JPH0459633U - - Google Patents
Info
- Publication number
- JPH0459633U JPH0459633U JP10169190U JP10169190U JPH0459633U JP H0459633 U JPH0459633 U JP H0459633U JP 10169190 U JP10169190 U JP 10169190U JP 10169190 U JP10169190 U JP 10169190U JP H0459633 U JPH0459633 U JP H0459633U
- Authority
- JP
- Japan
- Prior art keywords
- variable capacitor
- capacitor
- tuned circuit
- coil
- 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.)
- Granted
Links
- 239000003990 capacitor Substances 0.000 claims description 10
- 230000008878 coupling Effects 0.000 claims description 5
- 238000010168 coupling process Methods 0.000 claims description 5
- 238000005859 coupling reaction Methods 0.000 claims description 5
- 238000010586 diagram Methods 0.000 description 5
Landscapes
- Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
Description
第１図は本考案による多段同調回路を示す回路
図、第２図はその結合度の特性を示す線図、第３
図と第５図はそれぞれ従来の多段同調回路を示す
回路図、第４図と第６図はそれぞれの多段同調回
路における結合特性を示す線図である。
……一時側同調回路、……二次側同調回路
、１，４……同調コイル、３，６……可変容量コ
ンデンサ、８……固定容量のコンデンサ、１１…
…結合コンデンサ。
Fig. 1 is a circuit diagram showing a multi-stage tuned circuit according to the present invention, Fig. 2 is a diagram showing its coupling degree characteristics, and Fig. 3 is a diagram showing the characteristics of the degree of coupling.
5 and 5 are circuit diagrams showing conventional multi-stage tuning circuits, respectively, and FIG. 4 and FIG. 6 are diagrams showing coupling characteristics in the respective multi-stage tuning circuits. ...Temporary side tuning circuit, ...Secondary side tuning circuit, 1, 4...Tuning coil, 3, 6...Variable capacitor, 8...Fixed capacitor, 11...
...coupling capacitor.
Claims (1)
れた一次側同調回路と、同じくコイルと可変容量
コンデンサとが並列に接続された二次側同調回路
とを有し、一次側同調回路と二次側同調回路のそ
れぞれの可変容量コンデンサのアノード側が結合
コンデンサを介して接続されているとともに、各
可変容量コンデンサのカソード側がコンデンサを
介してグランド接続されており、且つ各可変容量
コンデンサのカソード側に同調電圧が印加されて
いることを特徴とする多段同調回路。 It has a primary side tuned circuit in which a coil and a variable capacitor are connected in parallel, and a secondary side tuned circuit in which a coil and a variable capacitor are connected in parallel. The anode side of each variable capacitor in the circuit is connected via a coupling capacitor, the cathode side of each variable capacitor is connected to ground via the capacitor, and a tuning voltage is applied to the cathode side of each variable capacitor. A multi-stage tuned circuit characterized in that a voltage is applied.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990101691U JP2517492Y2 (en) | 1990-09-28 | 1990-09-28 | Multistage tuning circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990101691U JP2517492Y2 (en) | 1990-09-28 | 1990-09-28 | Multistage tuning circuit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0459633U true JPH0459633U (en) | 1992-05-21 |
| JP2517492Y2 JP2517492Y2 (en) | 1996-11-20 |
Family
ID=31845375
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1990101691U Expired - Lifetime JP2517492Y2 (en) | 1990-09-28 | 1990-09-28 | Multistage tuning circuit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2517492Y2 (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61103308A (en) * | 1984-10-26 | 1986-05-21 | Victor Co Of Japan Ltd | Dual tuning circuit |
| JPS6285459A (en) * | 1985-10-09 | 1987-04-18 | Fujitsu Ltd | Semiconductor device |
| JPS6322689A (en) * | 1986-04-15 | 1988-01-30 | 福井 清章 | Magnet indicator |
| JPH0454014A (en) * | 1990-06-22 | 1992-02-21 | Pioneer Electron Corp | Double tuning circuit |
-
1990
- 1990-09-28 JP JP1990101691U patent/JP2517492Y2/en not_active Expired - Lifetime
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61103308A (en) * | 1984-10-26 | 1986-05-21 | Victor Co Of Japan Ltd | Dual tuning circuit |
| JPS6285459A (en) * | 1985-10-09 | 1987-04-18 | Fujitsu Ltd | Semiconductor device |
| JPS6322689A (en) * | 1986-04-15 | 1988-01-30 | 福井 清章 | Magnet indicator |
| JPH0454014A (en) * | 1990-06-22 | 1992-02-21 | Pioneer Electron Corp | Double tuning circuit |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2517492Y2 (en) | 1996-11-20 |