JPS61195615U - - Google Patents
Info
- Publication number
- JPS61195615U JPS61195615U JP8057585U JP8057585U JPS61195615U JP S61195615 U JPS61195615 U JP S61195615U JP 8057585 U JP8057585 U JP 8057585U JP 8057585 U JP8057585 U JP 8057585U JP S61195615 U JPS61195615 U JP S61195615U
- Authority
- JP
- Japan
- Prior art keywords
- piezoelectric
- oscillation circuit
- vibrator
- logic
- ground
- 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.)
- Granted
Links
- 230000010355 oscillation Effects 0.000 claims description 6
- 238000010168 coupling process Methods 0.000 claims 3
- 238000005859 coupling reaction Methods 0.000 claims 3
- 230000008878 coupling Effects 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Oscillators With Electromechanical Resonators (AREA)
Description
第１図ａ、第２図ａ，ｂは、本考案の論理ＩＣ
の圧電発振回路。第１図ｂは、発振周波数の状態
を示す図。第３図は、一般の論理ＩＣの圧電発振
回路。
１１……論理ＩＣ、１３……圧電振動子、１４
……高結合振動子。
Figure 1a and Figures 2a and b show the logic IC of the present invention.
piezoelectric oscillation circuit. FIG. 1b is a diagram showing the state of the oscillation frequency. Figure 3 shows a piezoelectric oscillation circuit of a general logic IC. 11...Logic IC, 13...Piezoelectric vibrator, 14
...Highly coupled oscillator.
Claims (1)
で発振させる圧電発振回路において、該論理ＩＣ
の入力と接地間および／または出力と接地間に該
圧電振動子よりも電気機械結合係数の大きな高結
合振動子を接続したことを特徴とする圧電発振回
路。 (2) 該圧電振動子と該高結合振動子の基本波の
周波数が、ほぼ一致していることを特徴とする実
用新案登録請求の範囲第１項記載の圧電発振回路
。[Claims for Utility Model Registration] (1) In a piezoelectric oscillation circuit that uses a logic IC to oscillate a piezoelectric vibrator in a higher order mode, the logic IC
A piezoelectric oscillation circuit characterized in that a high coupling resonator having a larger electromechanical coupling coefficient than the piezoelectric resonator is connected between the input and ground and/or between the output and ground. (2) The piezoelectric oscillation circuit according to claim 1, wherein the frequencies of the fundamental waves of the piezoelectric vibrator and the high-coupling vibrator are substantially the same.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1985080575U JPH0326663Y2 (en) | 1985-05-28 | 1985-05-28 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1985080575U JPH0326663Y2 (en) | 1985-05-28 | 1985-05-28 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS61195615U true JPS61195615U (en) | 1986-12-05 |
| JPH0326663Y2 JPH0326663Y2 (en) | 1991-06-10 |
Family
ID=30626553
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1985080575U Expired JPH0326663Y2 (en) | 1985-05-28 | 1985-05-28 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0326663Y2 (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58198904A (en) * | 1982-05-17 | 1983-11-19 | Nec Corp | Unnecessary mode suppression type crystal oscillator |
-
1985
- 1985-05-28 JP JP1985080575U patent/JPH0326663Y2/ja not_active Expired
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58198904A (en) * | 1982-05-17 | 1983-11-19 | Nec Corp | Unnecessary mode suppression type crystal oscillator |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0326663Y2 (en) | 1991-06-10 |
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