JPS615285B2 - - Google Patents
Info
- Publication number
- JPS615285B2 JPS615285B2 JP55021104A JP2110480A JPS615285B2 JP S615285 B2 JPS615285 B2 JP S615285B2 JP 55021104 A JP55021104 A JP 55021104A JP 2110480 A JP2110480 A JP 2110480A JP S615285 B2 JPS615285 B2 JP S615285B2
- Authority
- JP
- Japan
- 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.)
- Expired
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03C—MODULATION
- H03C3/00—Angle modulation
- H03C3/02—Details
- H03C3/09—Modifications of modulator for regulating the mean frequency
- H03C3/0908—Modifications of modulator for regulating the mean frequency using a phase locked loop
- H03C3/0958—Modifications of modulator for regulating the mean frequency using a phase locked loop applying frequency modulation by varying the characteristics of the voltage controlled oscillator
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03C—MODULATION
- H03C3/00—Angle modulation
- H03C3/02—Details
- H03C3/09—Modifications of modulator for regulating the mean frequency
- H03C3/0908—Modifications of modulator for regulating the mean frequency using a phase locked loop
- H03C3/0916—Modifications of modulator for regulating the mean frequency using a phase locked loop with frequency divider or counter in the loop
- H03C3/0925—Modifications of modulator for regulating the mean frequency using a phase locked loop with frequency divider or counter in the loop applying frequency modulation at the divider in the feedback loop
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03C—MODULATION
- H03C3/00—Angle modulation
- H03C3/02—Details
- H03C3/09—Modifications of modulator for regulating the mean frequency
- H03C3/0908—Modifications of modulator for regulating the mean frequency using a phase locked loop
- H03C3/0941—Modifications of modulator for regulating the mean frequency using a phase locked loop applying frequency modulation at more than one point in the loop
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2110480A JPS56117405A (en) | 1980-02-21 | 1980-02-21 | Fm modulation system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2110480A JPS56117405A (en) | 1980-02-21 | 1980-02-21 | Fm modulation system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS56117405A JPS56117405A (en) | 1981-09-14 |
| JPS615285B2 true JPS615285B2 (ko) | 1986-02-17 |
Family
ID=12045557
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2110480A Granted JPS56117405A (en) | 1980-02-21 | 1980-02-21 | Fm modulation system |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS56117405A (ko) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2140234B (en) * | 1983-05-17 | 1986-07-23 | Marconi Instruments Ltd | Signal generators |
| GB2214012B (en) * | 1987-12-23 | 1992-01-22 | Marconi Instruments Ltd | Frequency or phase modulation |
| JPH02124607A (ja) * | 1988-11-02 | 1990-05-11 | Matsushita Electric Ind Co Ltd | シンセサイズド信号発生装置 |
| WO1990011643A1 (en) * | 1989-03-27 | 1990-10-04 | Motorola, Inc. | Frequency synthesizer with fm modulation |
-
1980
- 1980-02-21 JP JP2110480A patent/JPS56117405A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS56117405A (en) | 1981-09-14 |