The MXP Series from Millitech is a range of high performance broadband mixers that operate from 26.5 to 140 GHz in seven waveguide bands from WR-28 through WR-08. The mixers have a LO drive power of 13 dBm, low conversion loss of under 6 dB and isolation over 25 dB (LO/RF and LO/IF). Special designs with LO input waveguide in a higher or lower waveguide band can be provided. External waveguide filters, LO reject filters, and compact 90º waveguide twists allow the user to change the mixer waveguide orientation (LO, RF or both) without taking much additional space. Detachable low-noise IF amplifiers are offered as options with these mixers. These high effiency mixers can be used as either up-converters or down-converters. They are available in a small rugged package and are ideal for radars, electronic warfare, communications and test equipment.