JPH0159330U - - Google Patents
Info
- Publication number
- JPH0159330U JPH0159330U JP15579687U JP15579687U JPH0159330U JP H0159330 U JPH0159330 U JP H0159330U JP 15579687 U JP15579687 U JP 15579687U JP 15579687 U JP15579687 U JP 15579687U JP H0159330 U JPH0159330 U JP H0159330U
- Authority
- JP
- Japan
- Prior art keywords
- controlled oscillator
- capacitance
- voltage controlled
- voltage
- external voltage
- 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 3
- 238000007599 discharging Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Inductance-Capacitance Distribution Constants And Capacitance-Resistance Oscillators (AREA)
Description
第１図は本考案の構成を示す回路図、第２図は
従来回路の構成を示す回路図である。
主要部分の符号の説明、Ｑ１，Ｑ２……トラン
ジスタ、ＣＥ……充放電コンデンサ、ＤＣ……可
変容量ダイオード、Ｅ……逆バイアス電源、Ｖ０
１，Ｖ０２，Ｖ０３……制御電圧源。
FIG. 1 is a circuit diagram showing the configuration of the present invention, and FIG. 2 is a circuit diagram showing the configuration of a conventional circuit. Explanation of symbols of main parts, Q 1 , Q 2 ... Transistor, CE ... Charge/discharge capacitor, DC ... Variable capacitance diode, E ... Reverse bias power supply, V 0
1 , V 02 , V 03 ... Control voltage source.
Claims (1)
続された一対のトランジスタからなる非安定マル
チバイブレータと、外部電圧に応じて前記トラン
ジスタ各々のオンオフ周期を制御する周波数制御
手段とを含む電圧制御発振器であつて、前記外部
電圧に応じて前記充放電コンデンサの容量を変化
せしめる容量変化手段を備えたことを特徴とする
電圧制御発振器。 A voltage controlled oscillator comprising an unstable multivibrator consisting of a pair of transistors whose emitters are connected via a charge/discharge capacitor, and frequency control means for controlling the on/off period of each of the transistors according to an external voltage. . A voltage controlled oscillator comprising a capacitance changing means for changing the capacitance of the charging/discharging capacitor according to the external voltage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15579687U JPH0159330U (en) | 1987-10-12 | 1987-10-12 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15579687U JPH0159330U (en) | 1987-10-12 | 1987-10-12 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0159330U true JPH0159330U (en) | 1989-04-13 |
Family
ID=31433741
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15579687U Pending JPH0159330U (en) | 1987-10-12 | 1987-10-12 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0159330U (en) |
-
1987
- 1987-10-12 JP JP15579687U patent/JPH0159330U/ja active Pending