JPS6333221U - - Google Patents
Info
- Publication number
- JPS6333221U JPS6333221U JP12671986U JP12671986U JPS6333221U JP S6333221 U JPS6333221 U JP S6333221U JP 12671986 U JP12671986 U JP 12671986U JP 12671986 U JP12671986 U JP 12671986U JP S6333221 U JPS6333221 U JP S6333221U
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- phase
- charge pump
- diagram showing
- phase comparator
- 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 8
- 230000003111 delayed effect Effects 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 1
Landscapes
- Transmitters (AREA)
- Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
- Superheterodyne Receivers (AREA)
Description
第１図は本考案の一実施例を示す回路構成図、
第２図は位相制御ループが同期している状態にお
ける従来の位相比較器の主要部信号波形を示す図
、第３図は従来の位相比較器を示す回路図、第４
図〜第７図は第３図の説明図であり、第４図は位
相比較信号が遅れ位相の場合の各部信号波形を示
す図、第５図は位相比較信号が進み位相の場合の
各部信号波形を示す図、第６図は位相比較信号が
同相の場合の各部信号波形を示す図、第７図は第
１図及び第３図の位相比較回路６を示す詳細図で
ある。
１……基準信号入力端子及び信号波形、２……
比較信号入力端子及び信号波形、３……遅れ位相
時の位相比較回路６の出力端子及び信号波形、４
……進み位相時の位相比較回路６の出力端子及び
信号波形、５……チヤージポンプ出力端子及び信
号波形、６……位相比較回路、７……チヤージポ
ンプ回路、８……定電流回路、９……電流制御用
抵抗。
FIG. 1 is a circuit diagram showing an embodiment of the present invention;
Fig. 2 is a diagram showing the main signal waveforms of a conventional phase comparator when the phase control loop is synchronized, Fig. 3 is a circuit diagram showing the conventional phase comparator, and Fig. 4
7 to 7 are explanatory diagrams of FIG. 3, FIG. 4 is a diagram showing the signal waveforms of each part when the phase comparison signal is in a delayed phase, and FIG. 5 is a diagram showing each part's signal waveform when the phase comparison signal is in an advanced phase. FIG. 6 is a diagram showing waveforms of various parts when the phase comparison signals are in phase, and FIG. 7 is a detailed diagram showing the phase comparison circuit 6 of FIGS. 1 and 3. 1... Reference signal input terminal and signal waveform, 2...
Comparison signal input terminal and signal waveform, 3... Output terminal and signal waveform of phase comparison circuit 6 at the time of delayed phase, 4
. . . Output terminal and signal waveform of phase comparison circuit 6 during leading phase, 5 . . . Charge pump output terminal and signal waveform, 6 . . . Phase comparison circuit, 7 . Resistor for current control.
Claims (1)
ヤージポンプ回路とを有する位相比較器において
、該チヤージポンプ回路の出力回路に電流値を制
御できる定電流回路を有することを特徴とする位
相比較器。 A phase comparator comprising a phase comparator circuit and a charge pump circuit constituting a phase control loop, characterized in that the output circuit of the charge pump circuit has a constant current circuit capable of controlling a current value.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12671986U JPS6333221U (en) | 1986-08-20 | 1986-08-20 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12671986U JPS6333221U (en) | 1986-08-20 | 1986-08-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6333221U true JPS6333221U (en) | 1988-03-03 |
Family
ID=31020793
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12671986U Pending JPS6333221U (en) | 1986-08-20 | 1986-08-20 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6333221U (en) |
-
1986
- 1986-08-20 JP JP12671986U patent/JPS6333221U/ja active Pending
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