JPS5816927U - Intermediate frequency filter circuit for television receivers - Google Patents
Intermediate frequency filter circuit for television receiversInfo
- Publication number
- JPS5816927U JPS5816927U JP10859181U JP10859181U JPS5816927U JP S5816927 U JPS5816927 U JP S5816927U JP 10859181 U JP10859181 U JP 10859181U JP 10859181 U JP10859181 U JP 10859181U JP S5816927 U JPS5816927 U JP S5816927U
- Authority
- JP
- Japan
- Prior art keywords
- intermediate frequency
- acoustic wave
- surface acoustic
- filter circuit
- frequency filter
- 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
Landscapes
- Surface Acoustic Wave Elements And Circuit Networks Thereof (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) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図はテレビジョン受信機用中間周波フィルタの代表
的周波数特性図、第２図は本考案の一実施例における要
部図、第３図は第１及び第２の弾性表面波フィルタの特
性図、第４図は本考案を説明する特性図である。Fig. 1 is a typical frequency characteristic diagram of an intermediate frequency filter for television receivers, Fig. 2 is a diagram of a main part of an embodiment of the present invention, and Fig. 3 is a characteristic diagram of the first and second surface acoustic wave filters. 4 are characteristic diagrams for explaining the present invention.
Claims (1)
成分を取り出す第１の弾性表面波フィルタと、映像信号
成分を取り出す第２の弾性表面波フィルタとを具備し、
′第１と第２の弾性表面波フィルタを並列接続してなる
テレビジョン受信機用中間周波フィルタ回路において、
前記第１または第２の弾性表面波フィルタの少なくとも
一方の入力電極または出力電極に特性調整抵抗を接続し
、第１と第２の弾性表面波フィルタの通過レベル比を調
整したことを特徴とするテレビジョン受信機用中間周波
フィルタ回路。A first surface acoustic wave filter that extracts an audio signal component from a television signal converted to an intermediate frequency, and a second surface acoustic wave filter that extracts a video signal component,
'In an intermediate frequency filter circuit for a television receiver comprising a first and a second surface acoustic wave filter connected in parallel,
A characteristic adjustment resistor is connected to the input electrode or the output electrode of at least one of the first or second surface acoustic wave filter to adjust the pass level ratio of the first and second surface acoustic wave filters. Intermediate frequency filter circuit for television receivers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10859181U JPS5816927U (en) | 1981-07-23 | 1981-07-23 | Intermediate frequency filter circuit for television receivers |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10859181U JPS5816927U (en) | 1981-07-23 | 1981-07-23 | Intermediate frequency filter circuit for television receivers |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5816927U true JPS5816927U (en) | 1983-02-02 |
Family
ID=29902990
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10859181U Pending JPS5816927U (en) | 1981-07-23 | 1981-07-23 | Intermediate frequency filter circuit for television receivers |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5816927U (en) |
-
1981
- 1981-07-23 JP JP10859181U patent/JPS5816927U/en active Pending
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