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US 10,523,156 B2Granted
Mixer with series connected active devices
AssigneeHRL Laboratories, LLC
InventorsJongchan Kang, Ara K. Kurdoghlian
Life of this patent
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Abstract
A unit cell for a resistive mixer includes a plurality of active devices arranged in series, wherein each of said plurality of active devices having a different output conductance. A resistive mixer includes a plurality of active devices connected in series with one another to form a unit cell.
Claims9
A mixer, comprising:
- four cells wherein each cell has a drain terminal, a source terminal and a gate terminal;
- wherein the drain terminals of the first and second cells are connected at a first RF input terminal;
- wherein the drain terminals of the third and fourth cells are connected at a second RF input terminal;
- wherein the source terminals of the first and third cells are connected at a first IF terminal;
- wherein the source terminals of the second and fourth cells are connected at a second IF terminal;
- wherein the gate terminals of the first and fourth cells are connected at a first LO terminal;
- wherein the gate terminals of the second and third cells are connected at a second LO terminal;
- wherein each cell comprises first and second series connected devices;
- wherein a ratio of a gate width of the first series connected device to a gate width of the second series connected device in each cell is between one to one and one to four.
6 more elements
A mixer, comprising:
- four cells wherein each cell has a drain terminal, a source terminal and at least two gate terminals;
- wherein the drain terminals of the first and second cells are connected at a first RF input terminal;
- wherein the drain terminals of the third and fourth cells are connected at a second RF input terminal;
- wherein the source terminals of the first and third cells are connected at a first IF terminal;
- wherein the source terminals of the second and fourth cells are connected at a second IF terminal;
- wherein the at least two gate terminals of the first and fourth cells are connected together at a first LO terminal;
- wherein the at least two gate terminals of the second and third cells are connected together at a second LO terminal;
- and
- wherein each cell comprises first and second series connected devices and wherein a ratio of a gate width of the first series connected device to a gate width of the second series connected device in each cell is between one to one and one to four.
6 more elements
Dependencies are inferred from the claim text.