JPH0174614U - - Google Patents
Info
- Publication number
- JPH0174614U JPH0174614U JP1987169584U JP16958487U JPH0174614U JP H0174614 U JPH0174614 U JP H0174614U JP 1987169584 U JP1987169584 U JP 1987169584U JP 16958487 U JP16958487 U JP 16958487U JP H0174614 U JPH0174614 U JP H0174614U
- Authority
- JP
- Japan
- Prior art keywords
- control voltage
- controlled oscillator
- voltage terminal
- varactor diode
- control
- 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.)
- Granted
Links
- 230000010355 oscillation Effects 0.000 claims description 4
- 238000010586 diagram Methods 0.000 description 7
- 230000035945 sensitivity Effects 0.000 description 3
Landscapes
- Inductance-Capacitance Distribution Constants And Capacitance-Resistance Oscillators (AREA)
Description
第１図は本考案の一実施例に係る電圧制御型発
振器の回路図、第２図は第１図の電圧制御型発振
器による変調入力感度偏差特性図、第３図は第１
図の電圧制御型発振器における直列回路内の抵抗
の抵抗値の選定による変調入力感度偏差特性を示
す図である。第４図は従来例の電圧制御型発振器
の回路図、第５図は第４図の電圧制御型発振器に
よる変調入力感度偏差特性図、第６図は他の従来
例の電圧制御型発振器の回路図である。
１……発振回路、２……共振器、３……発振ト
ランジスタ、４……バラクタダイオード、５……
コイル、６……抵抗、７……変調信号入力端子、
８……制御電圧端子、９……変調信号出力端子。
FIG. 1 is a circuit diagram of a voltage controlled oscillator according to an embodiment of the present invention, FIG. 2 is a modulation input sensitivity deviation characteristic diagram of the voltage controlled oscillator of FIG. 1, and FIG.
FIG. 3 is a diagram showing modulation input sensitivity deviation characteristics depending on selection of resistance values of resistors in the series circuit in the voltage-controlled oscillator shown in the figure. Fig. 4 is a circuit diagram of a conventional voltage controlled oscillator, Fig. 5 is a modulation input sensitivity deviation characteristic diagram of the voltage controlled oscillator of Fig. 4, and Fig. 6 is a circuit diagram of another conventional voltage controlled oscillator. It is a diagram. 1...Oscillation circuit, 2...Resonator, 3...Oscillation transistor, 4...Varactor diode, 5...
Coil, 6...Resistor, 7...Modulation signal input terminal,
8...Control voltage terminal, 9...Modulation signal output terminal.
Claims (1)
御電圧端子を接続し、その制御電圧端子への制御
電圧を変化させて発振周波数を可変できるように
構成された電圧制御型発振器において、 前記バラクタダイオードと前記制御電圧端子と
の間に高周波遮断用コイルと抵抗との直列回路を
接続したことを特徴とする電圧制御型発振器。[Claims for Utility Model Registration] Voltage control type configured to connect a control voltage terminal to the connection point between the oscillation circuit and the varactor diode, and change the control voltage to the control voltage terminal to vary the oscillation frequency. A voltage-controlled oscillator, characterized in that a series circuit of a high-frequency cutoff coil and a resistor is connected between the varactor diode and the control voltage terminal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987169584U JPH0614494Y2 (en) | 1987-11-05 | 1987-11-05 | Voltage controlled oscillator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987169584U JPH0614494Y2 (en) | 1987-11-05 | 1987-11-05 | Voltage controlled oscillator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0174614U true JPH0174614U (en) | 1989-05-19 |
| JPH0614494Y2 JPH0614494Y2 (en) | 1994-04-13 |
Family
ID=31459778
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987169584U Expired - Lifetime JPH0614494Y2 (en) | 1987-11-05 | 1987-11-05 | Voltage controlled oscillator |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0614494Y2 (en) |
-
1987
- 1987-11-05 JP JP1987169584U patent/JPH0614494Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0614494Y2 (en) | 1994-04-13 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPS61154015U (en) | ||
| JPH0174614U (en) | ||
| JPS62181017U (en) | ||
| JPS62181016U (en) | ||
| JPS62161412U (en) | ||
| JPS647412U (en) | ||
| JPH0412708U (en) | ||
| JPS63149620U (en) | ||
| JPH0390114U (en) | ||
| JPS648824U (en) | ||
| JPH01162919U (en) | ||
| JPH0361711U (en) | ||
| JPS63117109U (en) | ||
| JPS6251811U (en) | ||
| JPS6140020U (en) | Voltage controlled oscillator circuit | |
| JPS6310616U (en) | ||
| JPS6168515U (en) | ||
| JPS6157705U (en) | ||
| JPS6455721U (en) | ||
| JPS6160524U (en) | ||
| JPS6423111U (en) | ||
| JPS6040725B2 (en) | oscillation device | |
| JPH01115352U (en) | ||
| JPH02133012U (en) | ||
| JPS63196109U (en) |