JPH01126641U - - Google Patents
Info
- Publication number
- JPH01126641U JPH01126641U JP1620388U JP1620388U JPH01126641U JP H01126641 U JPH01126641 U JP H01126641U JP 1620388 U JP1620388 U JP 1620388U JP 1620388 U JP1620388 U JP 1620388U JP H01126641 U JPH01126641 U JP H01126641U
- Authority
- JP
- Japan
- Prior art keywords
- band
- inductance
- low
- cut filter
- 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
- 238000010586 diagram Methods 0.000 description 3
- 238000001228 spectrum Methods 0.000 description 1
Landscapes
- Control Of Amplification And Gain Control (AREA)
- Noise Elimination (AREA)
- Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
Description
第１図は本考案にかかる高周波回路、第２図は
本考案の高周波回路における周波数スペクトラム
図、第３図は従来の高周波回路図、第４図は共振
特性図である。 １２……ローカツトフイルタ、１３……広帯域
増幅器、１３ａ……ＦＥＴ素子、Ｌ１……インダ
クタンス、ＣＬ……負帰還用のコイル。
本考案の高周波回路における周波数スペクトラム
図、第３図は従来の高周波回路図、第４図は共振
特性図である。 １２……ローカツトフイルタ、１３……広帯域
増幅器、１３ａ……ＦＥＴ素子、Ｌ１……インダ
クタンス、ＣＬ……負帰還用のコイル。
Claims (1)
- インダクタンスを有するローカツトフイルタの
後段にＡＭ帯用の高帯域増幅器を設け、前記ロー
カツトフイルタのインダクタンスに電圧負帰還す
るコイルを広帯域回路の増幅素子に直列に接続し
て成ることを特徴とする広帯域回路。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1620388U JPH01126641U (ja) | 1988-02-09 | 1988-02-09 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1620388U JPH01126641U (ja) | 1988-02-09 | 1988-02-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01126641U true JPH01126641U (ja) | 1989-08-30 |
Family
ID=31228925
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1620388U Pending JPH01126641U (ja) | 1988-02-09 | 1988-02-09 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01126641U (ja) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1998032234A1 (fr) * | 1997-01-20 | 1998-07-23 | Yokowo Co., Ltd. | Circuit d'antenne |
-
1988
- 1988-02-09 JP JP1620388U patent/JPH01126641U/ja active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1998032234A1 (fr) * | 1997-01-20 | 1998-07-23 | Yokowo Co., Ltd. | Circuit d'antenne |
| EP1545014A1 (en) * | 1997-01-20 | 2005-06-22 | Yokowo Co., Ltd. | Antenna circuit |