The RMWM38001 is a 38 GHz Mixer designed to be used in point to point radios, point to multi-point communications, LMDS, and other millimeter wave applications. In conjunction with other Raytheon amplifiers, multipliers and mixers it forms part of a complete 38 GHz transmit/receive chipset. The RMWM38001 is a GaAs MMIC diode mixer utilizing Raytheon's 0.25m power PHEMT process. The MMIC can be used as both an Upconverter and a Downconverter and is sufficiently versatile to serve in a variety of mixer applications. 4 mil substrate