Page 320 - System on Package_ Miniaturization of the Entire System
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294    Cha pte r  F i v e


                                  0
                                                                     Path 1(S 21 )
                                  −1
                                                                     Path 2(S )
                                                                           31
                                Magnitude (dB)  −2

                                  −3

                                  −4

                                  −5
                                       28     30     32    34     36     38     40
                                                     Frequency (GHz)
                                                          (a)
                                  0
                                                                     Port 1
                                 −10                                 Port 2
                               Magnitude (dB)  −20
                                                                     Port 3



                                 −30

                                 −40

                                       28     30     32    34     36     38     40
                                                     Frequency (GHz)
                                                          (b)
                                   0
                                                                     Simulated
                                                                     Measured
                                Magnitude (dB) −10

                                  −20


                                  −30


                                  −40
                                        28    30     32    34     36     38     40
                                                     Frequency (GHz)
                                                          (c)
                    FIGURE 5.33  (a) Insertion loss, (b) return loss, and (c) isolation measurements [60] of the
                    K a -band power divider.
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