IMPATT Diodes Based on , , and Oriented GaAs: A Comparative Study to Search the Best Orientation for Millimeter-Wave Atmospheric Windows

Table 1

Structural, doping, and other parameters.

Design parameters	Design frequency, (GHz)
	35	94	140	220
(μm)	0.780	0.350	0.225	0.145
(μm)	0.800	0.350	0.225	0.145
(×10^23 m^−3)	0.420	1.500	3.500	7.500
(×10^23 m^−3)	0.400	1.500	3.400	7.500
, (×10^25 m^−3)	1.000	1.000	1.000	1.000
(μm)	55.000	35.000	25.000	20.000