Patent ID: 6714898
Filing Date: 2004-03-30
Classification: G01R

Abstract:
A kit for measuring a noise figure for a device under test, the kit comprising:a noise source having a connector; and a vector network analyzer (VNA) comprising; a signal source; a first switch having a common terminal coupled to the signal source, a first switching terminal, and a second switching terminal; a first noise source connection port for connecting to the connector of the noise source; a first test port; a second switch having a common terminal coupled to the first test port, a first switching terminal coupled to the first noise source connection port, and a second switching terminal coupled to the first switching terminal of the first switch; a second test port; a third switch having a common terminal coupled to the second test port, a first switching terminal coupled to the receiver, and a second switching terminal coupled to the second switching terminal of the first switch; a first reflectometer coupler having a signal path connecting the first switching terminal of the first switch to the second switching terminal of the second switch; and a second reflectometer coupler having a signal path connecting the second switching terminal of the first switch to the second switching terminal of the third switch.