JPS62141217U - - Google Patents
Info
- Publication number
- JPS62141217U JPS62141217U JP2888786U JP2888786U JPS62141217U JP S62141217 U JPS62141217 U JP S62141217U JP 2888786 U JP2888786 U JP 2888786U JP 2888786 U JP2888786 U JP 2888786U JP S62141217 U JPS62141217 U JP S62141217U
- Authority
- JP
- Japan
- Prior art keywords
- square wave
- flip
- frequency
- flop
- crystal resonator
- 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 4
- 230000010355 oscillation Effects 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Oscillators With Electromechanical Resonators (AREA)
Description
第１図はこの考案による方形波発生回路の実施
例を示す回路図、第２図は従来装置の回路図であ
る。
図中、１５は水晶発振器、１６は分周器、１７
はＩＣ素子、１８，１９はフリツプフロツプ、２
０は水晶共振子である。
FIG. 1 is a circuit diagram showing an embodiment of the square wave generating circuit according to this invention, and FIG. 2 is a circuit diagram of a conventional device. In the figure, 15 is a crystal oscillator, 16 is a frequency divider, and 17
is an IC element, 18 and 19 are flip-flops, 2
0 is a crystal resonator.
Claims (1)
有する水晶共振子と、２個のフリツプフロツプが
形成されているＩＣ素子とを備えた方形波発生回
路であつて、 上記水晶共振子と上記一方のフリツプフロツプ
とで発振回路が形成されるとともに、上記他方の
フリツプフロツプにて１／２分周器が形成され、
該分周器を介して上記発振回路の出力周波数を分
周することにより所望周波数の方形波信号が得ら
れるようにしたことを特徴とする方形波発生回路
。 (2) 上記ＩＣ素子はＣ―ＭＯＳ形であることを
特徴とする実用新案登録請求の範囲第１項記載の
方形波発生回路。 (3) 上記フリツプフロツプはＤ形であることを
特徴とする実用新案登録請求の範囲第１項記載の
方形波発生回路。[Claims for Utility Model Registration] (1) A square wave generation circuit comprising a crystal resonator having a natural frequency twice as high as a desired frequency and an IC element in which two flip-flops are formed. The crystal resonator and the one flip-flop form an oscillation circuit, and the other flip-flop forms a 1/2 frequency divider,
A square wave generation circuit characterized in that a square wave signal of a desired frequency can be obtained by dividing the output frequency of the oscillation circuit through the frequency divider. (2) The square wave generating circuit according to claim 1, wherein the IC element is a C-MOS type. (3) The square wave generating circuit according to claim 1, wherein the flip-flop is D-type.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2888786U JPS62141217U (en) | 1986-02-28 | 1986-02-28 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2888786U JPS62141217U (en) | 1986-02-28 | 1986-02-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62141217U true JPS62141217U (en) | 1987-09-05 |
Family
ID=30832265
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2888786U Pending JPS62141217U (en) | 1986-02-28 | 1986-02-28 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62141217U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS56152310A (en) * | 1980-04-26 | 1981-11-25 | Mitsubishi Electric Corp | Oscillating circuit |
-
1986
- 1986-02-28 JP JP2888786U patent/JPS62141217U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS56152310A (en) * | 1980-04-26 | 1981-11-25 | Mitsubishi Electric Corp | Oscillating circuit |
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