RF connectors are divided into three levels are how to divide the

Generally divided into three classes of RF connectors, please write down the definition of the three classes respectively: Class 0 - used to carry out transmission coefficient fine measurements of Class 1 and Class 2 RF connectors a fine mold manufacturing of the actual type of RF connectors, the results of fine measurements on the deviation caused by the results can be ignored. (Poor) manufacturing of steady-state cold and humidity exposure days 56 days 4.4 in the RF connector generally divided into three types of experiments in the RF connector, please write separately into three types of experiments to define: test type 1) class - with RF cable channel RF connector test type 2 class - - On both sides with the insertion of the frequency shift to require the transmission coefficient of a specified value of a radio frequency connector, generally required standard tolerances are not more stringent than the relative level 2 radio frequency connector, but must ensure that the radio frequency connector to consider the transmission coefficient of the provisions of the manufacturer is obliged to select the more stringent dimensional tolerances. The adapter test type 3) class - discomfort for transmission coefficient measurement of RF connectors for the characteristics of RF connectors, the key is divided into which three kinds of characteristics, please list four of the various characteristics: electrical equipment characteristics: such as impedance, transmission coefficient (operating voltage VSWR), contact resistance.

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