The Application of MC145158 in A 150MHz Receivers

The MC145158-2 is the PLL(Phase Locking Loop) frequency synthesizer produced by Motorola.In the paper,the internal configurations and features of MC145158-2 are introduced,and a frequency synthesizer,possessing a high stability of frequency and a very high potentiality of wide application in mobile communication,is designed by means of by means of a 150MHz receiver.