JPH01122614U - - Google Patents
Info
- Publication number
- JPH01122614U JPH01122614U JP1753388U JP1753388U JPH01122614U JP H01122614 U JPH01122614 U JP H01122614U JP 1753388 U JP1753388 U JP 1753388U JP 1753388 U JP1753388 U JP 1753388U JP H01122614 U JPH01122614 U JP H01122614U
- Authority
- JP
- Japan
- Prior art keywords
- return resistor
- inverter
- crystal oscillator
- parallel
- output terminal
- 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 3
- 230000010355 oscillation Effects 0.000 claims 3
- 239000003990 capacitor Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 4
Description
第１図はこの考案の一実施例を示すブロツク図
、第２図は第１図のクロツクド・インバータの内
部接続を示す接断図、第３図は従来の回路を示す
ブロツク図、第４図は第３図のインバータの内部
接続を示す接続図。
１……水晶発振子、２……帰還抵抗、Ｘ１，Ｘ
２，……それぞれクロツクド・インバータ、ｃ１
，ｃ２……それぞれ入力信号、ｄ１，ｄ２……そ
れぞれ出力信号、ａ１，Ａ２…ｂ１，ｂ２，……
それぞれ制御信号。なお、図中同一符号は同一ま
たは相当部分を示す。
Fig. 1 is a block diagram showing an embodiment of this invention, Fig. 2 is a disconnection diagram showing the internal connections of the clocked inverter of Fig. 1, Fig. 3 is a block diagram showing a conventional circuit, and Fig. 4. 4 is a connection diagram showing internal connections of the inverter shown in FIG. 3. FIG. 1...Crystal oscillator, 2...Feedback resistor, X1,
2,...each clocked inverter, c1
, c2...input signals, d1, d2...output signals, a1, A2...b1, b2,...
Control signals respectively. Note that the same reference numerals in the figures indicate the same or corresponding parts.
Claims (1)
並列に接続される帰環抵抗と、この帰環抵抗の両
端と接地との間にそれぞれ接続されるコンデンサ
と、上記帰環抵抗の一端に信号入力端子が接続さ
れ上記帰環抵抗の他端に信号出力端子が接続され
るＣＭＯＳ型インバータとを備えた発振回路にお
いて、 上記ＣＭＯＳ型インバータは、外部から入力す
る制御信号によりインバータの信号出力端子を電
源の正端子からも負端子からも遮断することの出
来るクロツクド・インバータの複数個の並列接続
により構成し、上記水晶発振子の発振周波数に従
い、発振可能であつて且つインバータによる消費
電力が最小になるように、並列接続されたクロツ
クド・インバータのうち動作させるインバータ（
単数又は複数）を選択することを特徴とする発振
回路。[Claims for Utility Model Registration] A crystal oscillator, a return resistor connected in parallel between both terminals of the crystal oscillator, and a capacitor connected between both ends of the return resistor and ground, respectively. and a CMOS inverter having a signal input terminal connected to one end of the return resistor and a signal output terminal connected to the other end of the return resistor, wherein the CMOS inverter receives input from the outside. The inverter's signal output terminal can be cut off from both the positive and negative terminals of the power supply by a control signal. Of the clocked inverters connected in parallel, the inverter (
An oscillation circuit characterized in that an oscillation circuit is selected from a plurality of oscillation circuits (single or plural).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1753388U JPH01122614U (en) | 1988-02-15 | 1988-02-15 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1753388U JPH01122614U (en) | 1988-02-15 | 1988-02-15 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01122614U true JPH01122614U (en) | 1989-08-21 |
Family
ID=31231401
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1753388U Pending JPH01122614U (en) | 1988-02-15 | 1988-02-15 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01122614U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08307154A (en) * | 1995-04-28 | 1996-11-22 | Lg Semicon Co Ltd | Oscillation circuit |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61281706A (en) * | 1985-06-07 | 1986-12-12 | Nec Corp | Oscillation circuit |
| JPS634701A (en) * | 1986-06-25 | 1988-01-09 | Toshiba Corp | Integrated circuit for oscillation circuit |
-
1988
- 1988-02-15 JP JP1753388U patent/JPH01122614U/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61281706A (en) * | 1985-06-07 | 1986-12-12 | Nec Corp | Oscillation circuit |
| JPS634701A (en) * | 1986-06-25 | 1988-01-09 | Toshiba Corp | Integrated circuit for oscillation circuit |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08307154A (en) * | 1995-04-28 | 1996-11-22 | Lg Semicon Co Ltd | Oscillation circuit |
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