Programmable two-port microwave network

Details Programmable two-port microwave network Programmable two-port microwave network

1982-06-15

1985-02-26

Gensler, Paul

Wave transmission lines and networks

Plural channel systems

Having branched circuits

324 58R, 333245, 333262, 333 99R, H01P 518

Patent

active

045020280

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.

REFERENCES:
patent: 3559108 (1971-01-01), Seidel
patent: 3611199 (1971-10-01), Safran
patent: 4016516 (1977-04-01), Sauter et al.
patent: 4104583 (1978-08-01), Engen
patent: 4442416 (1984-04-01), Epsom et al.

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