Last Answer : Local oscillator and coherent oscillator.
Description : Draw the single stage class A power amplifier circuit diagram and draw the input and output waveforms.
Last Answer : Circuit diagram:- Input / Output waveforms:-
Description : The main function of the transformer used in the output of a power amplifier is (A) To step up the voltage (B) to increase the voltage gain (C) to safeguard the transistor against overheating (D) to match the load impedance with dynamic output resistance of the transistor
Last Answer : The main function of the transformer used in the output of a power amplifier is to match the load impedance with dynamic output resistance of the transistor
Description : An amplifier has input power of 2 microwatts. The power gain of the amplifier is 60 dB. The output power will be
Last Answer : An amplifier has input power of 2 microwatts. The power gain of the amplifier is 60 dB. The output power will be 2 watts
Description : what type of car is a crossover SUV?
Last Answer : A crossover SUV is more of a SUV looking car. Examples are such as Mini, Compacted, & Mid-sized CUVs. Others are Semi off roaders, Minivan, and also Sedan derived.
Description : If current gain is required from an rf amplifier, what type of component should be used as an output coupling element?
Last Answer : A step-down transformer.
Description : A UJT exhibits negative resistance region : (A) Before the break point (B) Between peak and valley point (C) After the valley point (D) Both (A) and (C)
Last Answer : A UJT exhibits negative resistance region Between peak and valley point
Description : How well does Crossover Games and similar work on MacOSX?
Last Answer : Why would you want to replace a Perfectly Good Windows PC with a mac? Also, virtualisation of any kind, due to its very nature, always has compatibility issues and reduced performance. Do not do it.
Description : How do I design the passive crossover for a 4-way professional quality speaker?
Last Answer : I have no idea about your problem.. But if I had your problem I would ask here.
Description : Mouse pointer unaligned in Half Life 2 Deathmatch on CrossOver Games?
Last Answer : You should put in a support ticket to our tech support crew. jon parshall COO www.codeweavers.com
Description : What in the world is a crossover!
Last Answer : it means that it runs both biofuel and regular gas.
Description : Anyone playing TF2 on a Macbook using Crossover?
Last Answer : I run all kinds of steam games including TF2 using boot camp…I don’t think I’d ever try and run a game using my VMware software even if people said it worked. for the sake of the game running better, I would use boot camp with windows XP.
Description : What’s a crossover between two franchises you would like to see and atucally be good?
Last Answer : They floated the idea of a Jump Street / Men in Black crossover and I really think that kind of action/comedy/satire with Lord & Miller at the helm could work.
Description : How is crossover Ethernet cable different from rest of the Ethernet cables? -Technology
Last Answer : A crossover cable is a special type of Ethernet cable specially designed for connecting two computers, whereas most Ethernet cables are designed to connect one computer to a router or a switch.
Description : When homologous chromosomes crossover what occurs? -Biology
Last Answer : answer:
Description : What are the advantages of crossover cabling?
Last Answer : 1. Easy to set2. Inexpensive to set up.
Description : What pair of chromosome doesn't go through crossover or recombination?
Last Answer : Need answer
Description : Do I need crossover cables for hubs and switches?
Last Answer : An eathernet cross over cable is suggested when using a hub.
Description : Who makes the best crossover SUV and are they made over seas or in the US?
Last Answer : Www.popularmechanics.com did a road test with seven crossovers to compare price, design, fuel economy and several other factors. This study also has information about in which country each crossover is produced.
Description : What is a crossover SUV and who makes the most reliable one?
Last Answer : The best crossover SUV's on the market today are Chev. Equinox,Ford Escape and Honda CV_R. I have no idea what the differences between these and regular SUV's are.
Description : What are some advantages of the crossover?
Last Answer : With a crossover, you get an upright seating position, which can improve outward visibility. You also get lots of interior space, and usually pretty good crash protection.
Description : Where would I purchase a Crossover SUV?
Last Answer : Crossover SUVs can be purchased online through sites such as eBay or Craigslist or direct from the manufacturer. You can also try car dealers in your area.