JPS6230426U - - Google Patents
Info
- Publication number
- JPS6230426U JPS6230426U JP11959485U JP11959485U JPS6230426U JP S6230426 U JPS6230426 U JP S6230426U JP 11959485 U JP11959485 U JP 11959485U JP 11959485 U JP11959485 U JP 11959485U JP S6230426 U JPS6230426 U JP S6230426U
- Authority
- JP
- Japan
- Prior art keywords
- voltage
- phase difference
- signal
- generating
- oscillation
- 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
- 230000010355 oscillation Effects 0.000 claims 4
- 238000010586 diagram Methods 0.000 description 4
Landscapes
- Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
Description
第１図は本考案の一実施例を示す回路図、第２
図は第１図の具体的回路構成を示す回路図、第３
図は従来例を示す回路図である。
主要部分の符号の説明、１……電圧制御発振器
（ＶＣＯ）、２……分周器、４……ループフイル
タ回路、８ａ，８Ｂ……分圧回路。
Figure 1 is a circuit diagram showing one embodiment of the present invention, Figure 2 is a circuit diagram showing an embodiment of the present invention.
The figure is a circuit diagram showing the specific circuit configuration of Figure 1, and Figure 3.
The figure is a circuit diagram showing a conventional example. Explanation of symbols of main parts: 1... Voltage controlled oscillator (VCO), 2... Frequency divider, 4... Loop filter circuit, 8a, 8B... Voltage dividing circuit.
Claims (1)
生する電圧制御発振手段と、前記発振信号と所定
周波数の基準信号との位相差の大きさに応じた位
相差信号を発生する位相比較手段と、前記位相差
信号に応じたレベルの直流電圧を前記電圧制御発
振手段に供給するループフイルタ手段とを含み、
前記ループフイルタ手段は出力電圧の最小値及び
最大値を所定レベル範囲内に保持する分圧回路を
有することを特徴とするフエイズロツクループ回
路。 voltage-controlled oscillation means for generating an oscillation signal with a frequency corresponding to an input voltage level; phase comparison means for generating a phase difference signal according to the magnitude of the phase difference between the oscillation signal and a reference signal of a predetermined frequency; loop filter means for supplying a DC voltage at a level corresponding to the phase difference signal to the voltage controlled oscillation means,
A phase lock loop circuit characterized in that said loop filter means has a voltage dividing circuit that maintains a minimum value and a maximum value of an output voltage within a predetermined level range.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11959485U JPS6230426U (en) | 1985-08-03 | 1985-08-03 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11959485U JPS6230426U (en) | 1985-08-03 | 1985-08-03 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6230426U true JPS6230426U (en) | 1987-02-24 |
Family
ID=31007112
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11959485U Pending JPS6230426U (en) | 1985-08-03 | 1985-08-03 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6230426U (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59115623A (en) * | 1982-12-22 | 1984-07-04 | Seiko Epson Corp | Pll |
| JPS6054523A (en) * | 1983-09-05 | 1985-03-29 | Victor Co Of Japan Ltd | Phase lock loop circuit |
-
1985
- 1985-08-03 JP JP11959485U patent/JPS6230426U/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59115623A (en) * | 1982-12-22 | 1984-07-04 | Seiko Epson Corp | Pll |
| JPS6054523A (en) * | 1983-09-05 | 1985-03-29 | Victor Co Of Japan Ltd | Phase lock loop circuit |
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