Cobra Uniden Antenna Amplifiers Microphones Cb radio reviews modifications Cobra Uniden Antenna Amplifiers Microphones Cb radio reviews modifications Power wire hookup – battery or cigarette plug When hooking up a CB radio one of the many decisions to figure out is how to wire it up for power. The majority of CB radios have two wires, a positive wire red and a negative wire black. The positive wire needs a To do this often will require more wire than is provided with your CB radio. If you choose to wire your radio using this method you will want to make sure that any extra wire you purchase is of the same gauge or larger than the original manufacturer’s wire. Also, if adding additional wire to the stock wiring make sure you use solid connectors that completely cover and protect any connections from being exposed.
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However, most factory-build CBs only transmit between 4 and 12 watts of output power — fine for short distance communications over flat terrain, but often not enough for reliable communications over long distances, in mountainous areas, or during other less-than-ideal conditions. In combination with a good antenna an amplifier can overcome these shortcomings, leaving you with a robust, low-cost backup communication system when other infrastructure fails.
Power Of Different CB Radio Types CB radios come in many makes and models with different feature sets, including different numbers of channels and modulation modes. Older CBs used a 23 channel system, whereas modern band allocation gives 40 channels.
Distortion and amp simulation. If you find this information useful, please mention so other people learn this information and it becomes standard knowledge throughout the industry.
SWR doesn’t change with power levels. The accuracy of the meter reading the SWR can and does change with different power levels, that’s why you calibrate them. Good question, beats me! Odds say that the radio’s output impedance is ‘right’er than the typical amplifier’s. There are ‘rules’ about making radios, not about “CB” amplifiers.
So, which should you adjust for? Depends on how much you use that amplifier. If you use it all the time, then make the proper adjustments. If the difference isn’t all that much, and if you don’t use the amplifier that much, leave it alone. Where you make those ‘adjustments’ means a lot. If the amplifier’s output isn’t at least close to the radio’s hopefully around 50 ohms , then the problem is in the amplifier.
Fix the problem -where- the problem exists. All that assumes you’re taking the SWR measurements in the proper place.
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If so, I could keep the water-heater in the main panel and free up space in the panel another way. Seems reasonable to me. Most of the equipment won’t draw anywhere near the overcurrent rating, at least not during normal operation.
Hard To Find Configuration! This Splitter Box allows you to hook up both a CB radio tranceiver, & Car AM/FM Stereo radio, both directly to the existing automotive AM/FM antenna.
You do want to be careful not to hook up one that is too powerful, or you could have problems with the FCC. Hooking up a linear amp can boost that wattage to 10 or even 12 watts. The linear amps help the output of the transmission. Some CB radios are just weak as far as the signal is concerned. If you live or drive in secluded areas, you may need an amp to boost your transmission signal so that people farther away can hear you. If there are homes near you when you are using a linear amp, you could bleed over onto telephones, TV and radios.
Hook up the CB to a car or as a home base. Hook up the CB antenna, and make sure that the standing wave is correct. Do not hook up a linear amp if your SWR standing wave ratio is bad. This can only damage your radio. Place the linear amp in a position close to the unit. In a car, you can place the amp on the floor or mount it to the bottom of the CB radio using the side mount brackets.
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Share on Facebook A linear amplifier is installed inline between the antenna output of a CB radio and the antenna connected to the unit. The amplifier takes the output of the radio and boosts the signal, resulting in improved transmission distance in most cases. Linear amplifiers may be designed for home or mobile applications, with the primary difference being the power connections each requires. A linear amplifier can boost the output of a CB radio.
Step Place the amplifier near the radio, with 3 to 4 inches of ventilation space around the edges of the amplifier, for a home base. In a mobile application, find a spot that has several inches of ventilation room and is close to the radio.
Cb radio Cb antenna and Cb radio Cb accessories like Galaxy Cb radio, Cobra Cb Radio also Ranger, Magnum and Galaxy radios. Police scanner radios, radar detector, GPS, GMRS, FRS, Wilson antenna cellular phone booster, cellular amplifier and cellular antenna. Owners manual and schematic.
