JPS60176353A - 受信周波数補正方式 - Google Patents
受信周波数補正方式Info
- Publication number
- JPS60176353A JPS60176353A JP3041484A JP3041484A JPS60176353A JP S60176353 A JPS60176353 A JP S60176353A JP 3041484 A JP3041484 A JP 3041484A JP 3041484 A JP3041484 A JP 3041484A JP S60176353 A JPS60176353 A JP S60176353A
- Authority
- JP
- Japan
- Prior art keywords
- output
- lower limits
- range
- discriminator
- operational amplifier
- 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.)
- Granted
Links
- 238000000034 method Methods 0.000 claims description 22
- 238000001514 detection method Methods 0.000 claims description 17
- 238000010586 diagram Methods 0.000 description 9
- 230000010355 oscillation Effects 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 241001494908 Akihito Species 0.000 description 1
- 241000963438 Gaussia <copepod> Species 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 230000008929 regeneration Effects 0.000 description 1
- 238000011069 regeneration method Methods 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 230000002747 voluntary effect Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/10—Frequency-modulated carrier systems, i.e. using frequency-shift keying
- H04L27/16—Frequency regulation arrangements
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
- Channel Selection Circuits, Automatic Tuning Circuits (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3041484A JPS60176353A (ja) | 1984-02-22 | 1984-02-22 | 受信周波数補正方式 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3041484A JPS60176353A (ja) | 1984-02-22 | 1984-02-22 | 受信周波数補正方式 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS60176353A true JPS60176353A (ja) | 1985-09-10 |
| JPH051662B2 JPH051662B2 (enrdf_load_stackoverflow) | 1993-01-08 |
Family
ID=12303285
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3041484A Granted JPS60176353A (ja) | 1984-02-22 | 1984-02-22 | 受信周波数補正方式 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60176353A (enrdf_load_stackoverflow) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03139941A (ja) * | 1989-10-25 | 1991-06-14 | Nec Corp | 周波数変調波受信装置 |
| JPH04264851A (ja) * | 1991-02-19 | 1992-09-21 | Tokyo Electric Co Ltd | 受信機の自動周波数制御方法 |
| US6226505B1 (en) | 1996-11-20 | 2001-05-01 | Nec Corporation | Automatic frequency correction apparatus and method for radio calling system |
| JP2006332878A (ja) * | 2005-05-24 | 2006-12-07 | Japan Radio Co Ltd | 2シンボル区間積分出力の閾値設定装置 |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5523674A (en) * | 1978-08-09 | 1980-02-20 | Fujitsu Ten Ltd | Correction circuit for intermediate frequency |
-
1984
- 1984-02-22 JP JP3041484A patent/JPS60176353A/ja active Granted
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5523674A (en) * | 1978-08-09 | 1980-02-20 | Fujitsu Ten Ltd | Correction circuit for intermediate frequency |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03139941A (ja) * | 1989-10-25 | 1991-06-14 | Nec Corp | 周波数変調波受信装置 |
| JPH04264851A (ja) * | 1991-02-19 | 1992-09-21 | Tokyo Electric Co Ltd | 受信機の自動周波数制御方法 |
| US6226505B1 (en) | 1996-11-20 | 2001-05-01 | Nec Corporation | Automatic frequency correction apparatus and method for radio calling system |
| JP2006332878A (ja) * | 2005-05-24 | 2006-12-07 | Japan Radio Co Ltd | 2シンボル区間積分出力の閾値設定装置 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH051662B2 (enrdf_load_stackoverflow) | 1993-01-08 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EXPY | Cancellation because of completion of term |