JP4435637B2 - 逓倍型の水晶発振器 - Google Patents
逓倍型の水晶発振器 Download PDFInfo
- Publication number
- JP4435637B2 JP4435637B2 JP2004216942A JP2004216942A JP4435637B2 JP 4435637 B2 JP4435637 B2 JP 4435637B2 JP 2004216942 A JP2004216942 A JP 2004216942A JP 2004216942 A JP2004216942 A JP 2004216942A JP 4435637 B2 JP4435637 B2 JP 4435637B2
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- harmonic component
- crystal oscillator
- amplifier
- oscillation
- 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.)
- Expired - Fee Related
Links
Images
Description
ベルの最も高い雑音周波数に設定すれば、雑音周波数は直列共振回路を経てアース電位に
流入する。したがって、並列共振回路の端子間では最もレベルの高い雑音周波数が抑圧さ
れ、出力としてのn次高調波成分の相対的なレベルを高くできる。したがって、逓倍回路
の段数を少なくできて、小型化を促進する。そして、ここでは、n次高調波成分に接近した低調波の(n−1)次と(n−2)次高調波成分との間を直列共振回路の共振周波数とするので、これらの高調波成分を同時に抑圧できる。
本発明の請求項2では、請求項1の前記並列共振回路は前記増幅回路内に接続する。これにより、同調型の増幅回路を構成し、発振回路中の高調波成分を選択できる。
Claims (9)
- アース電位に接地した並列共振回路及び増幅回路を有する逓倍回路を発振回路に接続し、前記発振回路のn次高調波成分(但し、nは2以上の整数)を出力とする逓倍型の水晶発振器において、前記並列共振回路は、前記n次高調波成分よりも低い共振周波数とするインダクタとコンデンサの直列共振回路と、前記直列共振回路に並列接続したリアクタンス素子とからなり、前記直列共振回路は(n−1)次高調波成分と(n−2)次高調波成分との間の周波数を共振周波数としたことを特徴とする逓倍型の水晶発振器。
- 請求項1において、前記並列共振回路は前記増幅回路内に接続された逓倍型の水晶発振器。
- 請求項2において、前記増幅回路は3端子としたトランジスタ増幅素子からなる逓倍型の水晶発振器。
- 請求項1において、前記並列共振回路は前記発振回路と前記増幅回路との間に接続した逓倍型の水晶発振器。
- 請求項4において、前記増幅回路は3端子としたトランジスタ増幅素子又は2端子としたIC増幅素子である逓倍型の水晶発振器。
- 請求項1において、前記並列共振回路及び増幅回路を有する逓倍回路は複数段として前記発振回路に接続した逓倍型の水晶発振器。
- 請求項6において、前記並列共振回路は前記増幅回路内に接続した逓倍型の水晶発振器。
- 請求項6において、前記並列共振回路は前記発振回路と前記増幅器との間及び前記増幅器の間に接続した逓倍型の水晶発振器。
- 請求項6において、前記並列共振回路は前記増幅回路内並びに前記発振回路と前記増幅器との間及び前記増幅器間に接続した逓倍型の水晶発振器。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004216942A JP4435637B2 (ja) | 2004-07-26 | 2004-07-26 | 逓倍型の水晶発振器 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004216942A JP4435637B2 (ja) | 2004-07-26 | 2004-07-26 | 逓倍型の水晶発振器 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2006041781A JP2006041781A (ja) | 2006-02-09 |
JP4435637B2 true JP4435637B2 (ja) | 2010-03-24 |
Family
ID=35906321
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2004216942A Expired - Fee Related JP4435637B2 (ja) | 2004-07-26 | 2004-07-26 | 逓倍型の水晶発振器 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP4435637B2 (ja) |
-
2004
- 2004-07-26 JP JP2004216942A patent/JP4435637B2/ja not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
JP2006041781A (ja) | 2006-02-09 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP4485487B2 (ja) | 電力増幅器 | |
JP5408616B2 (ja) | 増幅回路 | |
KR100457939B1 (ko) | 고주파 수정발진기 | |
US20080309435A1 (en) | Noise filter | |
US8629708B2 (en) | High conversion gain high suppression balanced cascode frequency quadrupler | |
JP2006510254A (ja) | 高周波電磁発振を発生させる発振器回路 | |
JPH036107A (ja) | 電圧制御発振器 | |
JP4435637B2 (ja) | 逓倍型の水晶発振器 | |
US7369007B2 (en) | Oscillating circuit for suppressing second harmonic wave | |
US20060208817A1 (en) | Piezoelectric oscillator | |
KR20080052417A (ko) | 가변용량 다이오드를 사용한 가변동조회로 및 텔레비젼튜너 | |
KR100389106B1 (ko) | 발진기 | |
US7019596B2 (en) | Multiple output high-frequency oscillator | |
JP2010016586A (ja) | 圧電発振器 | |
US7292108B2 (en) | Voltage controlled oscillator for frequency synthesizer | |
JP4241205B2 (ja) | 半導体増幅回路 | |
JP3875498B2 (ja) | 高周波数の水晶発振器 | |
JP2005303639A (ja) | 水晶発振器 | |
JPH05129833A (ja) | 発振回路 | |
JPH0246011A (ja) | 高周波高出力混成集積回路 | |
JP2001148614A (ja) | 高周波水晶発振器 | |
US6683508B1 (en) | System and method of increasing a self-resonant frequency of a tuning circuit and an oscillator employing the same | |
JP5336953B2 (ja) | 圧電発振回路 | |
JP2007274649A (ja) | 発振回路 | |
JP4118577B2 (ja) | 高周波水晶発振器 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20070611 |
|
A977 | Report on retrieval |
Free format text: JAPANESE INTERMEDIATE CODE: A971007 Effective date: 20090624 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20090707 |
|
A521 | Written amendment |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20090904 |
|
TRDD | Decision of grant or rejection written | ||
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20091222 |
|
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 |
|
A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20091224 |
|
R150 | Certificate of patent or registration of utility model |
Ref document number: 4435637 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R150 Free format text: JAPANESE INTERMEDIATE CODE: R150 |
|
FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20130108 Year of fee payment: 3 |
|
FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20130108 Year of fee payment: 3 |
|
FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20130108 Year of fee payment: 3 |
|
FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20140108 Year of fee payment: 4 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
S531 | Written request for registration of change of domicile |
Free format text: JAPANESE INTERMEDIATE CODE: R313531 |
|
R350 | Written notification of registration of transfer |
Free format text: JAPANESE INTERMEDIATE CODE: R350 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
LAPS | Cancellation because of no payment of annual fees |