- T -
THD vs Frequency 40, 66
THD vs Level 41, 68
THD+N 21, 40, 41, 66, 68
vs frequency 22
vs level 22
Total harmonic distortion and noise 21
vs frequency 22
vs level 22
- U -
UI 46, 49, 80
Unbalanced input 8
Unit interval 46, 49, 80
Upper band-edge frequency 26
