JPS6037939U - Frequency stabilization device for wireless communication equipment - Google Patents
Frequency stabilization device for wireless communication equipmentInfo
- Publication number
- JPS6037939U JPS6037939U JP1983129368U JP12936883U JPS6037939U JP S6037939 U JPS6037939 U JP S6037939U JP 1983129368 U JP1983129368 U JP 1983129368U JP 12936883 U JP12936883 U JP 12936883U JP S6037939 U JPS6037939 U JP S6037939U
- Authority
- JP
- Japan
- Prior art keywords
- wireless communication
- oscillation frequency
- communication equipment
- stabilization device
- frequency stabilization
- 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
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は無線通信回線の説明図、第２図は本発明に係わ
る無線通信機器の周波数安定化装置の構成図、である。
１・・・・・・基地局、２・・・・・・移動局、５・・
・・・・局部発振器、９・・・・・・スケルチ回路、１
０・・・・・・搬送波周波数弁別器、１１・・・・・・
水晶発振子、１２・・・・・・マイクロコンピュータ、
１３・・・・・・ＰＲＯＭ、１４・・・・・・温度セン
サ。FIG. 1 is an explanatory diagram of a wireless communication line, and FIG. 2 is a configuration diagram of a frequency stabilizing device for a wireless communication device according to the present invention. 1...Base station, 2...Mobile station, 5...
...Local oscillator, 9...Squelch circuit, 1
0...Carrier frequency discriminator, 11...
Crystal oscillator, 12... microcomputer,
13...PROM, 14...Temperature sensor.
Claims (1)
メモリに記憶されたドリフト補償値でデジタル補正する
マイクロコンピュータが設けられている無線通信機器に
おいて、基地局の発振周波数と移動局の発振周波数との
ずれを検出する検出器が設けられ、前記マイクロコンピ
ュータは前記検出器の出力に基づいて、前記基地局の発
振周波数と前記移動局の発振周波数とのずれがなくなる
ように前記ドリフト補償値を補正することを特徴とする
無線通信機器の周波数安定化装置。The drift of the oscillation frequency due to temperature changes in the local oscillator is
A wireless communication device is provided with a microcomputer that performs digital correction using a drift compensation value stored in a memory, and a detector that detects a difference between the oscillation frequency of a base station and the oscillation frequency of a mobile station is provided, and the microcomputer A frequency stabilizing device for a wireless communication device, wherein the drift compensation value is corrected based on the output of the detector so that there is no deviation between the oscillation frequency of the base station and the oscillation frequency of the mobile station. .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1983129368U JPS6037939U (en) | 1983-08-23 | 1983-08-23 | Frequency stabilization device for wireless communication equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1983129368U JPS6037939U (en) | 1983-08-23 | 1983-08-23 | Frequency stabilization device for wireless communication equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6037939U true JPS6037939U (en) | 1985-03-15 |
Family
ID=30293149
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1983129368U Pending JPS6037939U (en) | 1983-08-23 | 1983-08-23 | Frequency stabilization device for wireless communication equipment |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6037939U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63290414A (en) * | 1987-05-22 | 1988-11-28 | Mitsubishi Electric Corp | Automobile telephone set |
| JPH02246563A (en) * | 1989-03-20 | 1990-10-02 | Oki Electric Ind Co Ltd | Radio communication equipment |
-
1983
- 1983-08-23 JP JP1983129368U patent/JPS6037939U/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63290414A (en) * | 1987-05-22 | 1988-11-28 | Mitsubishi Electric Corp | Automobile telephone set |
| JPH02246563A (en) * | 1989-03-20 | 1990-10-02 | Oki Electric Ind Co Ltd | Radio communication equipment |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPS6037939U (en) | Frequency stabilization device for wireless communication equipment | |
| JPS5830355U (en) | FM receiver | |
| JPH0831888B2 (en) | Wireless communication device | |
| JPS59149747U (en) | wireless telephone equipment | |
| JPS5917654U (en) | superheterodyne receiver | |
| JPS5890755U (en) | frequency modulator | |
| JPH1041786A (en) | Digital portable telephone device | |
| JPS5830359U (en) | Receiving machine | |
| JPS61156310U (en) | ||
| JPH0273728A (en) | Digital mobile radio equipment | |
| JPS5961641U (en) | radio receiver | |
| JPS60158330U (en) | Scan automatic switching electronic circuit for electronic tuning radio | |
| JPS5868758U (en) | fm radio receiver | |
| JPS61203374U (en) | ||
| JPS5981111U (en) | Frequency modulation demodulator | |
| JPS58123639U (en) | Output derivation circuit for PLL | |
| JPS59104643U (en) | AM receiver | |
| JPS61126640U (en) | ||
| JPS6019214U (en) | FM modulation oscillation circuit | |
| JPS58176414U (en) | FM demodulation circuit | |
| JPS58166137U (en) | receiving device | |
| JPS58503U (en) | Synchronous detection circuit | |
| JPS5813749U (en) | AM receiver | |
| JPS596344U (en) | wavelength display device | |
| JPS6188345U (en) |