JPH0228143U - - Google Patents
Info
- Publication number
- JPH0228143U JPH0228143U JP10611288U JP10611288U JPH0228143U JP H0228143 U JPH0228143 U JP H0228143U JP 10611288 U JP10611288 U JP 10611288U JP 10611288 U JP10611288 U JP 10611288U JP H0228143 U JPH0228143 U JP H0228143U
- Authority
- JP
- Japan
- Prior art keywords
- converter
- information
- temperature sensor
- digital
- reference voltage
- 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
- 230000006870 function Effects 0.000 claims 2
- 230000010355 oscillation Effects 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
Description
第１図はこの考案の一実施例を示すブロツク図
、第２図は従来例を示すブロツク図である。
１……温度センサー、２……電圧制御形圧電発
振器、３……Ａ／Ｄ変換器、４……ＲＯＭ、５…
…Ｄ／Ａ変換器、６……基準電圧供給部。
FIG. 1 is a block diagram showing an embodiment of this invention, and FIG. 2 is a block diagram showing a conventional example. 1... Temperature sensor, 2... Voltage controlled piezoelectric oscillator, 3... A/D converter, 4... ROM, 5...
...D/A converter, 6...Reference voltage supply section.
Claims (1)
れる周波数制御関数の情報をアナログ―デジタル
変化するＡ／Ｄ変換器と、このＡ／Ｄ変換器から
の情報を記憶するメモリーと、このメモリーに記
憶された情報をデジタル―アナログ変換するＤ／
Ａ変換器と、このＤ／Ａ変換器からの情報に応じ
た周波数信号を発する電圧制御形圧電発振器と、
前記温度センサー、Ａ／Ｄ変換器およびＤ／Ａ変
換器に基準電圧情報を供給する基準電圧供給部と
を備えたデジタル式温度補償付き発振回路におい
て、 前記温度センサーから出力される周波数制御関
数の情報をＤ／Ａ変換器に供給される基準電圧情
報に与えたことを特徴とする温度補償付き発振回
路。[Claims for Utility Model Registration] A temperature sensor, an A/D converter that changes frequency control function information output from the temperature sensor from analog to digital, and a memory that stores information from the A/D converter. and D/ which converts the information stored in this memory from digital to analog.
A converter; a voltage-controlled piezoelectric oscillator that emits a frequency signal according to information from the D/A converter;
A digital temperature-compensated oscillation circuit comprising the temperature sensor, an A/D converter, and a reference voltage supply unit that supplies reference voltage information to the D/A converter, wherein the frequency control function output from the temperature sensor is An oscillation circuit with temperature compensation, characterized in that information is given to reference voltage information supplied to a D/A converter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10611288U JPH0228143U (en) | 1988-08-11 | 1988-08-11 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10611288U JPH0228143U (en) | 1988-08-11 | 1988-08-11 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0228143U true JPH0228143U (en) | 1990-02-23 |
Family
ID=31339332
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10611288U Pending JPH0228143U (en) | 1988-08-11 | 1988-08-11 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0228143U (en) |
-
1988
- 1988-08-11 JP JP10611288U patent/JPH0228143U/ja active Pending
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