JPS58123612U - Voltage controlled oscillator for PLL modulator - Google Patents
Voltage controlled oscillator for PLL modulatorInfo
- Publication number
- JPS58123612U JPS58123612U JP1853682U JP1853682U JPS58123612U JP S58123612 U JPS58123612 U JP S58123612U JP 1853682 U JP1853682 U JP 1853682U JP 1853682 U JP1853682 U JP 1853682U JP S58123612 U JPS58123612 U JP S58123612U
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- controlled oscillator
- voltage controlled
- modulator
- variable capacitance
- 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 4
- 230000010355 oscillation Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
Landscapes
- 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
第１図は従来のＶＣＯの構成側図、第２図は本考案を実
施したＶＣＯの回路構成図、第３図は第２図の説明図で
ある。
１・・・・・・位相同期入力、２・・・・・・変調入力
、３・・・・・・変調感度用コンデンサＣ３，４・・・
・・・変換利得用コンデンサＣ２，５・・・・・・イン
ダクタ、Ｄｉ、 Ｄ２． （ΔＣ）・・・・・・可変
容量ダイオ・−ド、Ｃ６・・・・・・本考案による付加
コンデンサ。FIG. 1 is a side view of the configuration of a conventional VCO, FIG. 2 is a circuit diagram of a VCO embodying the present invention, and FIG. 3 is an explanatory diagram of FIG. 1... Phase synchronization input, 2... Modulation input, 3... Modulation sensitivity capacitor C3, 4...
...Conversion gain capacitor C2,5...Inductor, Di, D2. (ΔC)...Variable capacitance diode, C6...Additional capacitor according to the present invention.
Claims (1)
ンデンサと接地側可変容量ダイオードの直列回路よりな
る位相同期用回路と変調用回路を有する変調器において
、変調信号印加用可変容量ダイオードと並列にこの可変
容量ダイオードの容量の１０倍以下の容量を接続したこ
とを特徴とするＰＬＬ変調器用電圧制御発振器。In a modulator having a phase synchronization circuit and a modulation circuit each consisting of a series circuit of a capacitor and a ground side variable capacitance diode connected in parallel with the oscillation frequency determining single circuit, this circuit is connected in parallel with the variable capacitance diode for applying the modulation signal. A voltage controlled oscillator for a PLL modulator, characterized in that a capacitance that is 10 times or less the capacitance of a variable capacitance diode is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1853682U JPS58123612U (en) | 1982-02-15 | 1982-02-15 | Voltage controlled oscillator for PLL modulator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1853682U JPS58123612U (en) | 1982-02-15 | 1982-02-15 | Voltage controlled oscillator for PLL modulator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS58123612U true JPS58123612U (en) | 1983-08-23 |
Family
ID=30030787
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1853682U Pending JPS58123612U (en) | 1982-02-15 | 1982-02-15 | Voltage controlled oscillator for PLL modulator |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58123612U (en) |
-
1982
- 1982-02-15 JP JP1853682U patent/JPS58123612U/en active Pending
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