JPS58564U - television receiver - Google Patents
television receiverInfo
- Publication number
- JPS58564U JPS58564U JP9376181U JP9376181U JPS58564U JP S58564 U JPS58564 U JP S58564U JP 9376181 U JP9376181 U JP 9376181U JP 9376181 U JP9376181 U JP 9376181U JP S58564 U JPS58564 U JP S58564U
- Authority
- JP
- Japan
- Prior art keywords
- detection circuit
- signal
- video intermediate
- circuit
- intermediate frequency
- 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図は本考案による高感度テレビジョン受信機の一実
施例を示す回路図、第２図は本考案の効果を説明するた
めのＳＡＷフィルターの出力側結合回路の等価回路図で
ある。
１・・・・・・チューナ、２・・・・・・入力結合回路
、３・・・・・・ＳＡＷ、４・・・・・・ＰＩＦ回路、
５・・・・・・コンデンサ、６゜７・・・・・・抵抗、
８・・・・・・トランジスタ、９〜１１・・・・・・抵
抗、１２・・・・・・可変容量ダイオード、１３・・・
・・・ＳＡＷ出力コンダクタンス、１４・・・・・・Ｓ
ＡＷ出力サセプタンス、１５・・・・・・結合回路サセ
プタンス、１６・・・・・・ＩＣ入力コンダクタンス、
１７・・・・・・ＩＣ人力サセプタンス。FIG. 1 is a circuit diagram showing an embodiment of a high-sensitivity television receiver according to the present invention, and FIG. 2 is an equivalent circuit diagram of an output side coupling circuit of a SAW filter for explaining the effects of the present invention. 1...Tuner, 2...Input coupling circuit, 3...SAW, 4...PIF circuit,
5...Capacitor, 6゜7...Resistor,
8...Transistor, 9-11...Resistor, 12...Variable capacitance diode, 13...
...SAW output conductance, 14...S
AW output susceptance, 15... Combined circuit susceptance, 16... IC input conductance,
17...IC human power susceptance.
Claims (1)
映像中間信号を増幅・検波する映像中間周波増幅検波回
路と、該映像中間周波増幅検波回路の出力を一定に制御
する自動利得制御回路と、該自動利得制御回路の制御信
号を検出し、上記制御信号に応じて少なくとも２積類の
出力を発生する検出回路と、該表面弾性波フィルタに固
有トリプルトランジットエコーを抑圧する機能を持ち、
さらに該検出回路の出力によってアドミッタンスが変化
する機能を持った結合回路を有することを特徴としたテ
レビジョン受信機。a surface acoustic wave filter that waves the video intermediate frequency signal;
A video intermediate frequency amplification and detection circuit that amplifies and detects a video intermediate signal, an automatic gain control circuit that controls the output of the video intermediate frequency amplification and detection circuit to a constant value, and a control signal of the automatic gain control circuit that is detected and the control described above is performed. a detection circuit that generates at least a two-product type output in response to a signal, and a function to suppress triple transit echoes specific to the surface acoustic wave filter;
A television receiver further comprising a coupling circuit having a function of changing admittance depending on the output of the detection circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9376181U JPS58564U (en) | 1981-06-26 | 1981-06-26 | television receiver |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9376181U JPS58564U (en) | 1981-06-26 | 1981-06-26 | television receiver |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS58564U true JPS58564U (en) | 1983-01-05 |
Family
ID=29888729
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9376181U Pending JPS58564U (en) | 1981-06-26 | 1981-06-26 | television receiver |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58564U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61171361U (en) * | 1985-04-15 | 1986-10-24 | ||
| JPS6367302U (en) * | 1986-10-23 | 1988-05-06 | ||
| JPH0414502U (en) * | 1990-05-29 | 1992-02-05 |
-
1981
- 1981-06-26 JP JP9376181U patent/JPS58564U/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61171361U (en) * | 1985-04-15 | 1986-10-24 | ||
| JPS6367302U (en) * | 1986-10-23 | 1988-05-06 | ||
| JPH0414502U (en) * | 1990-05-29 | 1992-02-05 | ||
| JP2509650Y2 (en) * | 1990-05-29 | 1996-09-04 | セイレイ工業株式会社 | Tread adjustment mechanism |
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