JPS62129855U - - Google Patents
Info
- Publication number
- JPS62129855U JPS62129855U JP1630786U JP1630786U JPS62129855U JP S62129855 U JPS62129855 U JP S62129855U JP 1630786 U JP1630786 U JP 1630786U JP 1630786 U JP1630786 U JP 1630786U JP S62129855 U JPS62129855 U JP S62129855U
- Authority
- JP
- Japan
- Prior art keywords
- phase
- controlled oscillator
- voltage controlled
- output
- frequency
- 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
- 230000008929 regeneration Effects 0.000 claims 1
- 238000011069 regeneration method Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
Description
第１図は本考案の一実施例の構成を示すブロツ
ク図。第２図は従来例の構成を示すブロツク図。
４……混合器、５……移相器、６……位相比較
器、７……ローパスフイルタ、１０……電圧制御
発振器、１１……分周器。
FIG. 1 is a block diagram showing the configuration of an embodiment of the present invention. FIG. 2 is a block diagram showing the configuration of a conventional example. 4... Mixer, 5... Phase shifter, 6... Phase comparator, 7... Low pass filter, 10... Voltage controlled oscillator, 11... Frequency divider.
Claims (1)
Ｋ信号搬送波のｎ倍周波数を発振中心周波数とす
る電圧制御発振器と、電圧制御発振器の発振出力
とｎ相ＰＳＫ信号とを混合する混合器と、混合器
の出力と移相器の出力とを位相比較する位相比較
器と、電圧制御発振器の発振周波数を分周する分
周器とを備え、位相比較器の出力にともなつて電
圧制御発振器の発振周波数を制御するようにした
ＰＳＫ搬送波再生回路。 A phase shifter that shifts the phase of an n-phase PSK signal, and an n-phase PSK signal.
A voltage controlled oscillator whose oscillation center frequency is n times the frequency of the K signal carrier wave, a mixer which mixes the oscillation output of the voltage controlled oscillator and an n-phase PSK signal, and a phase difference between the output of the mixer and the output of the phase shifter. A PSK carrier wave regeneration circuit includes a phase comparator for comparison and a frequency divider for dividing the oscillation frequency of a voltage controlled oscillator, and controls the oscillation frequency of the voltage controlled oscillator in accordance with the output of the phase comparator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1630786U JPS62129855U (en) | 1986-02-08 | 1986-02-08 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1630786U JPS62129855U (en) | 1986-02-08 | 1986-02-08 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62129855U true JPS62129855U (en) | 1987-08-17 |
Family
ID=30808046
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1630786U Pending JPS62129855U (en) | 1986-02-08 | 1986-02-08 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62129855U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS55138951A (en) * | 1979-04-17 | 1980-10-30 | Matsushita Graphic Commun Syst Inc | Carrier wave regeneration device |
-
1986
- 1986-02-08 JP JP1630786U patent/JPS62129855U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS55138951A (en) * | 1979-04-17 | 1980-10-30 | Matsushita Graphic Commun Syst Inc | Carrier wave regeneration device |
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