What is the output frequency of an upper-sideband  parametric-frequency converter?

1 Answer

Answer :

The sum of the input frequency and the pump frequency.

Related questions

Description : In a nondegenerative parametric amplifier the difference between the input frequency and the pump frequency is called what?

Last Answer : Idler- or lower-sideband frequency.

Description : The pump signal frequency must be of what value when compared to the input signal of a simple parametric amplifier?

Last Answer : Exactly double the input frequency.

Description : How many sidebands are present in the J3E mode? A. Two sidebands and a carrier B. One upper sideband C. One lower sideband D. Two carriers and one sideband

Last Answer : B. One upper sideband

Description : For AM, fc =500kHz , fm = 5 kHz Determine: (i) Upper and lower sideband frequencies (ii) Bandwidth

Last Answer : Given data fc = 500KHz , fm = 5KHz USB =fc+fm USB = 500+5  =505 KHz. LSB =fc – fm LSB = 500 – 5  =495 KHz Bandwidth = 2fm .  = 2* 5 =10 KHz

Description : What is the advantage of single-sideband (ssb) transmission over AM transmission?

Last Answer : The same amount of intelligence can be transmitted with one sixth of the output power with less than one-half the bandwidth.

Description : With a single modulating tone, what is the amplitude of the sideband frequencies at 100-percent modulation?

Last Answer : One-half the amplitude of the carrier.

Description : What is the primary difference between the pump signal of a simple parametric amplifier and the pump signal of a nondegenerative parametric amplifier?

Last Answer : The pump signal of a nondegenerative parametric amplifier is higher than twice the input signal.

Description : What is the purpose of the pump in a parametric amplifier?

Last Answer : Supplies the electrical energy required to vary the capacitance.

Description : What is the most important feature of the parametric amplifier?

Last Answer : The low-noise characteristic.

Description : The underlying principle of operation of the parametric amplifier is based on what property?

Last Answer : Reactance.

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

Description : Which determines the number of sideband components of FM? A. Modulation frequency B. Modulation index C. Carrier frequency D. All of these

Last Answer : B. Modulation index

Description : What are the upper and lower frequency limits of an amplifier?

Last Answer : The half-power points of a frequency-response curve. The upper and lower limits of the band f frequencies for which the amplifier is most effective.

Description : hat establishes the value of the current that flows in the output of figure 4-43?

Last Answer : The frequency of the voltage input.

Description : What controls the output frequency of a magnetron?

Last Answer : . The resonant cavities.

Description : What is the frequency of the output voltage of an alternator with four poles that is rotated at 3600 rpm?

Last Answer : 120 Hz.

Description : What two factors determine the frequency of the output voltage of an alternator?

Last Answer : Speed of rotation and number of poles.

Description : The first converter is also known by what other name?

Last Answer : Front end.

Description : What are the functions of a converter-comparator group?

Last Answer : The comparator compares the signal strengths from the receivers and the converter converts the frequency-shift rf signal into a tty set dc loop control signal.

Description : What is the function of a converter?

Last Answer : Converts the audio signal to dc pulses.

Description : What is the discharge rate for the capacitor in a pcm converter?

Last Answer : It will discharge to one-half its value between pulses.

Description : For 100% modulation, power in each sideband is ________ of that of carrier? a) 50% b) 70% c) 60% d) 25%

Last Answer : Ans: D

Description : What is the emission designation of a single sideband reduced carrier signal? A. H3E B. J3E C. R3E D. B8E

Last Answer : C. R3E

Description : Refers to the first symbol in an emission designation with an amplitude modulated main carrier represented by letter H. A. Single sideband suppressed carrier B. Double sideband full carrier C. Independent sideband D. Double sideband

Last Answer : B. Double sideband full carrier

Description : Type of modulation used in TV broadcast visual transmitter. A. Pulse modulation B. DSBFC C. Vestigial sideband D. SSBFC

Last Answer : C. Vestigial sideband

Description : A form of single sideband emission where the degree of carrier suppression enable the carrier to be reconstituted and be used for demodulation. A. Half carrier single sideband emission B. Full carrier single sideband emission C. Reduced carrier single sideband emission D. Double sideband emission

Last Answer : C. Reduced carrier single sideband emission

Description : In the designation of bandwidth and emission, what letter in the first symbol represents a double-sideband type of modulation? A. A B. B C. C D. H

Last Answer : A. A

Description : A single sideband emission in which the degree of carrier suppression enables the carrier to be reconstituted and to be used for demodulation. A. Reduce carrier single sideband emission ... single sideband emission C. Full carrier single sideband emission D. Standard single sideband emission

Last Answer : A. Reduce carrier single sideband emission

Description : Which transmit only one sideband? A. A3E B. 3AJ C. 11BE D. H3E

Last Answer : D. H3E

Description : Which symbol indicates that only one sideband is transmitted? A. A3E B. B8E C. C3F D. H3E

Last Answer : D. H3E

Description : ECE Board Exam March 1996 The letter-number designation B8E is a form of modulation also known as ___________. A. pilot carrier system B. independent sideband emission C. lincomplex D. vestigial sideband transmission

Last Answer : B. independent sideband emission

Description : In an amplitude modulated waveform, the amplitude of the sideband is

Last Answer : 1/2 carrier amplitude x modulation index

Description : Where online can I learn about parametric functions?

