REFERENCE NOISE

The magnitude of circuit noise chosen as a reference for measurement. ( 188 ) Note: Many different levels with a number of different weightings are in current use, and care must be taken to ensure that the proper parameters are stated. See dBa , dBa(F1A) , dBa(HA1) , dBa0 , dBm , dBm(psoph) , dBm0 , dBrn , dBrnC , dBrnC0 , dBrn (f 1 -f 2 ), dBrn(144-line) , dBx .