JPWO2012176293A1 - 高周波発振器の発振周波数の可変方法 - Google Patents
高周波発振器の発振周波数の可変方法 Download PDFInfo
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- JPWO2012176293A1 JPWO2012176293A1 JP2013521369A JP2013521369A JPWO2012176293A1 JP WO2012176293 A1 JPWO2012176293 A1 JP WO2012176293A1 JP 2013521369 A JP2013521369 A JP 2013521369A JP 2013521369 A JP2013521369 A JP 2013521369A JP WO2012176293 A1 JPWO2012176293 A1 JP WO2012176293A1
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- Prior art keywords
- switch element
- frequency
- oscillation
- bias voltage
- cavity resonator
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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
- H03B1/00—Details
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J23/00—Details of transit-time tubes of the types covered by group H01J25/00
- H01J23/16—Circuit elements, having distributed capacitance and inductance, structurally associated with the tube and interacting with the discharge
- H01J23/18—Resonators
- H01J23/20—Cavity resonators; Adjustment or tuning thereof
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J23/00—Details of transit-time tubes of the types covered by group H01J25/00
- H01J23/02—Electrodes; Magnetic control means; Screens
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J23/00—Details of transit-time tubes of the types covered by group H01J25/00
- H01J23/16—Circuit elements, having distributed capacitance and inductance, structurally associated with the tube and interacting with the discharge
- H01J23/18—Resonators
- H01J23/20—Cavity resonators; Adjustment or tuning thereof
- H01J23/213—Simultaneous tuning of more than one resonator, e.g. resonant cavities of a magnetron
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J25/00—Transit-time tubes, e.g. klystrons, travelling-wave tubes, magnetrons
- H01J25/50—Magnetrons, i.e. tubes with a magnet system producing an H-field crossing the E-field
- H01J25/52—Magnetrons, i.e. tubes with a magnet system producing an H-field crossing the E-field with an electron space having a shape that does not prevent any electron from moving completely around the cathode or guide electrode
- H01J25/58—Magnetrons, i.e. tubes with a magnet system producing an H-field crossing the E-field with an electron space having a shape that does not prevent any electron from moving completely around the cathode or guide electrode having a number of resonators; having a composite resonator, e.g. a helix
- H01J25/587—Multi-cavity magnetrons
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J25/00—Transit-time tubes, e.g. klystrons, travelling-wave tubes, magnetrons
- H01J25/50—Magnetrons, i.e. tubes with a magnet system producing an H-field crossing the E-field
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- 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
- H03L7/02—Automatic control of frequency or phase; Synchronisation using a frequency discriminator comprising a passive frequency-determining element
- H03L7/04—Automatic control of frequency or phase; Synchronisation using a frequency discriminator comprising a passive frequency-determining element wherein the frequency-determining element comprises distributed inductance and capacitance
Abstract
Description
この式で、金属板22の外径aが導電体の直径に対して急激に大きくなると、導電体と金属板22の特性インピーダンスの差が大きくなり不整合となる。このため、伝送されてくる高周波はほぼ全反射に近い状態になる。このような全反射に近い状態で、その前に設けられるスイッチ素子18のリアクタンスが変化すると、その変化分が敏感に影響するため、スイッチ素子18に流すバイアス電流の変化が僅かであっても、その発振周波数を大幅に変化させることができる。
2 アノードシェル
3 アノードベーン
4 ストラップ
11 貫通孔
12 窓
14 金属製ロッド
