JPS6364106U - - Google Patents
Info
- Publication number
- JPS6364106U JPS6364106U JP15826386U JP15826386U JPS6364106U JP S6364106 U JPS6364106 U JP S6364106U JP 15826386 U JP15826386 U JP 15826386U JP 15826386 U JP15826386 U JP 15826386U JP S6364106 U JPS6364106 U JP S6364106U
- Authority
- JP
- Japan
- Prior art keywords
- voltage
- controlled oscillator
- correction circuit
- supplies
- signal
- 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
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
Description
第１図は本考案の一実施例を示すブロツク図、
第２図は変調周波数対周波数偏移を示す説明図、
第３図は従来例を示すブロツク図である。
１……電圧制御発振器、２……分周器、３……
位相比較器、４……ループフイルタ、５……基準
信号、６……変調信号、７……変調出力信号、８
……低域変調周波数補正回路。
FIG. 1 is a block diagram showing an embodiment of the present invention.
Figure 2 is an explanatory diagram showing modulation frequency versus frequency deviation;
FIG. 3 is a block diagram showing a conventional example. 1... Voltage controlled oscillator, 2... Frequency divider, 3...
Phase comparator, 4...Loop filter, 5...Reference signal, 6...Modulation signal, 7...Modulation output signal, 8
...Low frequency modulation frequency correction circuit.
Claims (1)
器により基準信号と比較し、これら信号の位相差
に対応した出力電圧をループフイルタを介して電
圧制御発振器に供給する位相同期ループの電圧制
御発振器に変調信号を供給してなるＦＭ変調器に
おいて、低域変調周波数補正回路を設け、この補
正回路を介して電圧制御発振器に変調信号を供給
することを特徴とするＦＭ変調器。 A phase-locked loop voltage-controlled oscillator that divides the output signal of the voltage-controlled oscillator, compares it with a reference signal using a phase comparator, and supplies an output voltage corresponding to the phase difference between these signals to the voltage-controlled oscillator via a loop filter. 1. An FM modulator which supplies a modulation signal to a voltage controlled oscillator, characterized in that it is provided with a low frequency modulation frequency correction circuit, and the modulation signal is supplied to a voltage controlled oscillator via this correction circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15826386U JPS6364106U (en) | 1986-10-17 | 1986-10-17 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15826386U JPS6364106U (en) | 1986-10-17 | 1986-10-17 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6364106U true JPS6364106U (en) | 1988-04-27 |
Family
ID=31081592
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15826386U Pending JPS6364106U (en) | 1986-10-17 | 1986-10-17 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6364106U (en) |
-
1986
- 1986-10-17 JP JP15826386U patent/JPS6364106U/ja active Pending