BEGIN Electronics

Amplifier & Receiver

Spurious Free Dynamic Range Calculator

Calculate the SFDR of a receiver from its input third-order intercept point and minimum detectable signal.

dBm

Result

Enter the inputs above and select Calculate.

Formula: SFDR = ⅔ · (IIP3 − MDS)

SFDR is the window between the noise floor and the level at which third-order intermodulation products rise above it.