JPS63174730U - - Google Patents
Info
- Publication number
- JPS63174730U JPS63174730U JP1701387U JP1701387U JPS63174730U JP S63174730 U JPS63174730 U JP S63174730U JP 1701387 U JP1701387 U JP 1701387U JP 1701387 U JP1701387 U JP 1701387U JP S63174730 U JPS63174730 U JP S63174730U
- Authority
- JP
- Japan
- Prior art keywords
- diode
- bias voltage
- terminal
- output terminal
- switch
- 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
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Signal Processing Not Specific To The Method Of Recording And Reproducing (AREA)
- Electronic Switches (AREA)
Description
図は本考案の信号切換回路図である。
１…第１入力端子、２…第２入力端子、３…出
力端子、４…第１ダイオード、８…第２ダイオー
ド、１０…バイアス電源、１４…開閉スイツチ。
The figure is a signal switching circuit diagram of the present invention. DESCRIPTION OF SYMBOLS 1...First input terminal, 2...Second input terminal, 3...Output terminal, 4...First diode, 8...Second diode, 10...Bias power supply, 14...Open/close switch.
Claims (1)
及び第２入力端子と、前記第１及び第２入力端子
に入力された信号を選択的に出力する出力端子と
、第１入力端子及び出力端子間に接続された第１
ダイオードと、第２入力端子及び出力端子間に接
続され前記第１ダイオードと逆極性に接続された
第２ダイオードと、前記第１ダイオードに第１の
順方向バイアス電圧を供給する第１バイアス回路
と、第２ダイオードに前記第１の順方向バイアス
電圧より大なる順方向バイアス電圧を供給する第
２バイアス回路と、前記第２ダイオードに接続さ
れた開閉スイツチとよりなり、前記開閉スイツチ
のオフ時には第１のバイアス電圧によつて第１ダ
イオードをオンし第１入力端子に供給された信号
を出力端子に出力し、開閉スイツチのオン時には
第２のバイアス電圧によつて第２ダイオードをオ
ンし第２入力端子に供給された信号を出力端子に
出力するとともに、該第２ダイオードを介して第
１ダイオードに第２のバイアス電圧を逆バイアス
電圧とし加え、該第１ダイオードをオフすること
を特徴とする信号切換回路。 The first one receives signals from different signal sources.
and a second input terminal, an output terminal that selectively outputs the signals input to the first and second input terminals, and a first terminal connected between the first input terminal and the output terminal.
a second diode connected between a second input terminal and an output terminal and having a polarity opposite to that of the first diode; and a first bias circuit that supplies a first forward bias voltage to the first diode. , a second bias circuit that supplies a forward bias voltage higher than the first forward bias voltage to the second diode, and an on/off switch connected to the second diode, and when the on/off switch is off, the on/off switch is connected to the second diode. The first diode is turned on by the first bias voltage and the signal supplied to the first input terminal is output to the output terminal, and when the on-off switch is turned on, the second diode is turned on by the second bias voltage and the second It is characterized by outputting the signal supplied to the input terminal to the output terminal, and applying a second bias voltage as a reverse bias voltage to the first diode via the second diode to turn off the first diode. Signal switching circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1701387U JPS63174730U (en) | 1987-02-06 | 1987-02-06 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1701387U JPS63174730U (en) | 1987-02-06 | 1987-02-06 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63174730U true JPS63174730U (en) | 1988-11-14 |
Family
ID=30809391
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1701387U Pending JPS63174730U (en) | 1987-02-06 | 1987-02-06 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63174730U (en) |
-
1987
- 1987-02-06 JP JP1701387U patent/JPS63174730U/ja active Pending