1 Answer

Answer :

Amplitude / Frequency Modulation.

Related questions

Last Answer : AM / FM - Amplitude / Frequency Modulation.

Last Answer : AM - Ante Meridiem which means "before noon"

Last Answer : Full form of AM - Ante meridian.

Description : Write full form of FM and AIR. -Technology

Last Answer : FM – Frequency Modulation and AIR – All India Radio.

Description : What is the full form of 'FM' ? -How To ?

Last Answer : The full form of 'FM' is Financial Managerment

Description : What is the full form of 'FM' ? -How To ?

Last Answer : The full form of 'FM' is Finance Manager / Field Marshal

Description : Are your radio stations that FM is religious and country music and AM urban and rock and roll?

Last Answer : Just the opposite here. Music (top 40, oldies, etc.,) are all on FM because the sound is so much cleaner and immune to static. AM gets sports, preachers, and talk radio, because sound quality isn’t that important.

Description : Can you suggest a good FM/AM radio?

Last Answer : Car radios are pretty good at picking up weak signals. In my house, I have a separate tuner and amplifier, and I can’t pick up signals that my car radio picks up with ease.

Description : What's a quick, easy and inexpensive way to boost the am/fm signal to my home radio?

Last Answer : These are rated pretty high by customer reviews, it only does FM. if you don’t like it it can be returned for a refund. http://www.amazon.com/Terk-Outdoor-Dual-Drive-Amplified-Antenna/dp/B00009UHYQ/ref=sr_1_1?ie=UTF8&qid=1422930976&sr=8-1&keywords=terk+fm+50

Description : Where can I buy a table top radio, with remote, that receives HD, AM and FM bands?

Last Answer : I was recently shopping for a new radio, too, and did some research, but nowhere could I find one with the kind of high-end features you want for less than hundreds. This Bose is a wonderful radio, but unfortunately, costs 3X. This if one of the lists I was looking at.

Description : Could someone give a simple high level explanation of what is meant by AM and FM?

Last Answer : Well, have a look at this picture

Description : Generally, what do you get from AM radio that you don't get on FM radio, and vice versa?

Last Answer : I love the smooth, clear sounds of FM and loathe the shrill commercials of AM radio.

Description : I was wondering if there are any bluetooth mp3 players that have am/fm radio?

Last Answer : Here’s one, but without the AM frequency . . . http://www.google.com/products/catalog?hl=en&q=portable+bluetooth+mp3+player&show=dd&cid=6021463648594635818&sa=title&os=tech-specs

Description : Do you listen to the regular AM/FM radio still?

Last Answer : I listen to the radio almost never. I listen to mp3 audio books.

Description : Can I set the Sony ICFCD7000 AM/FM/CD clock radio to play my favorite CD track each time the alarm rings in the morning?

Last Answer : It can play the first song on your CD to wake you up in the morning.

Description : Is there a portable CD player with an AM/FM radio?

Last Answer : There are several models that have AM/FM radios that are built into them.

Description : Can I use my FM transmitter to listen to AM channels?

Last Answer : If your iPod does not have an AM setting your cannot use it to listen to AM channels. You can use an FM transmitter for an IPOD to transmit music from your IPOD through your radio. Many of these will also charge your IPOD.

Description : Sound in TV is modulating - (1) AM (2) FM (3) PCM (4) PM

Last Answer : (1) AM

Description : Which does not use vertical polarization antenna? A. AM Broadcasting B. FM Broadcasting C. Mobile Communications D. Satellite Communications

Last Answer : B. FM Broadcasting

Description : What modulation is normally used with digital data? A. AM B. FM C. SSB D. QPSK

Last Answer : D. QPSK

Description : What type of modulation is used on voice and video signals? A. AM B. FM C. SSB D. QPSK

Last Answer : B. FM

Description : Most AM broadcasts employ ___ polarization while most FM broadcasts employ ___ polarization of the radio wave. A. vertical, vertical B. vertical, horizontal C. horizontal, vertical D. horizontal, horizontal

Last Answer : B. vertical, horizontal

Description : With which emission type is the capture-effect most pronounced? A. CW B. FM C. SSB D. AM

