JP2012090098A - 発振回路 - Google Patents
発振回路 Download PDFInfo
- Publication number
- JP2012090098A JP2012090098A JP2010235450A JP2010235450A JP2012090098A JP 2012090098 A JP2012090098 A JP 2012090098A JP 2010235450 A JP2010235450 A JP 2010235450A JP 2010235450 A JP2010235450 A JP 2010235450A JP 2012090098 A JP2012090098 A JP 2012090098A
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- circuit
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- semiconductor integrated
- oscillation
- closed circuit
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- 230000010355 oscillation Effects 0.000 title claims abstract description 88
- 239000003990 capacitor Substances 0.000 claims abstract description 95
- 239000004065 semiconductor Substances 0.000 claims abstract description 94
- 230000003321 amplification Effects 0.000 claims abstract description 8
- 238000003199 nucleic acid amplification method Methods 0.000 claims abstract description 8
- 230000005540 biological transmission Effects 0.000 description 11
- 238000010586 diagram Methods 0.000 description 9
- 239000000463 material Substances 0.000 description 7
- 230000006866 deterioration Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000013078 crystal Substances 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 230000002194 synthesizing effect Effects 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03L—AUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
- H03L7/00—Automatic control of frequency or phase; Synchronisation
- H03L7/06—Automatic control of frequency or phase; Synchronisation using a reference signal applied to a frequency- or phase-locked loop
- H03L7/08—Details of the phase-locked loop
- H03L7/099—Details of the phase-locked loop concerning mainly the controlled oscillator of the loop
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03B—GENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING, BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN A NON-SWITCHING MANNER; GENERATION OF NOISE BY SUCH CIRCUITS
- H03B5/00—Generation of oscillations using amplifier with regenerative feedback from output to input
- H03B5/08—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance
- H03B5/12—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance active element in amplifier being semiconductor device
- H03B5/1206—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance active element in amplifier being semiconductor device using multiple transistors for amplification
- H03B5/1212—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance active element in amplifier being semiconductor device using multiple transistors for amplification the amplifier comprising a pair of transistors, wherein an output terminal of each being connected to an input terminal of the other, e.g. a cross coupled pair
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03B—GENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING, BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN A NON-SWITCHING MANNER; GENERATION OF NOISE BY SUCH CIRCUITS
- H03B5/00—Generation of oscillations using amplifier with regenerative feedback from output to input
- H03B5/08—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance
- H03B5/12—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance active element in amplifier being semiconductor device
- H03B5/1228—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance active element in amplifier being semiconductor device the amplifier comprising one or more field effect transistors
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03B—GENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING, BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN A NON-SWITCHING MANNER; GENERATION OF NOISE BY SUCH CIRCUITS
- H03B5/00—Generation of oscillations using amplifier with regenerative feedback from output to input
- H03B5/08—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance
- H03B5/12—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance active element in amplifier being semiconductor device
- H03B5/1237—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance active element in amplifier being semiconductor device comprising means for varying the frequency of the generator
- H03B5/124—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance active element in amplifier being semiconductor device comprising means for varying the frequency of the generator the means comprising a voltage dependent capacitance
- H03B5/1243—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance active element in amplifier being semiconductor device comprising means for varying the frequency of the generator the means comprising a voltage dependent capacitance the means comprising voltage variable capacitance diodes
Landscapes
- Inductance-Capacitance Distribution Constants And Capacitance-Resistance Oscillators (AREA)
