JPH0453330U - - Google Patents
Info
- Publication number
- JPH0453330U JPH0453330U JP9638890U JP9638890U JPH0453330U JP H0453330 U JPH0453330 U JP H0453330U JP 9638890 U JP9638890 U JP 9638890U JP 9638890 U JP9638890 U JP 9638890U JP H0453330 U JPH0453330 U JP H0453330U
- Authority
- JP
- Japan
- Prior art keywords
- signal
- logic
- state
- switching
- output
- 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
- 230000001747 exhibiting effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
- Radio Relay Systems (AREA)
Description
第１図は本考案に係る信号切換装置の一実施例
を示す回路図、第２図はマイクロ波受信機を示す
構成図である。
１……入力端子、２……ＢＳ／ＣＳデータレジ
スタ、３，６……インバータ、４……オア回路、
５……Ｈ／Ｖデータレジスタ、７，８……入力端
子、Ｑ１，Ｑ２，Ｑ３，Ｑ４……トランジスタ、
Ｄｚ１，Ｄｚ２……ツエナーダイオード。
FIG. 1 is a circuit diagram showing an embodiment of a signal switching device according to the present invention, and FIG. 2 is a configuration diagram showing a microwave receiver. 1...Input terminal, 2...BS/CS data register, 3, 6...Inverter, 4...OR circuit,
5...H/V data register, 7, 8...Input terminal, Q1 , Q2 , Q3 , Q4 ...Transistor,
Dz1, Dz2... Zener diode.
Claims (1)
水平偏波出力とを別々に出力する第１の受信手段
と、 放送衛星からの電波を受信する第２の受信手段
と、 前記第１の受信手段からの垂直偏波出力および
水平偏波出力を入力するとともに、論理“１”も
しくは論理“０”の２値状態を有する第１の切換
信号の制御のもとに前記垂直偏波出力もしくは水
平偏波出力のいずれか一方を選択的に出力する第
１の切換回路と、 前記第１の切換回路にて選択出力された第１の
信号および前記第２の受信手段からの第２の信号
を入力するとともに、論理“１”もしくは論理“
０”の２値状態を有する第２の切換信号の制御の
もとに論理“１”の状態では前記第２の信号を選
択し、論理“０”の状態では前記第１の信号を選
択して出力する第２の切換回路と、 前記第１、第２の切換信号を発生する手段であ
つて、前記第２の切換信号が論理“１”の状態に
あるときは、前記第１の切換信号は論理“０”の
状態にあり、前記第２の切換信号は論理“０”の
状態にあるときは、前記第１の切換信号は論理“
１”もしくは論理“０”の状態を呈する切換信号
を発生する手段とを具備したことを特徴とする信
号切換装置。[Claims for Utility Model Registration] A first receiving means that receives radio waves from a communication satellite and outputs vertically polarized output and horizontally polarized output separately, and a second receiver that receives radio waves from a broadcasting satellite. a receiving means, which inputs the vertically polarized wave output and the horizontally polarized wave output from the first receiving means, and also controls a first switching signal having a binary state of logic "1" or logic "0"; a first switching circuit that selectively outputs either the vertically polarized output or the horizontally polarized output; and a first signal selectively output by the first switching circuit and the second signal. While inputting the second signal from the receiving means, the logic “1” or the logic “
Under the control of a second switching signal having a binary state of "0", a logic "1" state selects the second signal, and a logic "0" state selects the first signal. a second switching circuit that outputs the first switching signal; and means for generating the first and second switching signals, wherein when the second switching signal is in a logic "1" state, the first switching circuit signal is in a logic "0" state and said second switching signal is in a logic "0" state, said first switching signal is in a logic "0" state.
1. A signal switching device comprising means for generating a switching signal exhibiting a state of "1" or logic "0".
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9638890U JPH0453330U (en) | 1990-09-12 | 1990-09-12 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9638890U JPH0453330U (en) | 1990-09-12 | 1990-09-12 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0453330U true JPH0453330U (en) | 1992-05-07 |
Family
ID=31835878
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9638890U Pending JPH0453330U (en) | 1990-09-12 | 1990-09-12 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0453330U (en) |
-
1990
- 1990-09-12 JP JP9638890U patent/JPH0453330U/ja active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPH0453330U (en) | ||
| JPS59144910U (en) | balanced mixer circuit | |
| JPS6224539U (en) | ||
| JPH0438147U (en) | ||
| JPS58157228A (en) | FM receiver capable of receiving TV audio | |
| JPH03115441U (en) | ||
| JPS63299521A (en) | Radio reporting device | |
| JPS609385U (en) | Cable TV broadcast receiving mechanism | |
| JPS5962575U (en) | moving target radar device | |
| JPS59109970U (en) | Pulse radar device | |
| JPS5819576U (en) | television receiver | |
| JPS5840956U (en) | FM receiver | |
| JPH0744390B2 (en) | Semiconductor integrated circuit | |
| JPH0427685U (en) | ||
| JPS59111329U (en) | Signal switching circuit | |
| JPS60100675U (en) | radar device | |
| JPS6372575U (en) | ||
| JPS6323832U (en) | ||
| JPS63122900U (en) | ||
| JPS6266435U (en) | ||
| JPS5868736U (en) | electronic tuning receiver | |
| JPH045733U (en) | ||
| JPS61189636U (en) | ||
| JPH0397242U (en) | ||
| JPS5973854U (en) | frequency converter |