15 絶縁体
16a 第1支持体
16b 第2支持体
17 同軸中心導体
18 スイッチ素子
22 接触板
23 バイアス端子
24 誘電体板
25 誘電体部
26 チョーク
34 外部導体
35 筐体
Claims (4)
- 空胴共振器を有する高周波発振器の発振周波数の可変方法であって、該高周波発振器の空胴共振器と電磁界的に結合した状態でスイッチ素子を配置し、該スイッチ素子の一方の電極にバイアス電圧印加端子を接続し、前記スイッチ素子の他方の電極を前記空胴共振器と電気的に接続すると共に、前記スイッチ素子のいずれかの端部に該スイッチ素子を通して伝送される高周波を反射させる大きさの金属板を設け、前記スイッチ素子にバイアス電圧を印加して、該バイアス電圧を変化させることにより、前記スイッチ素子のリアクタンスを変化させて前記空胴共振器の共振周波数を変化させることを特徴とする高周波発振器の発振周波数の可変方法。
- 前記高周波発振器が、真空外囲器の内部に前記空胴共振器が形成される電子管であり、該真空外囲器の壁面の一部に形成される貫通孔または前記空胴共振器と電磁界的に結合した線状導体を介して、前記真空外囲器の外側に導き出される電磁界と結合するように前記スイッチ素子が設けられてなる請求項1記載の高周波発振器の発振周波数の可変方法。
- 前記スイッチ素子および該スイッチ素子に接続される導体の少なくとも一部を被覆するように金属からなる筐体が、前記スイッチ素子および該スイッチ素子と接続される導体と接触しないように設けられ、前記金属板の前記スイッチ素子と接触する面と反対面、および該反対面と対向する前記筐体の端面の間隔が発振波長の1/4より小さい間隔に形成されてなる請求項2記載の高周波発振器の発振周波数の可変方法。
- 前記金属板の前記スイッチ素子と反対側の面と、前記筐体の端面との間に誘電体板が挿入されてなる請求項3記載の高周波発振器の発振周波数の可変方法。
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/JP2011/064284 WO2012176293A1 (ja) | 2011-06-22 | 2011-06-22 | 高周波発振器の発振周波数の可変方法 |
Publications (2)
Publication Number | Publication Date |
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JPWO2012176293A1 true JPWO2012176293A1 (ja) | 2015-02-23 |
JP5796069B2 JP5796069B2 (ja) | 2015-10-21 |
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Application Number | Title | Priority Date | Filing Date |
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JP2013521369A Active JP5796069B2 (ja) | 2011-06-22 | 2011-06-22 | 高周波発振器の発振周波数の可変方法 |
Country Status (4)
Country | Link |
---|---|
US (1) | US9035707B2 (ja) |
JP (1) | JP5796069B2 (ja) |
GB (1) | GB2505334B (ja) |
WO (1) | WO2012176293A1 (ja) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10490381B2 (en) * | 2013-09-04 | 2019-11-26 | Qmast Llc | Sheet beam klystron (SBK) amplifiers with wrap-on solenoid for stable operation |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3882419A (en) * | 1974-03-01 | 1975-05-06 | Rca Corp | Varactor tuned impatt diode microwave oscillator |
JP2000003676A (ja) * | 1998-06-12 | 2000-01-07 | Toshiba Corp | 発振周波数可変型マグネトロン |
JP2009277379A (ja) * | 2008-05-12 | 2009-11-26 | New Japan Radio Co Ltd | 電子同調マグネトロン |
JP2011060591A (ja) * | 2009-09-10 | 2011-03-24 | New Japan Radio Co Ltd | 電子同調マグネトロン |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2003124717A (ja) | 1993-10-12 | 2003-04-25 | Matsushita Electric Ind Co Ltd | 誘電体共振器 |
KR100444219B1 (ko) * | 2001-09-25 | 2004-08-16 | 삼성전기주식회사 | 원형편파용 패치 안테나 |
JP4467394B2 (ja) | 2004-09-29 | 2010-05-26 | 新日本無線株式会社 | 周波数可変型マグネトロン |
-
2011
- 2011-06-22 US US14/112,205 patent/US9035707B2/en active Active
- 2011-06-22 GB GB1317252.3A patent/GB2505334B/en active Active
- 2011-06-22 WO PCT/JP2011/064284 patent/WO2012176293A1/ja active Application Filing
- 2011-06-22 JP JP2013521369A patent/JP5796069B2/ja active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3882419A (en) * | 1974-03-01 | 1975-05-06 | Rca Corp | Varactor tuned impatt diode microwave oscillator |
JP2000003676A (ja) * | 1998-06-12 | 2000-01-07 | Toshiba Corp | 発振周波数可変型マグネトロン |
JP2009277379A (ja) * | 2008-05-12 | 2009-11-26 | New Japan Radio Co Ltd | 電子同調マグネトロン |
JP2011060591A (ja) * | 2009-09-10 | 2011-03-24 | New Japan Radio Co Ltd | 電子同調マグネトロン |
Also Published As
Publication number | Publication date |
---|---|
WO2012176293A1 (ja) | 2012-12-27 |
US9035707B2 (en) | 2015-05-19 |
JP5796069B2 (ja) | 2015-10-21 |
GB2505334B (en) | 2017-06-07 |
US20140035686A1 (en) | 2014-02-06 |
GB2505334A (en) | 2014-02-26 |
GB201317252D0 (en) | 2013-11-13 |
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