US 8,543,078 B2Granted

Harmonic mixer circuit

AssigneeSumitomo Electric Industries, Ltd.

InventorsOsamu Anegawa, Osamu Baba, Miki Kubota, Tsuneo Tokumitsu

Life of this patent

Estimating the term…

Loading patent…

Abstract

A circuit includes: a first line to which input and output signal terminals are connected; a first transistor having a first terminal connected to the first line, a second terminal connected to a ground potential, and a control terminal supplied with a first oscillation signal, the first transistor outputting the first signal and its harmonic component; a second transistor having a first terminal connected to the first line, a second terminal connected to the ground potential, and a control terminal supplied with a second oscillation signal, the second transistor outputting the second signal and its harmonic component; a first harmonic generator connected to the control terminal of the first transistor and generates a harmonic component including the harmonic component by the first transistor; and a second harmonic generator connected to the control terminal of the second transistor and generates a harmonic component including the harmonic component by the second transistor.

Claims11

Dependent claims

An electronic circuit comprising:

a first transmission line to which an input signal terminal and an output signal terminal are connected;
a first transistor having a first terminal connected to the first transmission line, a second terminal connected to a ground potential, and a control terminal supplied with a first oscillation signal, the first transistor outputting the first oscillation signal and a harmonic component thereof;
a second transistor having a first terminal connected to the first transmission line, a second terminal connected to the ground potential, and a control terminal supplied with a second oscillation signal, the second transistor outputting the second oscillation signal and a harmonic component thereof;
a first harmonic generation part connected to the control terminal of the first transistor and generates a harmonic component including the harmonic component generated by the first transistor;
and
a second harmonic generation part connected to the control terminal of the second transistor and generates a harmonic component including the harmonic component generated by the second transistor,
wherein the harmonic component generated by the first harmonic generation part has a phase that cancels the harmonic component generated by the first transistor, and the harmonic component generated by the second harmonic generation part has a phase that cancels the harmonic component generated by the second transistor.

4 more elements

Dependencies are inferred from the claim text.

Facts

Application: 13/076,871Filed 31 Mar 2011
Priority: JP 2010-0849971 Apr 2010
Published: US 2011/0241739 A16 Oct 2011
Granted: 24 Sep 2013
Term ends: Not estimatedThe source records don’t support an estimate.

Classification9 codes

H03D 7/1441
With transistors: using field-effect transistors
H03D 7/1433
With transistors: using bipolar transistors
H03D 7/1466
With transistors: passive mixer arrangements
H03D 7/1475
With transistors: subharmonic mixer arrangements

Family

US 2011/0241739 A1Pre-grant publication · published 6 Oct 2011
US 8,543,078 B2This patent

From the US filing history. Foreign family members aren’t listed.

Timeline

Citations

Open elsewhere

Building an agent or pulling many patents? Use the API or MCP server instead of scraping pages. Get an API key