JPS6121127U - Narrowband LC filter - Google Patents
Narrowband LC filterInfo
- Publication number
- JPS6121127U JPS6121127U JP8420085U JP8420085U JPS6121127U JP S6121127 U JPS6121127 U JP S6121127U JP 8420085 U JP8420085 U JP 8420085U JP 8420085 U JP8420085 U JP 8420085U JP S6121127 U JPS6121127 U JP S6121127U
- Authority
- JP
- Japan
- Prior art keywords
- filter
- narrow band
- narrowband
- shows
- gyrator 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
- 238000006243 chemical reaction Methods 0.000 claims description 7
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Filters And Equalizers (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) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は高周波フィルタの特性例、第２図は従来の設計
手段により得られる数値例、第３図は周知の並列回路の
変換公式、第４図は対称変換した結果であり、第５図は
第２図ｉに第４図ｂを結合させたものである。
第６図は周知の直列回路の変換公式、第７図は変換結果
である。
第８図は虚ジャイレータ回路、第９図はその具体的構成
例、２第１０図は第２図ａの回路を等価変換し虚ジャイ
レータ回路を付加したものであり、第１１図は総合構成
図である。Fig. 1 shows an example of the characteristics of a high frequency filter, Fig. 2 shows an example of numerical values obtained by conventional design means, Fig. 3 shows a well-known conversion formula for a parallel circuit, Fig. 4 shows the result of symmetrical conversion, and Fig. 5 shows an example of the characteristics of a high-frequency filter. is a combination of FIG. 2i and FIG. 4b. FIG. 6 shows a well-known conversion formula for a series circuit, and FIG. 7 shows a conversion result. Fig. 8 shows an imaginary gyrator circuit, Fig. 9 shows its specific configuration example, 2 Fig. 10 shows an equivalent conversion of the circuit in Fig. 2a to which an imaginary gyrator circuit has been added, and Fig. 11 shows a general configuration diagram. It is.
Claims (1)
にインピーダンス変換比が大略１の虚ジャイレータ回路
を設けることにより、該ジャイレータ回路を構成する正
キャパシタンスにより、前記狭帯域ＬＣフィルタが特性
に影響を与えることなく等価変換において導出される負
性キャパシタンスを相殺するようにしたことを特徴とす
る狭帯域比フィルタ。In the narrow band crucible C filter, by providing an imaginary gyrator circuit with an impedance conversion ratio of approximately 1 at the input and output ends of the filter, the characteristics of the narrow band LC filter are affected by the positive capacitance that constitutes the gyrator circuit. 1. A narrow band ratio filter, characterized in that the negative capacitance derived in equivalent conversion is canceled out without giving any.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8420085U JPS6121127U (en) | 1985-06-04 | 1985-06-04 | Narrowband LC filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8420085U JPS6121127U (en) | 1985-06-04 | 1985-06-04 | Narrowband LC filter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6121127U true JPS6121127U (en) | 1986-02-07 |
| JPS6325776Y2 JPS6325776Y2 (en) | 1988-07-13 |
Family
ID=30633501
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8420085U Granted JPS6121127U (en) | 1985-06-04 | 1985-06-04 | Narrowband LC filter |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6121127U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009201034A (en) * | 2008-02-25 | 2009-09-03 | Mitsubishi Electric Corp | Filter circuit |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5016839U (en) * | 1973-06-13 | 1975-02-22 |
-
1985
- 1985-06-04 JP JP8420085U patent/JPS6121127U/en active Granted
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5016839U (en) * | 1973-06-13 | 1975-02-22 |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009201034A (en) * | 2008-02-25 | 2009-09-03 | Mitsubishi Electric Corp | Filter circuit |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6325776Y2 (en) | 1988-07-13 |
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