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US 5,208,547 AGranted
Distributed amplifier having negative feedback
AssigneeRaytheon Company
InventorManfred J. Schindler
Life of this patent
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Abstract
A radio frequency amplifier including a plurality of field effect transistors having input electrodes successively coupled by an input propagation network and output electrode successively coupled by an output propagation network is described. The radio frequency circuit includes a feedback circuit, preferably a plurality of feedback circuits, each one being disposed about a corresponding one of the plurality of transistors to provide a negative feedback path about each one of said transistors.
Claims11
A radio frequency circuit, comprising:
- a plurality of field effect transistors, each one of said transistors having an input electrode and an output electrode;
- input propagation means for successively coupling the input electrodes of each one of said transistors to an input terminal of said radio frequency circuit;
- output propagation means for successively coupling the output electrodes of each one of said transistors to an output terminal of said circuit;
- and
- feedback means disposed between the input electrode and the output electrode of at least one of said transistors for providing a negative feedback path about said at least one transistor.
2 more elements
A radio frequency circuit, comprising:
- a plurality of field effect transistors, each one of said transistors having an input electrode and an output electrode;
- input propagation means for successively coupling the input electrodes of each one of said transistors to an input terminal of said radio frequency circuit;
- output propagation means for successively coupling the output electrodes of each one of said transistors to an output terminal of said circuit;
- and
- feedback means disposed between the input electrode and the output electrode of at least one of said transistors for providing a negative feedback path about said at least one transistor;
- and
- wherein said feedback means includes a field effect transistor having source drain and gate electrodes with the source and drain electrode thereof copuled between input and output terminals of the at least one transistor.
4 more elements
A radio frequency amplifier comprising:
- a plurality of field effect transistors, each one of said transistors having an input electrode and an output electrode;
- an input propagation means for successively coupling the input electrodes of each one of said plurality of transistors to an input terminal of said radio circuit;
- an output propagation means for succesively coupling the output electrodes of each one of said transistors to an output electrode of said amplifier;
- and
- a plurality of feedback circuits, each feedback circuit disposed to couple the output electrode of a corresponding one of said plurality of transistors to the corresponding input electrode of said plurality of field effect transistors.
2 more elements
Dependencies are inferred from the claim text.