answersLogoWhite

0

If you subtract from the carrier frequency the frequency of the tone that modulates it, then filter out the carrier frequency, then you have a lower sideband frequency. If you add to the carrier frequency, filter out the carrier, then you have an upper sideband frequency.

User Avatar

Wiki User

12y ago

What else can I help you with?

Continue Learning about Electrical Engineering

Why is the single sideband suppressed carrier version of amplitude modulation is not used for the sound broadcasting and television broadcasting?

A single sideband receiver have a BFO (Beat Frequency Isolator) that is generating the other half side of the original audio. The BFO is hand tuned to clarify the audio to, as close as possible to the original sound. An automatic clarifier is not really possible therefore music and voices never sound the same as the original.


Examples of Double SideBand and Single SideBand applications Elaborate your answers?

Explain the difference between the various forms of a.m & f.m and which jutifies the radio station's choice of modulation for each waveband?


The total power content of an AM signal is 1000W Determine the power being transmitted at the carrier frequency and at each of the sidebands when the percent modulation is 100 percent?

In Double Sideband AM (DSB-AM) modulation, two thirds of the power is consumed by the carrier, so 667W would be transmitted at the carrier frequency. The remaining 333W is split equally between the two sidebands, each being mirror images of each other.


Underground cable the distortion in the transmission of carrier frequency can be eliminated by using?

In an underground cable, the distortion in the transmission of carrier frequency can be eliminated using inductive loading. This distortion causes a delay which will result into a variance of frequencies.Ê


What causes the gain of OP AMP to roll off after a certain frequency is reached?

A: Any amplifier will reach a frequency cut off point because of hindered circuit capability however the roll of bust be controlled especially when reaching oDB point must be at a -3 db roll off to prevent hi frequency oscillation

Related Questions

How do you calculate frequency range of double side band modulated signal?

Upper sideband = Carrier frequency + modulating frequencyLower sideband = Carrier frequency - modulating frequency


What is the difference between the side band and a side frequency?

In radio communication, a sideband refers to the band of frequencies containing the signal that is beside (or adjacent to) the carrier frequency. A side frequency, on the other hand, refers to a specific individual frequency within a sideband. Think of the sideband as a range of frequencies and a side frequency as a single frequency within that range.


What are three frequency components of an am wave?

The three frequency components of an amplitude modulation (AM) wave are the carrier frequency, the upper sideband frequency (carrier frequency + modulating frequency), and the lower sideband frequency (carrier frequency - modulating frequency). These components are responsible for carrying the signal information in an AM wave.


What is the significance of upper sideband in the context of radio frequency communication?

Upper sideband in radio frequency communication is significant because it carries the majority of the information being transmitted. By transmitting only the upper sideband, the bandwidth required for communication is reduced, making the transmission more efficient. This is important for optimizing the use of limited frequency spectrum and ensuring clear and reliable communication.


If the frequency in AM does not change then how are these sidebands formed?

The process of changing the amplitude of the "carrier" so as to add information to it (modulation) doesn't change the frequency of the carrier. But it does create energy at two other newfrequencies.The new frequencies are equal to (carrier frequency) plus and minus (the modulating frequency). These are referred to as the upper and lower sidebands.The upper sideband is an exact copy of the modulating signal, but with every component of it shifted up by an amount equal to the carrier frequency. The lower sideband is a mirror image of the upper sideband, with every frequency component in it reflected about the carrier frequency.


What is vestigial side band transmission?

Vestigial sideband (VSB) is a type of amplitude modulation ( AM ) technique (sometimes called VSB-AM ) that encodes data by varying the amplitude of a single carrier frequency . Portions of one of the redundant sidebands are removed to form a vestigial sideband signal - so-called because a vestige of the sideband remains.


When was Shasta sideband created?

Shasta sideband was created in 1933.


What is analog modulation?

Analog modulationIn analog modulation, the modulation is applied continuously in response to the analog information signal.Common analog modulation techniques are:Amplitude modulation (AM) (here the amplitude of the modulated signal is varied) Double-sideband modulation (DSB) Double-sideband modulation with unsuppressed carrier (DSB-WC) (used on the AM radio broadcasting band)Double-sideband suppressed-carrier transmission (DSB-SC)Double-sideband reduced carrier transmission (DSB-RC)Single-sideband modulation (SSB, or SSB-AM), SSB with carrier (SSB-WC)SSB suppressed carrier modulation (SSB-SC)Vestigial sideband modulation (VSB, or VSB-AM)Quadrature amplitude modulation (QAM)Angle modulation Frequency modulation (FM) (here the frequency of the modulated signal is varied)Phase modulation (PM) (here the phase shift of the modulated signal is varied)


What is the significance of the side band in the context of radio frequency communication?

The sideband in radio frequency communication is important because it carries the actual information being transmitted, such as voice or data. It is created when a carrier signal is modulated with the input signal, allowing for the transmission of information over the airwaves. The sideband contains the encoded message that is decoded by the receiver, making it a crucial component of radio communication.


Am single-sideband full carrier?

single sideband full carrier


What is narrow band modulation frequency?

When the frequency sensitivity of the modulating signal is small,the bandwidth of the FM is narrow. The narrowband FM has one carrier term two sideband terms.The modulation index is also small compared to one radian.


How single sideband is being generated?

In regards to the radio transmission mode, SSB is an improvement of AM, and there are generally three ways single sideband can be generated -- filtering out the unwanted sideband and suppressing the carrier; using phasing to suppress the unwanted sideband and carrier (Hartley modulator); or quadrature mixing and filtering (Weaver modulator).