Anritsu Company introduces a software bundle for its MS269xA signal analyzers to improve efficiency during development of mobile phones and cellular base stations, as well as in other R&D applications. These new functions include spectrogram, spurious emissions measurements, phase noise measurements and AM/FM measurements to provide critical information during the development process, and to allow rapid evaluation during the product test cycle. The spectrogram function provides 3D displays of changes in frequency and power in time for signals up to 125 MHz wide. Suitable for measuring the stability of burst signals and transient interference signals, the spectrogram function allows the user to capture and evaluate the time-changing details of RF signals. These signal analyzers support all popular wireless technologies, including LTE, GSM, GPRS, EDGE, W-CDMA, HSPA and mobile WiMAX.