U_bias=28.5 V	U_bias=29 V	U_bias=29.5 V
U_bias=30 V	U_bias=30.5 V	U_bias=31 V
U_bias=31.5 V	U_bias=32 V	U_bias=32.5 V
U_bias=33 V	U_bias=33.5 V	U_bias=34 V