JPS6121184U - Active low pass filter of satellite broadcast receiver - Google Patents
Active low pass filter of satellite broadcast receiverInfo
- Publication number
- JPS6121184U JPS6121184U JP10423584U JP10423584U JPS6121184U JP S6121184 U JPS6121184 U JP S6121184U JP 10423584 U JP10423584 U JP 10423584U JP 10423584 U JP10423584 U JP 10423584U JP S6121184 U JPS6121184 U JP S6121184U
- Authority
- JP
- Japan
- Prior art keywords
- pass filter
- active low
- transmission mode
- satellite broadcast
- low pass
- 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
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
図は、本考案の一実施例を示す回路ブロック図である。
主要部分の符号の説明、１３ａ〜１３ｄ・・・演算増幅
器、１４・・・切換スイッチ回路、Ｒ１〜Ｒ４・・・抵
抗、０１〜Ｃ４・・・コンデンサ。The figure is a circuit block diagram showing one embodiment of the present invention. Explanation of symbols of main parts, 13a-13d... operational amplifier, 14... selector switch circuit, R1-R4... resistor, 01-C4... capacitor.
Claims (2)
換処理がなされかつ周波数帯域幅が異なる音声信号を含
む衛星放送波を受信して前記伝送モードを検出し、検出
された伝送モードに対応したデイジタルアナログ変換処
理を行なって前記音声信号を再生する受信機において再
生された音声信号中の不要成分を除去するための所定の
周波数特性を有するように互いに接続された複数の素子
からなるアクティブローパスフィルタであって、前記検
出された伝送モードに応じて前記周波数特性を変化させ
る特性変更手段を備えたことを特徴とする衛星放送受信
機のアクティブローパスフィルタ。(1) Receive satellite broadcast waves containing audio signals that have undergone different analog-to-digital conversion processes and have different frequency bandwidths depending on the transmission mode, detect the transmission mode, and perform digital-to-analog conversion processes corresponding to the detected transmission mode. an active low-pass filter consisting of a plurality of elements connected to each other so as to have predetermined frequency characteristics for removing unnecessary components in an audio signal reproduced in a receiver that reproduces the audio signal by performing the An active low-pass filter for a satellite broadcasting receiver, comprising characteristic changing means for changing the frequency characteristic according to a detected transmission mode.
うちの２点にそれぞれ導出された２つの信号のうちのい
ずれか一方を前記伝送モードに応じて選択的に出力端子
に導出する信号選択手段からなることを特徴とする実用
新案登録請求の範囲第１項記載の衛星放送受信機のアク
ティブローパスフィルタ。(2) The characteristic changing means selectively derives one of the two signals respectively derived to two of the connection points of the plurality of elements to the output terminal according to the transmission mode. An active low-pass filter for a satellite broadcasting receiver according to claim 1, characterized in that the active low-pass filter comprises signal selection means.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10423584U JPS6121184U (en) | 1984-07-10 | 1984-07-10 | Active low pass filter of satellite broadcast receiver |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10423584U JPS6121184U (en) | 1984-07-10 | 1984-07-10 | Active low pass filter of satellite broadcast receiver |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6121184U true JPS6121184U (en) | 1986-02-07 |
Family
ID=30663591
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10423584U Pending JPS6121184U (en) | 1984-07-10 | 1984-07-10 | Active low pass filter of satellite broadcast receiver |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6121184U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63233681A (en) * | 1987-03-05 | 1988-09-29 | ジェネラル インストラメント コーポレーション | System and apparatus for supplying digital audio signal to voice carrier of standard television signal |
-
1984
- 1984-07-10 JP JP10423584U patent/JPS6121184U/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63233681A (en) * | 1987-03-05 | 1988-09-29 | ジェネラル インストラメント コーポレーション | System and apparatus for supplying digital audio signal to voice carrier of standard television signal |
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