Optoelectronic controlled RF matching circuit
AssigneeHughes Aircraft Company
InventorIrwin L. Newberg
Life of this patent
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Abstract
A photonic RF impedance matching system that includes an RF photonically controlled impedance matching circuit having adjustable impedance and power transfer characteristics, and feedback control circuitry for optically controlling the impedance matching circuit.
Claims6
An RF photonic impedance matching system for impedance matching the input of an RF circuit which provides an RF circuit electrical output, comprising:
- an RF photonically controlled impedance matching circuit having adjustable impedance and power transfer characteristics responsive to an RF electrical input for providing an RF matching circuit output to the input of the RF circuit;
- input detecting means for detecting said RF electrical input to provide an input reference signal;
- output detecting means for detecting the RF circuit electrical output of the RF circuit to provide an output reference signal;
- optical signal generating means for providing an optical signal to control said RF photonically controlled impedance matching circuit;
- and
- control means responsive to said input reference signal and said output reference signal for controlling said optical signal generating means such that said impedance matching circuit provides a desired impedance matching and power transfer relative to the RF circuit.
An RF photonic impedance matching system for matching an electrical input of an RF optical circuit which provides an RF optical output, comprising:
- an RF photonically controlled impedance matching circuit having adjustable impedance and power transfer characteristics responsive to an RF electrical input for providing an RF matching circuit electrical output to the electrical input of the RF optical circuit;
- input detecting means for detecting said RF electrical input and providing an input reference signal;
- output detecting means for detecting the RF optical output of the RF optical circuit for providing an output reference signal;
- optical signal generating means for providing an optical matching circuit control signal to control said RF photonically controlled impedance matching circuit;
- and
- control means responsive to said input reference signal and said output reference signal for controlling said optical signal means such that said impedance matching circuit provides a desired impedance matching and power transfer relative to the RF optical circuit.
An RF photonic impedance matching system for impedance matching the output of an RF optical circuit which receives an RF optical input and provides an RF electrical output, comprising:
- an RF photonically controlled impedance matching circuit having adjustable impedance and power transfer characteristics responsive to the RF electrical output of the RF optical circuit for providing a matching circuit RF electrical output;
- input detecting means for detecting the RF optical input to the RF optical circuit and providing an input reference signal;
- output detecting means for detecting said matching circuit RF electrical output for providing an output reference signal;
- optical signal generating means for providing an matching circuit optical control signal to control said RF photonically controlled impedance matching circuit;
- and
- control means responsive to said input reference signal and said output reference signal for controlling ling said optical signal generating means such that said impedance matching circuit provides a desired impedance matching and power transfer relative to the RF optical circuit.
Dependencies are inferred from the claim text.