JPS6224535U - - Google Patents
Info
- Publication number
- JPS6224535U JPS6224535U JP11671285U JP11671285U JPS6224535U JP S6224535 U JPS6224535 U JP S6224535U JP 11671285 U JP11671285 U JP 11671285U JP 11671285 U JP11671285 U JP 11671285U JP S6224535 U JPS6224535 U JP S6224535U
- Authority
- JP
- Japan
- Prior art keywords
- control circuit
- voltage control
- fet
- multivibrator
- resistor
- 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
- 239000003990 capacitor Substances 0.000 claims description 2
- 230000010355 oscillation Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
Description
第１図は、この考案の実施例を示す回路図、第
２図は従来の電圧制御発振器を示す回路図である
。
図において、５は電圧制御回路、６はトランジ
スタ無安定マルチバイブレータ、８はキヤパシタ
、９は抵抗、１０は接合型ＦＥＴ、１１は電圧設
定抵抗である。なお、各図中同一符号は同一また
は相当部分を示す。
FIG. 1 is a circuit diagram showing an embodiment of this invention, and FIG. 2 is a circuit diagram showing a conventional voltage controlled oscillator. In the figure, 5 is a voltage control circuit, 6 is a transistor astable multivibrator, 8 is a capacitor, 9 is a resistor, 10 is a junction FET, and 11 is a voltage setting resistor. Note that the same reference numerals in each figure indicate the same or corresponding parts.
Claims (1)
タと、マルチバイブレータの発振周波数を制御す
る演算増幅器を用いた電圧制御回路と、この電圧
制御回路に接続された接合型ＦＥＴ（Ｆｉｅｌｄ
Ｅｆ−ｌｅｃｔ Ｔｒａｎｓｉｓｔｏｒ）と、
そのＦＥＴのスイツチング動作を制御するキヤパ
シタと抵抗を備えたことを特徴とする電圧制御発
振器。 An astable multivibrator using transistors, a voltage control circuit using an operational amplifier that controls the oscillation frequency of the multivibrator, and a junction FET (Field) connected to this voltage control circuit.
Ef-elect Transistor) and
A voltage controlled oscillator characterized by comprising a capacitor and a resistor for controlling the switching operation of the FET.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11671285U JPS6224535U (en) | 1985-07-30 | 1985-07-30 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11671285U JPS6224535U (en) | 1985-07-30 | 1985-07-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6224535U true JPS6224535U (en) | 1987-02-14 |
Family
ID=31001560
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11671285U Pending JPS6224535U (en) | 1985-07-30 | 1985-07-30 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6224535U (en) |
-
1985
- 1985-07-30 JP JP11671285U patent/JPS6224535U/ja active Pending