JPS6341932U - - Google Patents
Info
- Publication number
- JPS6341932U JPS6341932U JP13528386U JP13528386U JPS6341932U JP S6341932 U JPS6341932 U JP S6341932U JP 13528386 U JP13528386 U JP 13528386U JP 13528386 U JP13528386 U JP 13528386U JP S6341932 U JPS6341932 U JP S6341932U
- Authority
- JP
- Japan
- Prior art keywords
- transistors
- analog input
- signal
- switching circuit
- bases
- 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 2
Description
第1図は本考案に係る信号切換回路の構成例を
示す図、第2図は第1図のタイムチヤート、第3
図は本考案に係る信号切換回路の別の構成例を示
す図、第4図は第3図のタイムチヤート、第5図
は従来回路を示す図である。
Q1,Q2……PNPトランジスタ、Q3〜Q
6……NPNトランジスタ、R1〜R4……抵抗
。
FIG. 1 is a diagram showing an example of the configuration of a signal switching circuit according to the present invention, FIG. 2 is a time chart of FIG. 1, and FIG.
This figure shows another example of the configuration of the signal switching circuit according to the present invention, FIG. 4 is a time chart of FIG. 3, and FIG. 5 is a diagram showing a conventional circuit. Q 1 , Q 2 ...PNP transistor, Q 3 ~Q
6 ...NPN transistor, R1 to R4 ...resistor.
Claims (1)
より、このアナログ入力信号の任意の1つを選択
して次段へ伝える信号切換回路において、 各アナログ入力信号をベースに導入する第1の
トランジスタQ1,Q2と、 前記第1のトランジスタQ1,Q2のエミツタ
電圧がベースに加えられ、共通のエミツタ抵抗を
持つ第2のトランジスタQ3,Q4と、 各制御信号がベースに加えられ、そのコレクタ
が前記第2のトランジスタのベースにそれぞれ接
続される第3のトランジスタQ5,Q6と、を備
えたことを特徴とする信号切換回路。[Claim for Utility Model Registration] In a signal switching circuit that introduces a plurality of analog input signals, selects any one of these analog input signals using a control signal, and transmits it to the next stage, based on each analog input signal. first transistors Q 1 , Q 2 to be introduced; second transistors Q 3 , Q 4 to which the emitter voltage of the first transistors Q 1 , Q 2 is applied to the base and have a common emitter resistance; A signal switching circuit comprising third transistors Q 5 and Q 6 whose bases are applied with a control signal and whose collectors are respectively connected to the bases of the second transistors.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP13528386U JPS6341932U (en) | 1986-09-03 | 1986-09-03 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP13528386U JPS6341932U (en) | 1986-09-03 | 1986-09-03 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS6341932U true JPS6341932U (en) | 1988-03-19 |
Family
ID=31037320
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP13528386U Pending JPS6341932U (en) | 1986-09-03 | 1986-09-03 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6341932U (en) |
-
1986
- 1986-09-03 JP JP13528386U patent/JPS6341932U/ja active Pending