How can I choose the best CB radio amplifier?
and CB Radio amplifier is a fixed or transistor device that can double or triple amplitude and increase the ratio of input/output wave, called profit. The types of amplifiers differ in the range in the range from about 3 to 30 MHz and up to 18 Gigahertz (GHz), usually in the amount of voltage that applies to the control grid. They may vary according to classes, band use, energy and noise. Determination of the best choice for your needs depends on careful understanding of the conditions of your most typical transmission areas, type of radio and antennas used, and a clear understanding of legal and social limits for your use of public communication belts. (Am) and frequency frequency modulation (FM). The output performance of these radios is usually limited by law. In the US, this limits the Federal Communication Commission (FCC) to 4 watts and 150 miles (about 241 km), although these radios usually operate an area of a short range of about 9 km (14 km).
Power is importantTeam factor when considering CB radio amplifier. One limiting performance factor is the total input power, which should be greater than expected. The increased constant output level depends on the input power, the voltage of the energy source and the AMP produced. For example, a 100 W amplifier could generate 14 amps of 12 V DC power supply, which would create 168 watts for 100 watts for antenna transmission. This input/output ratio is referred to as the amplifier efficiency.
amplifiers, as antennas, are called types of transmitters or receivers; This means that it differs as amplifiers of the transmitter frequency (RF) and RF amplifiers, also known as preliminary amperes. Numerous models differ in the band, the level of strength and noise. Ash -wide range of legally sold but not necessarily legally used radio amplifier products can make noise levels of 0.5 to 50 decibels. Three wide categories of products are variable profit, broadband and low noise types.
variable amplification of AMPS modulejujIncoming signals along the analog to digital (A/D). Broadband amplifiers reproduce signals in the pass without significant loss. Low noise amplifiers (LNA) give a constant profit over the frequencies above the noise of the perimeter to improve sensitivity and range. Power amplifiers give maximum power than voltage; These types of linear amplifiers provide a relatively increased output level for the extended range in the use of the field. With linear, I mean distance.
Other aspects to keep in mind when selecting the CB radio amplifier include its dynamic range, sensitivity to the entire belt, impedance and susceptibility to electromagnetic interference (EMI). There may also be a device analyzing the spectruming for optimization of the driving signal and removing the side bands. Modulation must be 100% or less; Overmodulation caused by too much energy creates a self -harmful interference. Signal leak not only disrupts the reception in the bandsCB, but also neighboring cable television and ham belts and can alert the authorities of any illegal use of equipment. Consider reading the ratio of stagnant waves (SWR), the length of the coaxial cable and one thing your system should have before thinking about the CB radio amplifier: good, well -placed antenna or two.