Most people wire all of their home theater loudspeakers to their home theater receiver by purchasing long loudspeaker cables. Some people, however, make use of cordless surround sound systems to eradicate at least the long speaker cable between their Home theater receiver and rear speakers. Next, let me focus on the power supplies which provide those cordless systems with energy plus talk about a few of the most important prerequisites which these power supplies have to satisfy.
Wireless surround sound products include a transmitter unit which connects to a home entertainment receiver and also one or several wireless receiver modules. While these systems eradicate the dreadful speaker cord, they are certainly not really cordless mainly because both the transmitter and receiver need to be powered. You will find different choices which supply the cordless receiver with energy. One of those options is to employ an exterior AC adapter or wallwart that plugs into a mains wall socket. An alternative is to make use of a power source that is fully incorporated into the wireless receiver.
By using a wallwart, the wireless receiver can be significantly smaller in size. A few other kinds attach to the mains wall socket through a power cord. The majority of today's notebook computers make use of a similar wallwart. Combining a separate wallwart is really practical from the maker's viewpoint because regardless what region the product is distributed to, a country-specific ac adapter can be included. Secondly, ac adapters are less difficult and significantly less costly to safety approve when compared with entire kits. Furthermore, when a power supply becomes faulty, it is simpler as well as less costly to change only the power supply than the complete unit. In the event the power supply is incorporated into the wireless receiver, the product will get a little more bulky. Then again, the power cord of the receiver can be directly connected to an outlet. Thus the setup gets a little less complicated.
The power source has to satisfy the regional safety regulations in addition to a few other requirements. You will find a number of safety criteria in different countries. Having said that, these requirements are made with the safety of the user in mind. One factor included in almost all regulations is how well the consumer is insulated from potential electrical shock. In addition, the power supply must not get too hot during typical function and also have ample protection just in case of an overload. Power supplies that have passed safety assessments normally bear a UL or CE logo. If the power source is integrated into the wireless receiver then the receiver carries the logo.
Yet another essential requirement would be that the power supply supply adequate current to the built-in cordless signal receiver and also power amplifier. The power source must be dimensioned big enough to offer the music amp with adequate current to be able to drive an attached speaker at the specified RMS power level for at least 10 minutes. The RMS way of measuring just isn't that practical though. It really is much more crucial for the power source to sustain short bursts of large current. These bursts happen in peaks within the audio signal. One more prerequisite is that the power source voltage must be fairly constant and also have as little ripple and noise as possible. A handful of music amps will be able to make up for power source ripple and noise. Linear power sources generally possess the least amount of noise. However, linear supplies can be rather heavy and bulky. The majority of power sources are switch-mode power supplies. The supply voltages of the RF receive and power amp sections are often different. Switched-mode power supplies typically offer various supply voltages and possess a number of protection mechanisms such as heat and overload safeguards.
Wireless surround sound products include a transmitter unit which connects to a home entertainment receiver and also one or several wireless receiver modules. While these systems eradicate the dreadful speaker cord, they are certainly not really cordless mainly because both the transmitter and receiver need to be powered. You will find different choices which supply the cordless receiver with energy. One of those options is to employ an exterior AC adapter or wallwart that plugs into a mains wall socket. An alternative is to make use of a power source that is fully incorporated into the wireless receiver.
By using a wallwart, the wireless receiver can be significantly smaller in size. A few other kinds attach to the mains wall socket through a power cord. The majority of today's notebook computers make use of a similar wallwart. Combining a separate wallwart is really practical from the maker's viewpoint because regardless what region the product is distributed to, a country-specific ac adapter can be included. Secondly, ac adapters are less difficult and significantly less costly to safety approve when compared with entire kits. Furthermore, when a power supply becomes faulty, it is simpler as well as less costly to change only the power supply than the complete unit. In the event the power supply is incorporated into the wireless receiver, the product will get a little more bulky. Then again, the power cord of the receiver can be directly connected to an outlet. Thus the setup gets a little less complicated.
The power source has to satisfy the regional safety regulations in addition to a few other requirements. You will find a number of safety criteria in different countries. Having said that, these requirements are made with the safety of the user in mind. One factor included in almost all regulations is how well the consumer is insulated from potential electrical shock. In addition, the power supply must not get too hot during typical function and also have ample protection just in case of an overload. Power supplies that have passed safety assessments normally bear a UL or CE logo. If the power source is integrated into the wireless receiver then the receiver carries the logo.
Yet another essential requirement would be that the power supply supply adequate current to the built-in cordless signal receiver and also power amplifier. The power source must be dimensioned big enough to offer the music amp with adequate current to be able to drive an attached speaker at the specified RMS power level for at least 10 minutes. The RMS way of measuring just isn't that practical though. It really is much more crucial for the power source to sustain short bursts of large current. These bursts happen in peaks within the audio signal. One more prerequisite is that the power source voltage must be fairly constant and also have as little ripple and noise as possible. A handful of music amps will be able to make up for power source ripple and noise. Linear power sources generally possess the least amount of noise. However, linear supplies can be rather heavy and bulky. The majority of power sources are switch-mode power supplies. The supply voltages of the RF receive and power amp sections are often different. Switched-mode power supplies typically offer various supply voltages and possess a number of protection mechanisms such as heat and overload safeguards.
No comments:
Post a Comment