- Semiconductor Integrated Circuits (AREA)
Abstract
【解決手段】半導体集積回路の内部に設けられた内部キャパシタと、半導体集積回路の外部に設けられた外部キャパシタ及び外部インダクタとからなる共振回路と、共振回路に入力端及び出力端が接続された増幅回路と、を有し、共振回路は、内部キャパシタ、外部インダクタ、並びに内部キャパシタ及び外部インダクタを接続する配線からなる第1閉回路と、外部キャパシタ、外部インダクタ、並びに外部キャパシタ及び外部インダクタを接続する配線からなり、第1閉回路の配線抵抗よりも小なる配線抵抗を有する第2閉回路と、を有することを特徴とする発振回路。
【選択図】図2
Description
20 発振回路
21 増幅回路
22 共振回路
60 半導体集積回路
C1、C2 内部キャパシタ
C3 外部キャパシタ
L1 外部インダクタ
Claims (7)
- 半導体集積回路に含まれる発振回路であって、
前記半導体集積回路の内部に設けられた内部キャパシタと、前記半導体集積回路の外部に設けられた外部キャパシタ及び外部インダクタとからなる共振回路と、
前記共振回路に入力端及び出力端が接続された増幅回路と、を有し、
前記共振回路は、前記内部キャパシタ、前記外部インダクタ、並びに前記内部キャパシタ及び前記外部インダクタを接続する配線からなる第1閉回路と、前記外部キャパシタ、前記外部インダクタ、並びに前記外部キャパシタ及び前記外部インダクタを接続する配線からなり、前記第1閉回路の配線抵抗よりも小なる配線抵抗を有する第2閉回路と、を有することを特徴とする発振回路。 - 前記第1閉回路の配線長は前記第2閉回路の配線長よりも長いことを特徴とする請求項1に記載の発振回路。
- 前記第1閉回路の配線の断面積は前記第閉回路の配線の断面積よりも小さいことを特徴とする請求項2に記載の発振回路。
- 前記外部キャパシタは、前記第1閉回路によって囲まれた領域の外部に設けられていることを特徴とする請求項2又は3に記載の発振回路。
- 前記外部キャパシタのキャパシタンスは、前記内部キャパシタのキャパシタンスより大きいことを特徴とする請求項2乃至4のいずれか1に記載の発振回路。
- 前記増幅回路は前記半導体集積回路の外部に設けられていることを特徴とする請求項2乃至5のいずれか1に記載の発振回路。
- 前記共振回路に入力端及び出力端が接続された副増幅回路を前記半導体集積回路の内部に有することを特徴とする請求項6に記載の発振回路。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2010235450A JP5714865B2 (ja) | 2010-10-20 | 2010-10-20 | 発振回路 |
US13/275,554 US8508305B2 (en) | 2010-10-20 | 2011-10-18 | Oscillation circuit |
CN201110320352.1A CN102457273B (zh) | 2010-10-20 | 2011-10-20 | 振荡电路 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2010235450A JP5714865B2 (ja) | 2010-10-20 | 2010-10-20 | 発振回路 |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2015049376A Division JP2015159547A (ja) | 2015-03-12 | 2015-03-12 | 半導体装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2012090098A true JP2012090098A (ja) | 2012-05-10 |
JP5714865B2 JP5714865B2 (ja) | 2015-05-07 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2010235450A Active JP5714865B2 (ja) | 2010-10-20 | 2010-10-20 | 発振回路 |
Country Status (3)
Country | Link |
---|---|
US (1) | US8508305B2 (ja) |
JP (1) | JP5714865B2 (ja) |
CN (1) | CN102457273B (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP7003340B1 (ja) * | 2021-03-09 | 2022-01-20 | 三菱電機株式会社 | 回路基板 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH06291548A (ja) * | 1993-03-31 | 1994-10-18 | Matsushita Electric Ind Co Ltd | 発振回路と、この発振回路を用いたbsチューナ |
JPH11127030A (ja) * | 1997-10-21 | 1999-05-11 | Matsushita Electric Ind Co Ltd | 発振回路ic用共振回路及び発振回路 |
JP2006060568A (ja) * | 2004-08-20 | 2006-03-02 | Alps Electric Co Ltd | 局部発振回路 |
JP2006211529A (ja) * | 2005-01-31 | 2006-08-10 | Seiko Epson Corp | 電圧制御発振器 |
JP2009081463A (ja) * | 2005-07-27 | 2009-04-16 | Seiko Epson Corp | 半導体装置、及び発振器 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2951128B2 (ja) | 1992-10-20 | 1999-09-20 | 三洋電機株式会社 | 電圧制御型発振回路 |
JPH07131243A (ja) | 1993-10-28 | 1995-05-19 | Matsushita Electric Ind Co Ltd | 電圧制御発振器 |
JP2001054286A (ja) * | 1999-08-06 | 2001-02-23 | Mitsubishi Electric Corp | 電子制御基板 |
US6903617B2 (en) * | 2000-05-25 | 2005-06-07 | Silicon Laboratories Inc. | Method and apparatus for synthesizing high-frequency signals for wireless communications |
US7295081B2 (en) * | 2005-08-29 | 2007-11-13 | Micron Technology, Inc. | Time delay oscillator for integrated circuits |
JP2007110504A (ja) | 2005-10-14 | 2007-04-26 | Nec Electronics Corp | 半導体集積回路装置 |
US7583156B2 (en) * | 2007-05-10 | 2009-09-01 | Texas Instruments Incorporated | Oscillator with multi-tap inductor, capacitors, and negative-Gm stages |
US8058938B2 (en) * | 2009-04-30 | 2011-11-15 | Project Ft, Inc. | Voltage controlled oscillator |
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2010
- 2010-10-20 JP JP2010235450A patent/JP5714865B2/ja active Active
-
2011
- 2011-10-18 US US13/275,554 patent/US8508305B2/en active Active
- 2011-10-20 CN CN201110320352.1A patent/CN102457273B/zh active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH06291548A (ja) * | 1993-03-31 | 1994-10-18 | Matsushita Electric Ind Co Ltd | 発振回路と、この発振回路を用いたbsチューナ |
JPH11127030A (ja) * | 1997-10-21 | 1999-05-11 | Matsushita Electric Ind Co Ltd | 発振回路ic用共振回路及び発振回路 |
JP2006060568A (ja) * | 2004-08-20 | 2006-03-02 | Alps Electric Co Ltd | 局部発振回路 |
JP2006211529A (ja) * | 2005-01-31 | 2006-08-10 | Seiko Epson Corp | 電圧制御発振器 |
JP2009081463A (ja) * | 2005-07-27 | 2009-04-16 | Seiko Epson Corp | 半導体装置、及び発振器 |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP7003340B1 (ja) * | 2021-03-09 | 2022-01-20 | 三菱電機株式会社 | 回路基板 |
WO2022190220A1 (ja) * | 2021-03-09 | 2022-09-15 | 三菱電機株式会社 | 回路基板 |
TWI796133B (zh) * | 2021-03-09 | 2023-03-11 | 日商三菱電機股份有限公司 | 電路基板 |
US11889616B2 (en) | 2021-03-09 | 2024-01-30 | Mitsubishi Electric Corporation | Circuit board |
Also Published As
Publication number | Publication date |
---|---|
CN102457273B (zh) | 2016-09-14 |
US8508305B2 (en) | 2013-08-13 |
US20120098608A1 (en) | 2012-04-26 |
CN102457273A (zh) | 2012-05-16 |
JP5714865B2 (ja) | 2015-05-07 |
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