A gas turbine jet engine having a main flow channel and a housing structure which radially surrounds this main flow channel. The low jitter phase rotator includes a plurality of differential amplifiers configured to receive a plurality of input differential signals having different phases, and configured to generate a plurality of weighted signals responsive to the plurality of input differential signals. Thereafter, the at least one of the first power supply terminal and the second power supply terminal of each of the one or more SRAM cells is electrically connected to the power source.