Included are systems and methods for performing a functionality test to an STT. At least one embodiment of a method includes storing at least one test pattern in a storage device, decoding the at least one stored test pattern, and sending the test pattern from a output port to an input port, the input port being coupled to at least one tuning device. Other embodiments include tuning, via the at least one tuning device, the STT according to the test pattern and converting the decoded test pattern to at least one output signal.