Programmable two-port microwave network
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United States of America Patent
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-
Feb 26, 1985
Grant Date -
N/A
app pub date -
Jun 15, 1982
filing date -
Jun 15, 1982
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An adjustable two-port microwave network having digitally controlled switches which enable the network to be set to a plurality reflection and transmission coefficients. The network facilitates the collection of a plurality of measurements which are necessary to characterize a non-linear device. An embodiment of the network is constructed using a 3dB directional coupler feeding two identical power divider networks each comprising two cascaded directional couplers. One divider network is connected directly to the coupled port of the 3dB directional coupler and the other divider network is connected through a phase shifter to the output port of the 3dB directional coupler. The non-linear device to be characterized is connected to the input port of the 3dB directional coupler and for this application, the isolated port is terminated in its characteristic impedance.
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