1412 THE BELL SYSTEM TECHNICAL JOURNAL, NOVEMBER 1956 



3 4 5 6 7 B 



X 



9 to \\ 12 13 14 



Fig. 4 — Gain contours for noninverting modulators. 



1.0 



0.9 



0.8 



0.7 



0.6 



0.5 



0.4 



0.3 



0.2 



0.1 



3 4 5 6 



7 6 9 10 11 12 13 14 



X 



Fig. 5 — Gain contours for inverting modulator. 



