JPS6381533U - - Google Patents
Info
- Publication number
- JPS6381533U JPS6381533U JP17622286U JP17622286U JPS6381533U JP S6381533 U JPS6381533 U JP S6381533U JP 17622286 U JP17622286 U JP 17622286U JP 17622286 U JP17622286 U JP 17622286U JP S6381533 U JPS6381533 U JP S6381533U
- Authority
- JP
- Japan
- Prior art keywords
- signal
- control signal
- response
- transistor
- base
- 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.)
- Granted
Links
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Electronic Switches (AREA)
Description
第１図は本考案の一実施例を示す回路図、及び
第２図は従来の信号切換回路を示す回路図である
。
２０Ａ……第１入力端子、２２Ａ……第１制御
端子、２３……出力端子、２４Ａ……第１トラン
ジスタ、４０……電源、２６Ａ……抵抗、２７Ａ
……第２トランジスタ、２８Ａ……第１カレント
ミラー回路、３１Ａ……第２カレントミラー回路
、３３Ａ……トランジスタ。
FIG. 1 is a circuit diagram showing an embodiment of the present invention, and FIG. 2 is a circuit diagram showing a conventional signal switching circuit. 20A...first input terminal, 22A...first control terminal, 23...output terminal, 24A...first transistor, 40...power supply, 26A...resistance, 27A
...Second transistor, 28A ...First current mirror circuit, 31A ...Second current mirror circuit, 33A...Transistor.
Claims (1)
、第１及び第２入力信号の一方を切換選択する信
号切換回路において、ベースに前記第１入力信号
が印加され、前記第１制御信号に応じて動作する
第１トランジスタと、ベースに前記第２入力信号
が印加され、前記第２制御信号に応じて動作する
第２トランジスタと、前記第１制御信号に応じて
前記第１トランジスタのベース電流を供給する第
１電流供給回路と、前記第２制御信号に応じて前
記第２トランジスタのベース電流を供給する第２
電流供給回路とを備えることを特徴とする信号切
換回路。 In a signal switching circuit that switches and selects one of the first and second input signals according to first and second control signals having opposite polarities, the first input signal is applied to a base, and the first input signal is applied to the first control signal. a second transistor whose base is applied with the second input signal and which operates in response to the second control signal; and a base current of the first transistor in response to the first control signal. a first current supply circuit that supplies a base current of the second transistor in response to the second control signal;
A signal switching circuit comprising a current supply circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986176222U JPH062347Y2 (en) | 1986-11-17 | 1986-11-17 | Signal switching circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986176222U JPH062347Y2 (en) | 1986-11-17 | 1986-11-17 | Signal switching circuit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6381533U true JPS6381533U (en) | 1988-05-28 |
| JPH062347Y2 JPH062347Y2 (en) | 1994-01-19 |
Family
ID=31116260
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1986176222U Expired - Lifetime JPH062347Y2 (en) | 1986-11-17 | 1986-11-17 | Signal switching circuit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH062347Y2 (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5249304A (en) * | 1975-10-16 | 1977-04-20 | Mitsubishi Gas Chemical Co | Finishing process for pulp bleached with oxygen |
| JPS61232720A (en) * | 1985-04-08 | 1986-10-17 | Hitachi Ltd | Analog switch circuit |
-
1986
- 1986-11-17 JP JP1986176222U patent/JPH062347Y2/en not_active Expired - Lifetime
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5249304A (en) * | 1975-10-16 | 1977-04-20 | Mitsubishi Gas Chemical Co | Finishing process for pulp bleached with oxygen |
| JPS61232720A (en) * | 1985-04-08 | 1986-10-17 | Hitachi Ltd | Analog switch circuit |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH062347Y2 (en) | 1994-01-19 |