Share on Facebook A linear amplifier is installed inline between the antenna output of a CB radio and the antenna connected to the unit. The amplifier takes the output of the radio and boosts the signal, resulting in improved transmission distance in most cases. Linear amplifiers may be designed for home or mobile applications, with the primary difference being the power connections each requires.
A linear amplifier can boost the output of a CB radio. Step Place the amplifier near the radio, with 3 to 4 inches of ventilation space around the edges of the amplifier, for a home base. In a mobile application, find a spot that has several inches of ventilation room and is close to the radio. For an amplifier for mobile use, use a screwdriver and the accompanying mounting hardware to securely fasten the amplifier. Step Unplug the antenna connected to your CB radio.
Plug the antenna into the antenna jack located on the amplifier. Connect the plug or set of terminals on the other end of the jumper cable to the input jack on the amplifier. Step Plug the power cord of a home amplifier into a wall outlet, and switch the power on to operate the amplifier. For a mobile unit, attach the red and black power cords to the red and black power cables of your CB radio.
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This term is synonymous with fidelity, which is to increase the power level of an input signal without altering its content. Amplifier linearity is preserving the integrity of the complex modulation formats, in conjunction with bandwidth and efficiency, to achieve high data rates of transfer. Noise Amplifier noise refers to the signals in the system which are unwanted, leading to degradation of the signal content. An amplifier system divides the noise it receives at its input from the noise it generates itself.
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This requires a more robust antenna and electrical system than what might be used for the more common low powered or CB radio systems. The electrical system must be capable of delivering a constant 40 amps minimum of DC current at These radios must be wired with both red positive and blue negative wires direct to the battery with 8ga for up to 10 feet and 6ga. Attaching the negative lead to vehicle chassis ground will not work. When connecting a high power 10 meter radio to a DC power supply the power supply must be rated at a minimum of 40 amps constant at Some radio antennas that may have worked with lower powered models do not always mean they will work with high powered radios.
High powered radios tend to stress and expose any weak spots in the antenna system such as inadequate antenna grounds, cheap coax and poorly soldered coax connections. Magnet mount type antennas are never a good choice for high powered radios. Newer model Class 8 trucks with fiberglass cabs will not normally have good grounds supplied to the mirror mounts and may need to be retrofitted.
These antenna systems will not work with high powered radios.
Orders requiring technical work are shipped in about 3 to 10 days. Heads up- Many China made items are going way up in price due to tariffs. It’s tuning can make you or break you. When checking the SWR or the “Standing Wave Ratio”, you will be hooking up a simple form of a directional watt meter between your antenna and the CB radio. The meter measures Forward power to the antenna system and then compares it to the reverse or reflected power from the antenna system.
By checking the SWR at channels 1 and 40 on your CB, you will have a good idea if the antenna is too “long” or too “short” for the center of the desired band.
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The amp volt 2 pole 3 wire RV service The amp service for an RV is volt with a 3 prong receptacle and a single amp dedicated breaker. Click on photos to enlarge. Frequently it is confused for a NEMA 10—30 see below with disastrous results. Due to the appearance of the TT plug, many people assume that it is to be wired for volt, but this is a volt device. This service is very simple to wire just follow the color coding for the connections if marked and use the correct size wire.
Some receptacles do not have different color screws in that case attach the black wire at 5 o’clock or right hand side when looking at the BACK of the receptacle or the 7 o’clock frontal position the WHITE wire or neutral is connected to the silver screw or opposite side of the black wire and to the neutral bar in the panel. The above amp volt service will supply 3, watts. As long as all the wires are connected to the correct terminals and everything checks out it will work.
For a amp circuit, you can use gauge wire in most locales. For a long run, though, you should use the next larger size wire. Here’s a quick table for normal situations. Go up a size for more than foot runs, when the cable is in conduit, or ganged with other wires in a place where they can’t dissipate heat easily: