JPS5963534U - tuned circuit - Google Patents
tuned circuitInfo
- Publication number
- JPS5963534U JPS5963534U JP15822682U JP15822682U JPS5963534U JP S5963534 U JPS5963534 U JP S5963534U JP 15822682 U JP15822682 U JP 15822682U JP 15822682 U JP15822682 U JP 15822682U JP S5963534 U JPS5963534 U JP S5963534U
- Authority
- JP
- Japan
- Prior art keywords
- variable capacitance
- capacitance diode
- tuned circuit
- fixed capacitor
- circuit
- 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
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図及び第２図は従来回路例を示す回路図、第３図は
従来の問題点を説明するためのグラフ、第４図及び第５
図は本考案の実施例をそれぞれ示す回路図である。
Ｄｃ、 Ｄｃ４． Ｄ、０−２・・・可変容量ダイオー
ド、ｃＰ’ ＩＣ３１′ＣＰ２′・・・固定コンデンサ
、Ｌｏ・・・インダクタンス。Figures 1 and 2 are circuit diagrams showing examples of conventional circuits, Figure 3 is a graph for explaining the problems of the conventional circuit, and Figures 4 and 5 are
The figures are circuit diagrams showing embodiments of the present invention. Dc, Dc4. D, 0-2...Variable capacitance diode, cP'IC31'CP2'...Fixed capacitor, Lo...Inductance.
Claims (1)
列にインダクタンスを接続し、前記可変容量タイオード
のカソード及びアノード間に直流電圧を印加して所望の
周波数に共振するようにした同調回路において、前記固
定コンデンサの容量を前記可変容量ダイオードの使用電
圧範囲における容量変化値と略同容量又はそれ以下にし
たことを特徴とする同調回路。In a tuned circuit in which an inductance is connected in parallel with a series circuit of a variable capacitance diode and a fixed capacitor, and a DC voltage is applied between the cathode and anode of the variable capacitance diode to resonate at a desired frequency, the fixed capacitor A tuning circuit characterized in that the capacitance of the variable capacitance diode is approximately the same as or less than the capacitance change value in the working voltage range of the variable capacitance diode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15822682U JPS5963534U (en) | 1982-10-21 | 1982-10-21 | tuned circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15822682U JPS5963534U (en) | 1982-10-21 | 1982-10-21 | tuned circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5963534U true JPS5963534U (en) | 1984-04-26 |
Family
ID=30348624
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15822682U Pending JPS5963534U (en) | 1982-10-21 | 1982-10-21 | tuned circuit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5963534U (en) |
-
1982
- 1982-10-21 JP JP15822682U patent/JPS5963534U/en active Pending
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