JPS6140020U - Voltage controlled oscillator circuit - Google Patents
Voltage controlled oscillator circuitInfo
- Publication number
- JPS6140020U JPS6140020U JP12449084U JP12449084U JPS6140020U JP S6140020 U JPS6140020 U JP S6140020U JP 12449084 U JP12449084 U JP 12449084U JP 12449084 U JP12449084 U JP 12449084U JP S6140020 U JPS6140020 U JP S6140020U
- Authority
- JP
- Japan
- Prior art keywords
- controlled oscillator
- capacitor
- voltage controlled
- oscillator circuit
- inductor
- 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
Landscapes
- Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
- Inductance-Capacitance Distribution Constants And Capacitance-Resistance Oscillators (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
【図面の簡単な説明】
第1図は本考案の構成説明図、第2図は本考案の実施例
の電気回路図、第3図はワンVCOタイプPLL方式の
無線機の構成図、第4図及び第5図は従来のVCOの構
成説明図、第6図は制御電圧対発振周波数特性図である
。
50は能動素子、51は第1のコンデンサ、52はイン
ダクタ、53は制御電圧が加わる端子、54は第2のコ
ンデンサ、55はスイッチング素子、・ラ6は可変容量
ダイオードである。[Brief Description of the Drawings] Fig. 1 is an explanatory diagram of the configuration of the present invention, Fig. 2 is an electric circuit diagram of an embodiment of the invention, Fig. 3 is a configuration diagram of a one-VCO type PLL type radio, and Fig. 4 is a diagram illustrating the configuration of the present invention. 5 and 5 are explanatory diagrams of the configuration of a conventional VCO, and FIG. 6 is a control voltage versus oscillation frequency characteristic diagram. 50 is an active element, 51 is a first capacitor, 52 is an inductor, 53 is a terminal to which a control voltage is applied, 54 is a second capacitor, 55 is a switching element, and 6 is a variable capacitance diode.
Claims (1)
と入力電極間に第1のコンデンサとインダクタと可変容
量ダイオードとの直列回路を接続し、前記可変容量ダ,
イオードと前記インダクタとの接続点を制御電圧入力端
子に接続し、前記第1のコンデンサと並列に第2のコン
デンサと送信、受信切換信号でオン、′オフされるスイ
ッチング素子との直列回路を接続して成や電圧制御形発
振回路らA series circuit of a first capacitor, an inductor, and a variable capacitance diode is connected between the control electrode and the input electrode of the active element from which the oscillation output is taken out from the output terminal, and the variable capacitance diode is
The connection point between the diode and the inductor is connected to the control voltage input terminal, and a series circuit is connected in parallel to the first capacitor with a second capacitor and a switching element that is turned on and off by the transmission and reception switching signals. Voltage controlled oscillator circuits etc.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1984124490U JPH0623056Y2 (en) | 1984-08-15 | 1984-08-15 | Voltage controlled oscillator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1984124490U JPH0623056Y2 (en) | 1984-08-15 | 1984-08-15 | Voltage controlled oscillator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6140020U true JPS6140020U (en) | 1986-03-13 |
| JPH0623056Y2 JPH0623056Y2 (en) | 1994-06-15 |
Family
ID=30683216
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1984124490U Expired - Lifetime JPH0623056Y2 (en) | 1984-08-15 | 1984-08-15 | Voltage controlled oscillator |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0623056Y2 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6473903A (en) * | 1987-09-16 | 1989-03-20 | Hitachi Ltd | Oscillation circuit |
| JPH01173908A (en) * | 1987-12-28 | 1989-07-10 | Hitachi Ltd | oscillation device |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5068453A (en) * | 1973-10-18 | 1975-06-07 | ||
| JPS6037804A (en) * | 1983-08-10 | 1985-02-27 | Matsushita Electric Ind Co Ltd | local oscillation circuit |
-
1984
- 1984-08-15 JP JP1984124490U patent/JPH0623056Y2/en not_active Expired - Lifetime
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5068453A (en) * | 1973-10-18 | 1975-06-07 | ||
| JPS6037804A (en) * | 1983-08-10 | 1985-02-27 | Matsushita Electric Ind Co Ltd | local oscillation circuit |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6473903A (en) * | 1987-09-16 | 1989-03-20 | Hitachi Ltd | Oscillation circuit |
| JPH01173908A (en) * | 1987-12-28 | 1989-07-10 | Hitachi Ltd | oscillation device |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0623056Y2 (en) | 1994-06-15 |
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