JPS60184327U - Device using interlocking variable capacitors - Google Patents
Device using interlocking variable capacitorsInfo
- Publication number
- JPS60184327U JPS60184327U JP7181684U JP7181684U JPS60184327U JP S60184327 U JPS60184327 U JP S60184327U JP 7181684 U JP7181684 U JP 7181684U JP 7181684 U JP7181684 U JP 7181684U JP S60184327 U JPS60184327 U JP S60184327U
- Authority
- JP
- Japan
- Prior art keywords
- variable capacitor
- capacitor
- variable
- circuit including
- resonant 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
Landscapes
- Superheterodyne Receivers (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図はこの考案の一実施例を示すラジオ受信機の要部
の回路図、第２図は他の実施例を示す回路図、第３図は
従来例を示す回路図、第４図は第３図に示す従来のもの
の動作を説明するための回路図である。
１．２：バリフン、３，４１リマ、６，７：コンデンサ
、１３：コイル、１４：スイッチ。なお図中同一符号は
同−又は相当部分を示すものとする。Fig. 1 is a circuit diagram of the main parts of a radio receiver showing one embodiment of this invention, Fig. 2 is a circuit diagram showing another embodiment, Fig. 3 is a circuit diagram showing a conventional example, and Fig. 4 is a circuit diagram showing the main part of a radio receiver. FIG. 4 is a circuit diagram for explaining the operation of the conventional device shown in FIG. 3; 1.2: Balifun, 3,41 Lima, 6,7: Capacitor, 13: Coil, 14: Switch. Note that the same reference numerals in the figures indicate the same or equivalent parts.
Claims (2)
変容量コンデンサを用い、該第１の可変容量コンデンサ
には切換スイッチにより容量の異なるコンデンサ等を接
続するようにした装置に−おいて、該第１の可変容量コ
ンデンサと上記の切換スイッチにより選択された上記コ
ンデンサ等とを含む共振回路には、上記第２の可変容量
コンデンサを含む共振回路の発振周波数帯域でのインピ
ーダンスが充分に大となるコイルを直列に挿入したこと
を特徴とする連動す不可変容量コンデンサを用いた装置
。(1) In a device that uses a first variable capacitor and a second variable capacitor that are linked together, and connects a capacitor with a different capacitance to the first variable capacitor using a changeover switch. , the resonant circuit including the first variable capacitor and the capacitor selected by the changeover switch has a sufficiently large impedance in the oscillation frequency band of the resonant circuit including the second variable capacitor. A device using interlocking non-variable capacitors characterized by inserting coils in series.
に第２の可変容量コンデンサを含む共振回路の発振周波
数帯域でのインピーダンスが充分に大となるコイルを直
列に挿入したことを特徴とする実用新案登録請求の範囲
第１項に記載の連動する可変容量コンデンサを用いた装
置。(2) A coil having a sufficiently large impedance in the oscillation frequency band of the resonant circuit including the second variable capacitor is inserted in series between the first variable capacitor and the changeover switch. A device using interlocking variable capacitance capacitors according to claim 1 of the utility model registration claim.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7181684U JPS60184327U (en) | 1984-05-18 | 1984-05-18 | Device using interlocking variable capacitors |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7181684U JPS60184327U (en) | 1984-05-18 | 1984-05-18 | Device using interlocking variable capacitors |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS60184327U true JPS60184327U (en) | 1985-12-06 |
Family
ID=30609644
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7181684U Pending JPS60184327U (en) | 1984-05-18 | 1984-05-18 | Device using interlocking variable capacitors |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60184327U (en) |
-
1984
- 1984-05-18 JP JP7181684U patent/JPS60184327U/en active Pending
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