JP2009100441A5 - - Google Patents
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- JP2009100441A5 JP2009100441A5 JP2008174258A JP2008174258A JP2009100441A5 JP 2009100441 A5 JP2009100441 A5 JP 2009100441A5 JP 2008174258 A JP2008174258 A JP 2008174258A JP 2008174258 A JP2008174258 A JP 2008174258A JP 2009100441 A5 JP2009100441 A5 JP 2009100441A5
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- JP
- Japan
- Prior art keywords
- signal
- noise
- terminal
- generating
- received
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
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- 230000007274 generation of a signal involved in cell-cell signaling Effects 0.000 claims 1
Claims (7)
前記受信部に入力される受信信号を増幅した増幅信号を生成することと、
前記増幅信号と前記キャンセル信号とを加算した加算信号を生成することと、
を含むノイズキャンセル方法。 Generating a cancel signal that cancels the noise signal based on a noise signal generated from the vicinity of the reception unit that receives the radio signal;
Generating an amplified signal obtained by amplifying the received signal input to the receiving unit;
Generating an added signal obtained by adding the amplified signal and the cancellation signal;
Including noise cancellation method.
前記受信信号に影響を与えるノイズ信号を入力する第２端子と、
前記第１端子と接続され、前記受信信号を入力し増幅信号を出力する低雑音増幅回路と、
前記第２端子と接続され、前記第２端子から入力された前記ノイズ信号に基づいて前記ノイズ信号を打ち消すキャンセル信号を生成するキャンセル信号生成部と、
前記増幅信号と前記キャンセル信号とを加算した加算信号を第３端子から出力する加算器と、
を含む、
ノイズキャンセル機能付増幅回路。 A first terminal for receiving a received signal;
A second terminal for inputting a noise signal that affects the received signal;
A low-noise amplifier circuit connected to the first terminal for inputting the received signal and outputting an amplified signal;
A cancel signal generating unit that is connected to the second terminal and generates a cancel signal that cancels the noise signal based on the noise signal input from the second terminal;
An adder that outputs a sum signal obtained by adding the amplified signal and the cancel signal from a third terminal;
including,
Amplifier circuit with noise cancellation function.
前記ノイズキャンセル機能付増幅回路の前記第３端子に接続され、前記加算信号を入力しＩＦ信号を生成するＩＦ信号生成回路と、
を含む、
受信回路。 An amplifier circuit with a noise cancellation function according to claim 5;
An IF signal generation circuit that is connected to the third terminal of the amplifier circuit with the noise cancellation function and that inputs the addition signal and generates an IF signal;
including,
Receiver circuit.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2008174258A JP2009100441A (en) | 2007-09-26 | 2008-07-03 | Noise cancel method, noise cancel type amplifying circuit, and receiving circuit and electronic device including noise cancel type amplifying circuit |
| US12/209,484 US20090080669A1 (en) | 2007-09-26 | 2008-09-12 | Noise cancel method, noise cancel type amplifying circuit, and receiving circuit and electronic device including noise cancel type amplifying circuit |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2007248582 | 2007-09-26 | ||
| JP2008174258A JP2009100441A (en) | 2007-09-26 | 2008-07-03 | Noise cancel method, noise cancel type amplifying circuit, and receiving circuit and electronic device including noise cancel type amplifying circuit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2009100441A JP2009100441A (en) | 2009-05-07 |
| JP2009100441A5 true JP2009100441A5 (en) | 2011-07-21 |
Family
ID=40702978
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2008174258A Withdrawn JP2009100441A (en) | 2007-09-26 | 2008-07-03 | Noise cancel method, noise cancel type amplifying circuit, and receiving circuit and electronic device including noise cancel type amplifying circuit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2009100441A (en) |
-
2008
- 2008-07-03 JP JP2008174258A patent/JP2009100441A/en not_active Withdrawn
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