JPS6261524U - - Google Patents
Info
- Publication number
- JPS6261524U JPS6261524U JP15002185U JP15002185U JPS6261524U JP S6261524 U JPS6261524 U JP S6261524U JP 15002185 U JP15002185 U JP 15002185U JP 15002185 U JP15002185 U JP 15002185U JP S6261524 U JPS6261524 U JP S6261524U
- Authority
- JP
- Japan
- Prior art keywords
- variable capacitance
- capacitance element
- voltage
- circuit
- modulation
- 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
- 238000006243 chemical reaction Methods 0.000 claims description 2
- 230000010355 oscillation Effects 0.000 claims description 2
- 230000000903 blocking effect Effects 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
Description
第２図は従来の電圧制御発振器の構成図、第１
図は本考案の電圧制御発振器の一実施例の構成図
、第３図は直流電圧変換回路の特性図、第４図は
可変容量ダイオードの特性図、第５図は発振周波
数対変調度の実験値である。
１：負性抵抗発生回路、２：共振回路、３：変
調回路、４：ＦＥＴ、５，８，２６，２７，２９
，３１：抵抗、６，７，９，１１，１４，１６，
１８，２０，２３，２４：コンデンサ、１０，１
２，１９，２５：端子、１３：同調用コイル、１
７，２２：高周波阻止用コイル、１５，２１…可
変容量ダイオード、３０：トランジスタ。
Figure 2 is a configuration diagram of a conventional voltage controlled oscillator.
The figure shows the configuration of one embodiment of the voltage controlled oscillator of the present invention, Figure 3 shows the characteristics of the DC voltage conversion circuit, Figure 4 shows the characteristics of the variable capacitance diode, and Figure 5 shows the experiment of oscillation frequency versus modulation degree. It is a value. 1: Negative resistance generation circuit, 2: Resonant circuit, 3: Modulation circuit, 4: FET, 5, 8, 26, 27, 29
, 31: Resistance, 6, 7, 9, 11, 14, 16,
18, 20, 23, 24: Capacitor, 10, 1
2, 19, 25: terminal, 13: tuning coil, 1
7, 22: High frequency blocking coil, 15, 21... variable capacitance diode, 30: transistor.
Claims (1)
を含んだ共振周波数を決定する共振回路が縦続接
続され、前記可変容量素子に供給される直流制御
電圧で発振周波数を制御し、前記共振回路中に変
調用の第２の可変容量素子を具備した電圧制御発
振器において、前記直流制御電圧を直流電圧変換
回路を通して前記第２の変調可変容量素子の直流
バイアス電圧とすることを特徴とする電圧制御発
振器。 A negative resistance generating circuit and a resonant circuit that determines the resonant frequency including the capacitance of the first variable capacitance element are connected in cascade, and the oscillation frequency is controlled by the DC control voltage supplied to the variable capacitance element, and the resonant circuit A voltage controlled oscillator including a second variable capacitance element for modulation therein, wherein the DC control voltage is passed through a DC voltage conversion circuit to become a DC bias voltage of the second modulation variable capacitance element. oscillator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15002185U JPS6261524U (en) | 1985-10-02 | 1985-10-02 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15002185U JPS6261524U (en) | 1985-10-02 | 1985-10-02 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6261524U true JPS6261524U (en) | 1987-04-16 |
Family
ID=31065771
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15002185U Pending JPS6261524U (en) | 1985-10-02 | 1985-10-02 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6261524U (en) |
-
1985
- 1985-10-02 JP JP15002185U patent/JPS6261524U/ja active Pending