JPH0177016U - - Google Patents
Info
- Publication number
- JPH0177016U JPH0177016U JP1987172119U JP17211987U JPH0177016U JP H0177016 U JPH0177016 U JP H0177016U JP 1987172119 U JP1987172119 U JP 1987172119U JP 17211987 U JP17211987 U JP 17211987U JP H0177016 U JPH0177016 U JP H0177016U
- Authority
- JP
- Japan
- Prior art keywords
- crystal oscillator
- wiring patterns
- capacitance
- utility
- model registration
- 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.)
- Pending
Links
- 239000013078 crystal Substances 0.000 claims description 7
- 230000010355 oscillation Effects 0.000 claims description 2
- 239000003990 capacitor Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
Landscapes
- Oscillators With Electromechanical Resonators (AREA)
Description
第１図は、本考案の実施例を示す基板平面図、
第２図は本考案による水晶発振器の回路図、第３
図は従来の水晶発振器の回路を示す図である。
１……水晶振動子、２，３……コンデンサ、４
……静電容量構成パターン、５……グランドライ
ン、６……ゲートライン、６′……容量端、６″
……細部、７……発振回路用ＩＣ、８……回路基
板、９，１０……インバータ、１１……抵抗、１
２……トリマ・コンデンサ。
FIG. 1 is a plan view of a substrate showing an embodiment of the present invention;
Figure 2 is a circuit diagram of a crystal oscillator according to the present invention;
The figure shows a circuit of a conventional crystal oscillator. 1... Crystal resonator, 2, 3... Capacitor, 4
...Capacitance configuration pattern, 5...Ground line, 6...Gate line, 6'...Capacitance end, 6''
... Details, 7 ... IC for oscillation circuit, 8 ... Circuit board, 9, 10 ... Inverter, 11 ... Resistor, 1
2...Trimmer capacitor.
Claims (1)
量を利用し、前記配線パターンを切断または再接
続することによつて、発振周波数を調整するため
の容量を変化させることを特徴とする水晶発振器
。 (2) 前記配線パターン間に浮遊容量をもたせる
ために、２本の配線パターンの一部が、一定の間
隔を保つように配置することを特徴とする実用新
案登録請求の範囲(1)項記載の水晶発振器。[Claims for Utility Model Registration] In a crystal oscillator that does not use a variable capacitance element, (1) oscillation is achieved by utilizing the stray capacitance between the wiring patterns of the crystal oscillator and by cutting or reconnecting the wiring patterns. A crystal oscillator characterized by varying capacitance to adjust the frequency. (2) Utility model registration claim (1), characterized in that in order to create stray capacitance between the wiring patterns, parts of the two wiring patterns are arranged so as to maintain a constant interval. crystal oscillator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987172119U JPH0177016U (en) | 1987-11-11 | 1987-11-11 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987172119U JPH0177016U (en) | 1987-11-11 | 1987-11-11 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0177016U true JPH0177016U (en) | 1989-05-24 |
Family
ID=31464104
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987172119U Pending JPH0177016U (en) | 1987-11-11 | 1987-11-11 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0177016U (en) |
-
1987
- 1987-11-11 JP JP1987172119U patent/JPH0177016U/ja active Pending
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