JPH01126618U - - Google Patents
Info
- Publication number
- JPH01126618U JPH01126618U JP1618388U JP1618388U JPH01126618U JP H01126618 U JPH01126618 U JP H01126618U JP 1618388 U JP1618388 U JP 1618388U JP 1618388 U JP1618388 U JP 1618388U JP H01126618 U JPH01126618 U JP H01126618U
- Authority
- JP
- Japan
- Prior art keywords
- metal block
- oscillation circuit
- substrate
- housed
- package
- 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 12
- 239000002184 metal Substances 0.000 claims description 9
- 230000010355 oscillation Effects 0.000 claims description 7
- 239000000758 substrate Substances 0.000 claims description 6
- 238000010438 heat treatment Methods 0.000 claims description 4
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Oscillators With Electromechanical Resonators (AREA)
Description
第１図は本考案の一実施例の恒温槽型水晶発振
器を示す断面図、第２図はその恒温槽型水晶発振
器及び従来の恒温槽型水晶発振器の周波数温度安
定度を示す曲線図、第３図は従来の恒温槽型水晶
発振器を示す断面図、第４図はその恒温槽型水晶
発振器の水晶振動子の周波数温度安定度を示す曲
線図である。
１，９……水晶振動子、１ａ，２ａ……端子、
２，１０……発振回路、３，１１……感温素子、
４，１２……発熱体、５，１３……金属製ブロツ
ク、６……基板、７，１５……サポート、８，１
６……恒温槽、１４……プリント基板、１７，１
８……穴。
FIG. 1 is a cross-sectional view showing an oven-controlled crystal oscillator according to an embodiment of the present invention, FIG. 2 is a curve diagram showing frequency temperature stability of the oven-controlled crystal oscillator and a conventional oven-controlled crystal oscillator, FIG. 3 is a sectional view showing a conventional oven-controlled crystal oscillator, and FIG. 4 is a curve diagram showing the frequency temperature stability of the crystal resonator of the oven-controlled crystal oscillator. 1, 9...Crystal resonator, 1a, 2a...Terminal,
2, 10... Oscillation circuit, 3, 11... Temperature sensing element,
4,12...Heating element, 5,13...Metal block, 6...Substrate, 7,15...Support, 8,1
6... Constant temperature chamber, 14... Printed circuit board, 17,1
8...hole.
Claims (1)
素子、発熱体および基板が収容してある恒温槽と
、前記感温素子の出力に応じて前記発熱体に流す
電流を調整して前記金属製ブロツクの温度を制御
する温度制御回路とを備え、前記基板がサポート
を介して前記恒温槽の内部に固定してあり、前記
基板上に前記金属製ブロツクが実装してあり、前
記金属製ブロツクに前記発熱体が固着してあり、
前記金属製ブロツクに前記感温素子が内蔵してあ
る恒温槽型水晶発振器において、前記発振回路が
パツケージに収容してあり、前記金属製ブロツク
に２つの穴が設けてあり、前記基板上に近接配置
された前記水晶振動子と前記発振回路とが前記金
属製ブロツクの前記各穴にそれぞれ収容してある
ことを特徴とする恒温槽型水晶発振器。 A thermostat containing a crystal resonator, an oscillation circuit, a metal block, a temperature sensing element, a heating element, and a substrate, and a thermostatic chamber containing a crystal resonator, an oscillation circuit, a metal block, a temperature sensing element, a heating element, and a substrate; and a temperature control circuit for controlling the temperature of the block, the substrate is fixed inside the constant temperature oven via a support, the metal block is mounted on the substrate, and the metal block is mounted on the substrate. the heating element is fixed;
In the constant temperature oven type crystal oscillator in which the temperature sensing element is built in the metal block, the oscillation circuit is housed in a package, two holes are provided in the metal block, and the oscillation circuit is housed in a package, and two holes are provided in the metal block, and the oscillation circuit is housed in a package. A constant temperature oven type crystal oscillator, characterized in that the arranged crystal resonator and the oscillation circuit are housed in each of the holes of the metal block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1618388U JPH01126618U (en) | 1988-02-09 | 1988-02-09 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1618388U JPH01126618U (en) | 1988-02-09 | 1988-02-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01126618U true JPH01126618U (en) | 1989-08-30 |
Family
ID=31228886
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1618388U Pending JPH01126618U (en) | 1988-02-09 | 1988-02-09 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01126618U (en) |
-
1988
- 1988-02-09 JP JP1618388U patent/JPH01126618U/ja active Pending
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