JPS5948109U - voltage controlled oscillator - Google Patents
voltage controlled oscillatorInfo
- Publication number
- JPS5948109U JPS5948109U JP14239682U JP14239682U JPS5948109U JP S5948109 U JPS5948109 U JP S5948109U JP 14239682 U JP14239682 U JP 14239682U JP 14239682 U JP14239682 U JP 14239682U JP S5948109 U JPS5948109 U JP S5948109U
- Authority
- JP
- Japan
- Prior art keywords
- circuits
- controlled oscillator
- voltage controlled
- temperature compensation
- 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.)
- Granted
Links
Landscapes
- Oscillators With Electromechanical Resonators (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
第１図は従来の温度補償回路図、第２図は本考案による
温度補償回路付き電圧制御発振器の電気回路図、第３因
は水晶振動子単体の直列共振特性図、第４図はツェナー
ダイオードの特性図、第５図は温度補償後の特性図、第
６図は他の実施例を示す電気回路図である。
１１・・・水晶振動子、１２・・・可変容量ダイオード
、２５・・・電圧制御発振器、２８・・・電源供給端子
、３９・・・温度補償回路、４０．４４・・・抵抗、４
１゜４２．４３・・・ツェナーダイオード、４５・・・
切換スイッチ、４９・・・直流増幅器。Figure 1 is a conventional temperature compensation circuit diagram, Figure 2 is an electric circuit diagram of a voltage controlled oscillator with a temperature compensation circuit according to the present invention, the third factor is a series resonance characteristic diagram of a single crystal resonator, and Figure 4 is a Zener diode. FIG. 5 is a characteristic diagram after temperature compensation, and FIG. 6 is an electric circuit diagram showing another embodiment. DESCRIPTION OF SYMBOLS 11... Crystal resonator, 12... Variable capacitance diode, 25... Voltage controlled oscillator, 28... Power supply terminal, 39... Temperature compensation circuit, 40.44... Resistor, 4
1゜42.43... Zener diode, 45...
Changeover switch, 49...DC amplifier.
Claims (4)
変化を周波数変化に変換するために可変容量ダイオード
を用いた電圧制御発振器において、電源供給端子と前記
可変容量ダイオードとの間に、ツェナーダイオードを主
体とする温度補償回路を挿入してなることを特徴とする
電圧制御発振器。(1) In a voltage controlled oscillator that uses a crystal resonator as a fundamental wave oscillation oscillator and uses a variable capacitance diode to convert voltage changes into frequency changes, a Zener is connected between the power supply terminal and the variable capacitance diode. A voltage controlled oscillator characterized by inserting a temperature compensation circuit mainly composed of diodes.
度補償回路はツェナーダイオードと抵抗とを組合せ〃補
償特性の異なる複数の回路からなり、水晶振動子の温度
特性に対応して前記複数の回路を選択的に接続するよう
にした電圧制御発振器。(2) Utility Model Registration In Claim 2, the temperature compensation circuit is a combination of a Zener diode and a resistor, and is composed of a plurality of circuits with different compensation characteristics, and the temperature compensation circuit is composed of a plurality of circuits with different compensation characteristics, and the temperature compensation circuit is composed of a plurality of circuits with different compensation characteristics, and the temperature compensation circuit is a combination of a Zener diode and a resistor. A voltage controlled oscillator with selective connection of circuits.
度補償回路を構成する複数の回路は、電源供給端子と接
地間に、抵抗とツェナーダイオードの順に接続した直列
回路と、ツェナーダイオードと抵抗の順に接続した直列
回路とからなり、これらの直列回路を互いに並列に接続
し、これらの直列回路のそれぞれの中点と可変容量素子
との間に選択的に前記可変容量素子に接続する切換スイ
ッチを介在してなる電圧制御発振器。(3) Scope of Utility Model Registration Claims Paragraph 2 states that the plurality of circuits constituting the temperature compensation circuit include a series circuit in which a resistor and a Zener diode are connected in this order between a power supply terminal and the ground, and a series circuit in which a resistor and a Zener diode are connected in that order, and a Zener diode and a resistor. a changeover switch that connects these series circuits in parallel to each other and selectively connects the variable capacitance element between the midpoint of each of these series circuits and the variable capacitance element; voltage controlled oscillator.
において、切換スイッチと可変容量素子との間に直流増
幅器を介在してなる電圧制御発振器。(4) Utility Model Registration The voltage controlled oscillator according to claim 2 or 3, in which a DC amplifier is interposed between the changeover switch and the variable capacitance element.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14239682U JPS5948109U (en) | 1982-09-20 | 1982-09-20 | voltage controlled oscillator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14239682U JPS5948109U (en) | 1982-09-20 | 1982-09-20 | voltage controlled oscillator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5948109U true JPS5948109U (en) | 1984-03-30 |
| JPS6316167Y2 JPS6316167Y2 (en) | 1988-05-09 |
Family
ID=30318188
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14239682U Granted JPS5948109U (en) | 1982-09-20 | 1982-09-20 | voltage controlled oscillator |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5948109U (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS50155947U (en) * | 1974-06-07 | 1975-12-24 | ||
| JPS5595313U (en) * | 1979-12-28 | 1980-07-02 |
-
1982
- 1982-09-20 JP JP14239682U patent/JPS5948109U/en active Granted
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS50155947U (en) * | 1974-06-07 | 1975-12-24 | ||
| JPS5595313U (en) * | 1979-12-28 | 1980-07-02 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6316167Y2 (en) | 1988-05-09 |
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