選件：
Hardware options
N5225A-2002 ports, single source, base hardware configuration
N5225A-2012 ports, single source, with configurable test set
N5225A-2102 ports, single source, with metrology configuration
N5225A-2172 ports, single source, configurable test set, extended power range
N5225A-2192 ports, single source, configurable test set, extended power range, bias-
tees
N5225A-4004 ports, dual source, base hardware configuration
N5225A-4014 ports, dual source, with configurable test set
N5225A-4104 ports, dual source, with metrology configuration
N5225A-4174 ports, dual source, configurable test set, extended power range
N5225A-4194 ports, dual source, configurable test set, extended power range, bias-譚S 135-1007-5188
