JPH02137174U - - Google Patents
Info
- Publication number
- JPH02137174U JPH02137174U JP4570789U JP4570789U JPH02137174U JP H02137174 U JPH02137174 U JP H02137174U JP 4570789 U JP4570789 U JP 4570789U JP 4570789 U JP4570789 U JP 4570789U JP H02137174 U JPH02137174 U JP H02137174U
- Authority
- JP
- Japan
- Prior art keywords
- signal
- intermediate frequency
- video
- pal
- secam
- 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
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Description
第１図はこの考案の一実施例であるＰＡＬ／Ｓ
ＥＣＡＭ共用テレビジヨン受信機のブロツク図、
第２図はトラツプを回路に介挿したときの、映像
中間周波フイルタの２次側から見た特性を示す図
、第３図はトラツプの一例であるブリツジＴ型ト
ラツプを示す回路図、第４図は従来のＰＡＬ／Ｓ
ＥＣＡＭ共用テレビジヨン受信機のブロツク図、
第５図および第６図は映像中間周波フイルタの特
性を示す図である。
１……選局回路、５……映像中間周波フイルタ
、６……映像検波回路、１２……トラツプ。
Figure 1 shows an example of this invention, PAL/S.
Block diagram of ECAM common television receiver,
Figure 2 is a diagram showing the characteristics seen from the secondary side of the video intermediate frequency filter when a trap is inserted into the circuit, Figure 3 is a circuit diagram showing a bridge T-type trap, which is an example of a trap, and Figure 4 The figure shows conventional PAL/S
Block diagram of ECAM common television receiver,
FIGS. 5 and 6 are diagrams showing the characteristics of the video intermediate frequency filter. 1... Tuning circuit, 5... Video intermediate frequency filter, 6... Video detection circuit, 12... Trap.
Claims (1)
式のテレビジヨン信号とを受信可能であつて、受
信したテレビジヨン信号を各方式に応じた中間周
波信号に変換して出力する選局回路と、前記中間
周波信号を入力して映像信号とＰＡＬ方式の音声
インターキヤリア信号とを出力する映像検波回路
とを具備するＰＡＬ／ＳＥＣＡＭ共用テレビジヨ
ン受信機において、前記選局回路と前記映像検波
回路の間に設けられ、前記中間周波信号を通過さ
せる映像中間周波フイルタと、前記ＳＥＣＡＭ方
式のテレビジヨン信号受信時およびＢ／Ｇ−ＰＡ
Ｌ方式のテレビジヨン信号受信時に前記選局回路
と前記映像検波回路との間に挿入される３２．４
ＭＨＺのトラツプとを具備することを特徴とする
ＰＡＬ／ＳＥＣＡＭ共用テレビジヨン受信機。 A channel selection circuit capable of receiving a PAL system television signal and a SECAM system television signal and converting the received television signal into an intermediate frequency signal according to each system and outputting the intermediate frequency signal, and the intermediate frequency signal. in a PAL/SECAM shared television receiver comprising a video detection circuit that inputs a video signal and outputs a video signal and a PAL audio intercarrier signal, provided between the channel selection circuit and the video detection circuit, a video intermediate frequency filter that passes the intermediate frequency signal; and a video intermediate frequency filter that passes the intermediate frequency signal;
32.4 inserted between the channel selection circuit and the video detection circuit when receiving an L system television signal.
1. A PAL/SECAM common television receiver, characterized in that it is equipped with an MHZ trap.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4570789U JPH02137174U (en) | 1989-04-19 | 1989-04-19 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4570789U JPH02137174U (en) | 1989-04-19 | 1989-04-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02137174U true JPH02137174U (en) | 1990-11-15 |
Family
ID=31560120
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4570789U Pending JPH02137174U (en) | 1989-04-19 | 1989-04-19 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02137174U (en) |
-
1989
- 1989-04-19 JP JP4570789U patent/JPH02137174U/ja active Pending