Interference and facts about radio control cars antenna

Jan 12
08:53

2012

LiuJiajia

LiuJiajia

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You can perform modification in radio control cars variable resistor in series with a capacitor of 2.5 UF, virtually any type of mixing equipment.

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At times,Interference and facts about radio control cars antenna Articles radio control cars may experience issues. There may be losses due to the use of an aerial drop cable often outweigh the gain from disposing the antenna on a roof. It is important that the transmitter power is found as well filtered, otherwise, it could cause unwanted feedback on UHF. In case of doubt the best system of feeding is a car battery.

Practical realization

The completion of the winding LI is performed using  copper wire or bare diameter 1 mm, five winding turns spaced about a form of l0 mm in diameter. The precise separation of the coils is obtained when inserting the coil in the circuit board holes provided for this purpose, in which the coil is inserted until the bottom of the coils base rests on the PCB. The tap will be obtained by soldering a bare wire, such as resistors terminal in use, in the third loop, so that they are two loops on both sides of the coil.

This jack is inserted into the hole provided the printed circuit. The care taken in these operations depends on the good performance of the issuer. The necessary adjustments are initiated by applying power to the sender with a value of 9 V to 12 V, 14 V also if the radio control cars transistors are provided with cooling fins. Receiver will be set between 88 and FM 108 MHz and then regulate the trimmer C10 until the disappearance of blowing between stations, indicating that the signal is being received from the issuer. At this point, R5 can be regulated so as to get the best sound taking into account the conditions of use of the microphone. Keep in mind however, that there are usually several positions in C10 for a radio control cars reception at the same point in the quadrant of the receiver. This is due to the phenomenon of image frequency and only one of the positions of C10 is correct.

Moving onto a basic final step, next is a 2200 microfarad electrolytic by 16Volts that may lead to 4700 microfarads for 25 volts so that the ripple is negligible. Ceramic radio control cars capacitors can also place you 100 and 10 residues to minimize RF. Note that to achieve an initial regulatory vacuum source (without charge) we will put in the output of +5 volts was resistance from 47 to 51 Ohms 3 Watts which consume only 100 MA and an output of 0, 5 Watts to be negligible.