The invention relates to a method and system for wideband digital pre-distortion linearization, which is used to overcome the influence of memory effect in radio frequency power amplifier, to expand digital pre-distortion linearization bandwidth, and to improve digital pre-distortion linearization performance. The system can also include a close-in tone mismatch estimator configured to determine a correlation and a power estimate for the set of close-in tones in the IADC signal in response to the trigger signal. A conductor of the lead may be mounted within the second length of the conductive wire, for coupling thereto, and a junction, preferably including a crimp and a weld, may be formed between the wire and the mounted conductor. When the ink cartridge is determined to be appropriate, the lock mechanism is unlocked and the ink cartridge can be installed into the printing apparatus.