Phase Matrix, Inc. is a world-class design and manufacturing company and is a wholly owned subsidiary of National Instruments Corporation. Phase Matrix is ISO 9001:2008 certified and complies with CE, WEEE, and RoHS standards. Our array of products includes frequency counters (bench top, rack mount, VXI modular, pulsed); VXI and PXI synthetic instruments (downconverters, upconverters/synthesizers, local oscillators); instrument-grade, fast-switching synthesizer modules that can be used in various instruments or subsystems; and narrowband and broadband microwave components up to 65 GHz, ranging from VCOs to complex custom-built assemblies for military instrumentation and telecommunications applications.