Selectivity measurements in the production and maintenance of mobile communications receivers

Selectivity measurement techniques, specifications and test equipment requirements for evaluating selectivity in mobile communications receivers are discussed. The trend to greater Government regulation of receiver performance, the anticipated growth of the mobile radio market, and the pressures to increase the cost efficiency of technical personnel will combine to intensify the need for new techniques and equipment capable of more rapid comprehensive evaluation of communication equipment performance. The advent of programmable test equipment and the rapid advancement in micro-computer technology will introduce a new level of sophistication to mobile radio manufacturing test and maintenance procedures.