JPH033845U - - Google Patents
Info
- Publication number
- JPH033845U JPH033845U JP6430389U JP6430389U JPH033845U JP H033845 U JPH033845 U JP H033845U JP 6430389 U JP6430389 U JP 6430389U JP 6430389 U JP6430389 U JP 6430389U JP H033845 U JPH033845 U JP H033845U
- Authority
- JP
- Japan
- Prior art keywords
- coupling coil
- coil
- coupling
- inductively coupled
- tuning
- 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
- 230000008878 coupling Effects 0.000 claims description 12
- 238000010168 coupling process Methods 0.000 claims description 12
- 238000005859 coupling reaction Methods 0.000 claims description 12
- 238000010586 diagram Methods 0.000 description 2
Description
第１図は、この考案の一実施例の構成を示す回
路図、第２図および第３図は従来の中間周波同調
回路の構成を示す回路図である。
Ｌｉ１，Ｌｉ２……コイル、Ｌｍ２，Ｌｍ３，
Ｌｍ４……結合コイル。
FIG. 1 is a circuit diagram showing the structure of an embodiment of this invention, and FIGS. 2 and 3 are circuit diagrams showing the structure of a conventional intermediate frequency tuning circuit. Li1, Li2...Coil, Lm2, Lm3,
Lm4...Coupling coil.
Claims (1)
イルと、２次側同調コイルと誘導結合する第２の
結合コイルと、前記第１の結合コイルと前記第２
の結合コイルとを誘導結合する第３の結合コイル
とを具備するとともに、前記第３の結合コイルの
インダクタンスを変化させることによつて前記第
１の結合コイルと第２の結合コイルとの結合度を
調整することを特徴とする中間周波同調回路。 a first coupling coil that is inductively coupled to the primary tuning coil; a second coupling coil that is inductively coupled to the secondary tuning coil; and the first coupling coil and the second coupling coil.
and a third coupling coil that inductively couples the first coupling coil to the second coupling coil, and the degree of coupling between the first coupling coil and the second coupling coil is changed by changing the inductance of the third coupling coil. An intermediate frequency tuning circuit characterized by adjusting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6430389U JPH033845U (en) | 1989-06-01 | 1989-06-01 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6430389U JPH033845U (en) | 1989-06-01 | 1989-06-01 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH033845U true JPH033845U (en) | 1991-01-16 |
Family
ID=31595125
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6430389U Pending JPH033845U (en) | 1989-06-01 | 1989-06-01 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH033845U (en) |
-
1989
- 1989-06-01 JP JP6430389U patent/JPH033845U/ja active Pending