Last Answer : http://www.tutorvista.com/math/study-types-of-differentiation

Description : ……… are also called as parametric subroutines a.Micro b.Macro c.Sub Macro d.Sub Micro

Last Answer : b.Macro

Description : Which of the following is not a method to describe a curve mathematically? a.Explicit form b.Laplace form c.Implicit form d.Parametric form

Last Answer : b.Laplace form

Description : Find parametric equation for Y-coordinates of Hermite cubic spline curve having endpoints P0[4,4]; P1[8,5] a.2u3-3u2+2u+4 b.3u3-2u2-2u-4 c.2u3-3u2-2u-4 d.2u3+3u2+2u+4

Last Answer : a.2u3-3u2+2u+4

Description : Find parametric equation for X-coordinates of hermite cubic spline curve having endpoints P0[4,4]; P1[8,5] a.-5u3+8u2+u+1 b.5u3+8u2+u+1 c.8u3-5u2-u+1 d.8u3+5u2+u+1

Last Answer : a.-5u3+8u2+u+1

Description : Parametric equation for circle a.X=x+Rcosu; Y=y+Rsinu; Z=z b.X=Rcosu; Y=Rsinu; Z=z c.X=x+Rsinu; Y=y+Rcosu; Z=z d.X=Rsinu; Y=y+Rcosu; Z=z

Last Answer : a.X=x+Rcosu; Y=y+Rsinu; Z=z

Description : Two lines L1 and L2 having Parametric equations are P1=[3 4 7]+u[2 2 -6] and P2=[15 -2]+u[1 4 2]. Tangent vector for line L1 a.2i+2j-6k b.2i+2j+6k c.2i-2j-6k d.6-2j-2k

Last Answer : a.2i+2j-6k

Description : Write parametric equation of line having end points P1(3,5,8) and P2 (6,4,3). a.[3 5 8]+u[3 -1 -5] b.[3 5 8]+u[3 1 5] c.[3 8 5]+u[3 -1 -5] d.[3 5 8]+u[-3 1 5]

Last Answer : a.[3 5 8]+u[3 -1 -5]

Description : What is a parametric test ?

Last Answer : In this case, the value of the aggregate parameter is assumed to be a value of aggregate parameters. Later it is checked whether the conjecture is true or false. This method of verifying hypotheses is called ... tests in the parametric test are Z test , T test , Ky -square test and F test.

Description : What is a parametric test ?

Last Answer : In this case, the value of the aggregate parameter is assumed to be a value of aggregate parameters. Later it is checked whether the conjecture is true or false. This method of verifying hypotheses is called parametric testing.

Description : How do you compare parametric and non-parametric analysis?

Last Answer : In parametric analysis the underlying distributions of thevariables are described by parameters. These may be known or it maybe possible to estimate them from the observed data. Innon-parametric analyses, ... not used - eitherbecause they cannot be derived or because the tests do not requirethem.

Description : What should I know about parametric equalizers?

Last Answer : Parametric equalizers are electronic devices which let a person adjust the level and frequency of a sound. These devices are used by audio engineers in sound recordings.

Description : Considers the total cost of ownership, or development plus support costs, for a project. A. Learning Curve Theory B. Life Cycle Costing C. Parametric Modeling D. Rate of Performance

Last Answer : B. Life Cycle Costing

Description : Which one of the following is not a non-parametric test ? (A) t-test (B) Sign test (C) Chi-square test (D) Run test

Last Answer : Answer: A

Description : The importance of the correlation co-efficient lies in the fact that: (A) There is a linear relationship between the correlated variables. (B) It is one of the most valid measure of statistics. ... of the association be tween two variables. (D) It is a non-parametric method of statistical analysis.

Last Answer : (C) It allows one to determine the degree or strength of the association be tween two variables.

Description : Is this Component to HDMI converter enough to see my ps2 output on my computer monitor?

Last Answer : Basically, that is what you need to convert the video from the PS2 analog signal to your PC Monitor's digital screen via HDMI. Depending on your monitor's specifications, you may be able to ... resolution in HDMI mode that will show pillars at both ends of the screen representing the unused pixels.

Description : The 'E/P converter' shown in the illustration receives a _____________. EL-0096 A. steady pressure signal and produces a programmed electrical output B. variable electrical signal ... an inverse temperature correction D. variable pressure signal and produces a corresponding electrical output

Last Answer : Answer: B

Description : What do you call a circuit that controls the magnetron output? A. Inverter B. Impeller C. Modulator D. Converter

Last Answer : C. Modulator