JPS648824U - - Google Patents
Info
- Publication number
- JPS648824U JPS648824U JP10401887U JP10401887U JPS648824U JP S648824 U JPS648824 U JP S648824U JP 10401887 U JP10401887 U JP 10401887U JP 10401887 U JP10401887 U JP 10401887U JP S648824 U JPS648824 U JP S648824U
- Authority
- JP
- Japan
- Prior art keywords
- oscillator
- connection point
- varactor diode
- control voltage
- controlled oscillator
- 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 description 3
- 239000003990 capacitor Substances 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 6
- 230000035945 sensitivity Effects 0.000 description 3
Description
第１図は本考案の一実施例による電圧制御発振
器の回路図、第２図は本考案の効果を説明するた
めの変調入力感度偏差特性図、第３図は従来の電
圧制御発振器の回路図、第４図は制御電圧―発振
周波数特性図、第５図は変調入力感度偏差を定義
するための特性図、第６図はコイルのインダクタ
ンスを変化させた場合の変調入力感度偏差特性図
である。
図において、１は発振回路、４はバラクタダイ
オード、７は制御電圧端子、１０は容量である。
Figure 1 is a circuit diagram of a voltage controlled oscillator according to an embodiment of the present invention, Figure 2 is a modulation input sensitivity deviation characteristic diagram for explaining the effects of the present invention, and Figure 3 is a circuit diagram of a conventional voltage controlled oscillator. , Fig. 4 is a control voltage-oscillation frequency characteristic diagram, Fig. 5 is a characteristic diagram for defining modulation input sensitivity deviation, and Fig. 6 is a modulation input sensitivity deviation characteristic diagram when changing the inductance of the coil. . In the figure, 1 is an oscillation circuit, 4 is a varactor diode, 7 is a control voltage terminal, and 10 is a capacitor.
Claims (1)
御電圧端子を接続し、該端子への制御電圧を変化
させて発振周波数を可変できるようにした電圧制
御発振器において、上記バラクタダイオードの上
記接続点とアースとの間に容量を接続したことを
特徴とする電圧制御発振器。 In a voltage controlled oscillator in which a control voltage terminal is connected to the connection point between the oscillation circuit and the varactor diode, and the oscillation frequency can be varied by changing the control voltage to the terminal, the connection point of the varactor diode and the ground are connected. A voltage controlled oscillator characterized in that a capacitor is connected between the oscillator and the oscillator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10401887U JPS648824U (en) | 1987-07-06 | 1987-07-06 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10401887U JPS648824U (en) | 1987-07-06 | 1987-07-06 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS648824U true JPS648824U (en) | 1989-01-18 |
Family
ID=31335364
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10401887U Pending JPS648824U (en) | 1987-07-06 | 1987-07-06 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS648824U (en) |
-
1987
- 1987-07-06 JP JP10401887U patent/JPS648824U/ja active Pending
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