The Keysight 11667B power splitter is recommended when making wideband ratio measurements using a Keysight 8757 scalar network analyzer. This two-resistor type power splitter provides excellent output SWR at the auxilliary arm when used for source leveling or ratio measurement applications. The tracking between output arms over a frequency range from dc to 26.5 GHz allows wideband measurements to be made with a minimum of uncertainty.