Radio Reduced
Radio Reduced
a capacitor is frequently placed across a 110V line to reduce the noise in radios?
a capacitor is frequently placed across a 110V line to reduce the noise in radios.what is the smallest voltage such a capacitor should have?
110 VAC is the rms voltage that is an effective equivalent to 110VDC.
The 110 VAC voltage actually gets to a higher peak voltage of
1.414 x 110 = 155.54 volts peak
These higher peak voltages although brief in duration can damage a capacitors dielectric insulation if the peak voltage exceeds the working voltage of the cap
You could also add a safety factor of at least 10%(or more) so a cap rated no less than 175 would be required. Higher voltage rated caps (200v for example) would work and provide an added measure of safety
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Radio based phones that can send and receive voice signals have become the rage in the world of wireless communication. While they are similar to mobile phones, the condition with such radio phones is that you can either receive or send voice signals at a given time.
The 2 way radios popularly known as walkie-talkie have a push- to- talk or (Press to Transmit) button to activate the transmitter. There radios can be classified into 2 categories: the first type operates on Family Radio Service (FRS) and the second operates on General Mobile Radio Service (GMRS). For personal use, FRS radios are used and they are inexpensive as compared to GMRS. If weather permits, they can transmit signals within a maximum range of 2 miles. GMRS radios, on the other hand are more expensive, but have a higher connectivity range and can transmit signals to a maximum distance of 10 miles.
These radios come with several features. These features include the use of private code to protect the system from being caught by any other radio users, system of reduced eavesdropping and different ways of getting call alerts if a new message is on its way. Some highly efficient radios are endowed with features like barometer, thermometer, digital compass, AM/FM radio and GPS navigation unit.
These radios help the user to stay connected wirelessly. Not only that, they are cost effective too. Another benefit of 2 way radios is that they are very user-friendly. To add to that, their batteries are very durable and can be carried anywhere quite easily. Those parents who cannot afford costly mobile phones for their children can give them the radios for staying connected.
Interesting to note is the fact that initially these radios were being used only by the defense forces and police but now have trickled down to the masses and become hugely popular.
About the Author:
Jayson Pablo, a dedicated writer of Rupizcompare.co.uk which provide information on consumer electronics like Motorola walkie talkie.
Article Source: ArticlesBase.com – 2 Way Radios – the Best Walkie Talkie