Most applications are used where rf signals are needed to be amplified to a high power level to send signals to the antennas. Transmission of radio signals for communciations is prime example.
Some examples of where our transistors are used.
** --- Paging Amplifiers base stations
** --- Cellular Phone base stations
** --- Manpack radios
** --- Vehicular radios
** --- Aircraft radios
** --- TV and FM radio stations
** --- MRI imaging equipment
** --- Plasma Reactors
** --- Broadband Power Amplifiers
** --- Laser Drivers