The present invention provides a method for determining nonlinear distortion of a transmitter. A test symbol sequence is transmitted from the transmitter under test as an
distortion power density is 25 dB below desired power density 0 dBFS, continuous wave (CW) tone into 50 Ω load, 0 dB transmitter attenuation dBm 75 MHz < f ≤ 600 MHz dBm 600 MHz < f ≤ 3000 MHz dBm 3000 MHz < f ≤ 4800 MHz dBm 4800 MHz < f ≤ 6000 MHz 0 dB transmitter ...