Last Answer : B. FM

Description : The final amplifier of either FM or AM transmitter operates as A. Class B B. Class C C. Class A D. Class D

Last Answer : B. Class C

Description : Both frequency and phase modulation utilize ________ modulation A. Phase B. AM and FM C. Digital D. Angle

Last Answer : D. Angle

Description : In_____ transmission, thephaseof the carrier signal is modulated to follow the changingvoltage level (amplitude) of the modulating signal. A) AM B) PM C) FM D) none of the above

Last Answer : PM

Description : In_____ transmission, the frequency of the carrier signal is modulated to follow the changing voltage level (amplitude)of the modulating signal. The peak amplitude and phase of the carrier signal remainconstant,but as ... of thecarrier changes correspondingly. A) AM B) PM C) FM D) none of the above

Last Answer : FM

Description : In_____ transmission, thecarrier signal is modulated so that its amplitude varies with the changing amplitudes of the modulating signal. A) AM B) PM C) FM D) none of the above

Last Answer : AM

Description : Which of the following is not an analog-to-analog conversion? A) AM B) PM C) FM D) QAM

Last Answer : QAM

Description : AM and FM are examplesof ________ conversion. A) digital-to-digital B) digital-to-analog C) analog-to-analog D) analog-to-digita

Last Answer : analog-to-analog

Description : How do FM record electronics differ from AM (direct record) electronics?

Last Answer : Instead of recording the signal just as it appears at the recorder’s input, FM record electronics records a frequency-modulated carrier signal from a record oscillator (figure 5-4) onto the magnetic tape

Description : What is the major disadvantage of an fm signal as compared to an AM signal?

Last Answer : Wide bandpass.

Description : In a Doppler VOR (DVOR) the reference signal is _____, the bearing signal is ______ and the direction of rotation of the bearing signal is ______. a. AM, FM, anti-clockwise b. AM, FM, clockwise c. FM, AM, anti-clockwise d. FM, AM, clockwise

Last Answer : a. AM, FM, anti-clockwise

Description : Give the expression for modulation index for AM and FM.

Last Answer : 1.Modulation index for AM ma=Vm / Vc Where Vm is modulating voltage Vc is the carrier voltage 2.Modulation index for FM mf=δ /fm where δ is the deviation fm is the modulating frequency

Description : Differentiate between AM and FM on the basis of: (i) Definition (ii) Bandwidth (iii) Modulation Index (iv) Application

Last Answer : Compare AM and FM on the basis of i)Definition ii)Bandwidth iii) Wave propogation iv)Number of sidebands

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 : Write the IF value of (i) FM ratio recevier. (ii) MW band AM.

Last Answer : (i) 10.7 Mhz (ii) 455 Khz

Last Answer : AM=Amplitude modulation and  FM = Frequency modulation.

Description : Compare AM with FM with respect to following points: a) Definition. b) Modulation index. c) Bandwidth. d) Side band.

Last Answer : Parameters AM FM Definition It is the process in which the amplitude of carrier signal is varied in accordance with the instantaneous value of modulating signal keeping frequency and ... frequency deviation. Side band There are two sidebands Infinite number of sideband

Description : Indicate which one of the following is NOT an advantage of FM over AM? (1) Better noise immunity is provided (2) Lower bandwidth is required (3) The transmitted power is more useful (4) Less modulating power is required 

Last Answer : Indicate which one of the following is NOT an advantage of FM over AM? (1) Better noise immunity is provided (2) Lower bandwidth is required (3) The transmitted power is more useful (4) Less modulating power is required 

Last Answer : In AM the amplitude of carrier components remains constant, while in FM it does not remain constant.

Last Answer : S = study T = truthfullness ( truth) U = unity ( unity) D = discipline ( rule) E = economy ( economy) N = nationality ( nationality) T = training

Last Answer : National Academy for Primary Education

Last Answer : Words per minute Web Page Maintenance

Last Answer : MCB Full: Mauritius Commercial Bank.

Last Answer : MR Full: Mister

Last Answer : MS Full: Multiple Sclerosis.

Last Answer : B.Sc.ag Full: Bachelor of Science in Agriculture.

Last Answer : DSC Full: Digital Security Controls.

Last Answer : BCD Full: Binary Coded Decimal.