qpsk modulators features switching speed ..................... 150 ns maximum phase accuracy ...................... 5 maximum amplitude balance ................. 0.75 db maximum outline drawing 0.225 [5.71] 1.09 [27.69] 0.45 [11.43] 0.125 [3.18] 1.31 [33.27] 1.56 [39.62] 0.10 [2.54] 2.38 [60.45] 1.75 [44.45] 0.120 [3.048] dia. thru typ. (3) places 0.26 [6.60] 0.78 [19.81] 1.30 [33.02] sma female connector typ. (4) places 0.38 [9.65] typ. (4) places specifications parameters model 127072 model 131008 function phase shifter, 2-bit (qpsk) phase shifter, 2-bit (qpsk) frequency range 2.2 2.3 ghz 13.3 14.1 ghz phase states 0 , 90 , 180 , 270 0 , 90 , 180 , 270 insertion loss 8 db maximum 8 db maximum vswr j1, rf input 2:1 maximum 2:1 maximum j2, rf output 3:1 maximum 3:1 maximum control ttl, 2 lines (e1, e2) ttl, 2 lines (e1, e2) switching speed 150 ns maximum 150 ns maximum phase accuracy 5 maximum 5 maximum amplitude balance 0.75 db maximum 0.75 db maximum dc power 5 v @ 75 ma maximum each 5 v @ 75 ma maximum each control logic e1 e2 state 000 0190 1 0 -90 1 1 180 environmental conditions operating temperature . . . . . . . . . . . . . . . . 0 to 70 c storage temperature . . . . . . . . . . . . . . . . . . -30 to +85 c general notes: 1. dimensions shown in brackets [ ] are in millimeters. 2. tolerance as follows: .xx = 0.01 [.xx = 0.25], .xxx = 0.005 [.xxx = 0.13] 21
|
