JPH0322482U - - Google Patents
Info
- Publication number
- JPH0322482U JPH0322482U JP1989081402U JP8140289U JPH0322482U JP H0322482 U JPH0322482 U JP H0322482U JP 1989081402 U JP1989081402 U JP 1989081402U JP 8140289 U JP8140289 U JP 8140289U JP H0322482 U JPH0322482 U JP H0322482U
- Authority
- JP
- Japan
- Prior art keywords
- signal
- circuit
- video
- demodulation
- output signal
- 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
- 230000005236 sound signal Effects 0.000 claims description 4
- 238000006243 chemical reaction Methods 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000003990 capacitor Substances 0.000 description 1
Description
第１図は本考案の衛星放送受信機の実施例を示
すブロツク図、第２図は従来の衛星放送受信機を
示すブロツク図である。
１……ＢＳアンテナ、２……ＢＳコンバータ、
３……同軸ケーブル、４……ＢＳチユーナ、５…
…ＢＳ−ＩＦ信号入力端子、６……周波数変換回
路、７……ＡＧＣ回路、８……ＦＭ復調回路、９
……映像信号処理回路、１０……映像信号出力端
子、１１……音声信号処理回路、１２，１３……
音声信号出力端子、１４……ＢＳコンバータ用電
源回路、１５……レベルチエツク端子、１６……
直流電圧計、１７……ＲＦ変調回路、１８，２０
……フイルタ、１９……ＢＳアンテナの角度設定
治具、２１，２２，２３，２４……端子、２５…
…小型テレビジヨン受像機、２６……電源入力端
子、２７……ＲＦ信号入力端子、Ｃ……コンデン
サ、Ｌ……インダクタンス。
FIG. 1 is a block diagram showing an embodiment of the satellite broadcasting receiver of the present invention, and FIG. 2 is a block diagram showing a conventional satellite broadcasting receiver. 1...BS antenna, 2...BS converter,
3... Coaxial cable, 4... BS tuner, 5...
...BS-IF signal input terminal, 6...Frequency conversion circuit, 7...AGC circuit, 8...FM demodulation circuit, 9
...Video signal processing circuit, 10...Video signal output terminal, 11...Audio signal processing circuit, 12, 13...
Audio signal output terminal, 14...BS converter power supply circuit, 15...Level check terminal, 16...
DC voltmeter, 17...RF modulation circuit, 18, 20
...Filter, 19...BS antenna angle setting jig, 21, 22, 23, 24...Terminal, 25...
...Small television receiver, 26...Power input terminal, 27...RF signal input terminal, C...Capacitor, L...Inductance.
Claims (1)
波数変換されて伝送されるＢＳ−ＩＦ信号を入力
するためのＢＳ−ＩＦ信号入力端子と、 前記ＢＳ−ＩＦ信号を中間周波数帯域に変換す
る周波数変換回路と、 前記周波数変換回路の出力信号をＦＭ復調して
映像信号と音声信号を分離、出力するＦＭ復調回
路と、 前記ＦＭ復調回路の出力信号である映像信号を
デイエンフアシス、エネルギー拡散信号の除去等
の処理をして映像出力信号を得る映像信号処理回
路と、 前記ＦＭ復調回路の出力信号である音声信号を
４組ＤＰＳＫ復調、ＰＣＭ復調等の処理をして音
声出力信号を得る音声信号処理回路と、 前記映像出力信号と音声出力信号を再変調して
ＲＦ信号を得て、前記ＢＳ−ＩＦ信号入力端子に
重畳するＲＦ変調回路と、 前記ＢＳコンバータ用の直流電源電圧を発生し
、前記ＢＳ−ＩＦ信号入力端子に重畳するＢＳコ
ンバータ用電源回路とを有して構成したことを特
徴とする衛星放送受信機。[Claims for Utility Model Registration] A BS-IF signal input terminal for inputting a BS-IF signal received by a BS antenna, frequency-converted by a BS converter, and transmitted; an FM demodulation circuit that performs FM demodulation on the output signal of the frequency conversion circuit to separate and output a video signal and an audio signal; A video signal processing circuit that performs processing such as removing a spread signal to obtain a video output signal; and a video signal processing circuit that performs processing such as removing a spread signal to obtain a video output signal, and performs processing such as DPSK demodulation and PCM demodulation on four sets of audio signals that are output signals of the FM demodulation circuit to obtain an audio output signal. an RF modulation circuit that re-modulates the video output signal and the audio output signal to obtain an RF signal and superimposes it on the BS-IF signal input terminal; 1. A satellite broadcasting receiver comprising: a BS converter power supply circuit which generates a BS-IF signal and superimposes it on the BS-IF signal input terminal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989081402U JPH0322482U (en) | 1989-07-11 | 1989-07-11 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989081402U JPH0322482U (en) | 1989-07-11 | 1989-07-11 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0322482U true JPH0322482U (en) | 1991-03-07 |
Family
ID=31627318
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1989081402U Pending JPH0322482U (en) | 1989-07-11 | 1989-07-11 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0322482U (en) |
-
1989
- 1989-07-11 JP JP1989081402U patent/JPH0322482U/ja active Pending
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