JPS61166636U - - Google Patents
Info
- Publication number
- JPS61166636U JPS61166636U JP4970285U JP4970285U JPS61166636U JP S61166636 U JPS61166636 U JP S61166636U JP 4970285 U JP4970285 U JP 4970285U JP 4970285 U JP4970285 U JP 4970285U JP S61166636 U JPS61166636 U JP S61166636U
- Authority
- JP
- Japan
- Prior art keywords
- surface wave
- pair
- electrical signal
- propagation path
- wave 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
- 230000001902 propagating effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Filters And Equalizers (AREA)
- Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)
- Amplifiers (AREA)
- Superheterodyne Receivers (AREA)
- Noise Elimination (AREA)
- Structure Of Printed Boards (AREA)
Description
第１図は本考案の中間周波回路の一実施例を示
す図、第２図は他の実施例を示す図、第３図は従
来の中間波回路を示す図である。
１…表面波フイルター、７…差動増幅器、１１
ａ，１１ｂ…リード線、１４…チツプ部品。
FIG. 1 is a diagram showing one embodiment of the intermediate frequency circuit of the present invention, FIG. 2 is a diagram showing another embodiment, and FIG. 3 is a diagram showing a conventional intermediate frequency circuit. 1...Surface wave filter, 7...Differential amplifier, 11
a, 11b...Lead wire, 14...Chip parts.
Claims (1)
変換し、伝播路に介在する電極構造に依存した周
波数特性を呈する表面波伝播経路を伝播した後、
これを出力側において電気信号に変換する表面波
フイルターと、該表面波フイルターに設けられた
一対の出力端子とそれぞれ接続線を介して接続さ
れる一対の入力端子を有する差動増幅器とを備え
たものにおいて、前記一対の接続線を互いに撚り
合せて配置したことを特徴とする中間周波回路。 After converting the electrical signal applied to the input terminal into an acoustic surface wave and propagating it through a surface wave propagation path that exhibits frequency characteristics depending on the electrode structure intervening in the propagation path,
A surface wave filter that converts this into an electrical signal on the output side, and a differential amplifier having a pair of output terminals provided on the surface wave filter and a pair of input terminals each connected via a connecting line. An intermediate frequency circuit characterized in that the pair of connection wires are arranged in a manner that they are twisted together.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4970285U JPS61166636U (en) | 1985-04-03 | 1985-04-03 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4970285U JPS61166636U (en) | 1985-04-03 | 1985-04-03 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61166636U true JPS61166636U (en) | 1986-10-16 |
Family
ID=30567141
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4970285U Pending JPS61166636U (en) | 1985-04-03 | 1985-04-03 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61166636U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5631738B2 (en) * | 1975-02-19 | 1981-07-23 |
-
1985
- 1985-04-03 JP JP4970285U patent/JPS61166636U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5631738B2 (en) * | 1975-02-19 | 1981-07-23 |
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