JPH0321821U - - Google Patents
Info
- Publication number
- JPH0321821U JPH0321821U JP8340889U JP8340889U JPH0321821U JP H0321821 U JPH0321821 U JP H0321821U JP 8340889 U JP8340889 U JP 8340889U JP 8340889 U JP8340889 U JP 8340889U JP H0321821 U JPH0321821 U JP H0321821U
- Authority
- JP
- Japan
- Prior art keywords
- printed coil
- tuned
- frequency
- coil pattern
- diagram showing
- 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
- 238000010586 diagram Methods 0.000 description 4
Landscapes
- Coils Or Transformers For Communication (AREA)
Description
第１図ないし第３図は本考案の一実施例に係り
、第１図はプリントコイルを構成するコイルパタ
ーンの形状および浮遊容量を示す説明図、第２図
は第１図の二点鎖線ａで囲んだ要部を拡大して示
す説明図であり、第３図は第２図の二点鎖線ｂで
囲んだ要部をさらに拡大して示す説明図である。
また、第４図および第５図は従来例に係り、第４
図ａは増幅回路を示す回路図、同図ｂはプリント
コイルを構成するコイルパターンの形状および浮
遊容量を示す説明図であり、第５図ａ，ｂのそれ
ぞれはゲイン特性図である。
図における符号、４……プリントコイル、５…
…コイルパターン、６……切り込み部である。
1 to 3 relate to one embodiment of the present invention, FIG. 1 is an explanatory diagram showing the shape and stray capacitance of the coil pattern constituting the printed coil, and FIG. FIG. 3 is an explanatory diagram showing a further enlarged view of the main part surrounded by a dashed double-dashed line b in FIG. 2; FIG.
Moreover, FIGS. 4 and 5 relate to the conventional example, and FIG.
FIG. 5a is a circuit diagram showing an amplifier circuit, FIG. 5b is an explanatory diagram showing the shape and stray capacitance of a coil pattern constituting a printed coil, and FIGS. Symbols in the figure: 4...printed coil, 5...
. . . Coil pattern, 6 . . . Notch portion.
Claims (1)
ように印刷形成されたコイルパターンの中途部に
、その同調周波数を低減する切り込み部を形成し
たことを特徴とする同調回路用プリントコイル。 1. A printed coil for a tuned circuit, characterized in that a cut portion for reducing the tuned frequency is formed in the middle of a printed coil pattern so that the tuned frequency is higher than a desired specific frequency.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8340889U JPH0321821U (en) | 1989-07-14 | 1989-07-14 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8340889U JPH0321821U (en) | 1989-07-14 | 1989-07-14 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0321821U true JPH0321821U (en) | 1991-03-05 |
Family
ID=31631054
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8340889U Pending JPH0321821U (en) | 1989-07-14 | 1989-07-14 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0321821U (en) |
-
1989
- 1989-07-14 JP JP8340889U patent/JPH0321821U/ja active Pending