JPS6061842U - current switcher - Google Patents
current switcherInfo
- Publication number
- JPS6061842U JPS6061842U JP15311583U JP15311583U JPS6061842U JP S6061842 U JPS6061842 U JP S6061842U JP 15311583 U JP15311583 U JP 15311583U JP 15311583 U JP15311583 U JP 15311583U JP S6061842 U JPS6061842 U JP S6061842U
- Authority
- JP
- Japan
- Prior art keywords
- current
- semiconductor switch
- differential
- switch
- resistance element
- 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
Landscapes
- Control Of Electrical Variables (AREA)
- Analogue/Digital Conversion (AREA)
- Electronic Switches (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図及び第２図は従来の電流切替器を示す接続図、第
３図はこの考案による電流切替器の一例を示す接続図、
第４図は第３図における電流切替器の入力に対する出力
電流特性図、第５図は可変−電流分配回路の他の例を示
す接続図、第６図はこの考案による電流切替器の他の例
を示す接断図である。
１１：定電流源、１２：電源端子、１３：出力端子、１
５：差動型ＦＥＴスイッチ、１６：スイッチ駆動回路、
１７：可変電流源、３１：可変電流分配回路。1 and 2 are connection diagrams showing a conventional current switching device, and FIG. 3 is a connection diagram showing an example of a current switching device according to this invention,
Fig. 4 is an output current characteristic diagram for the input of the current switch in Fig. 3, Fig. 5 is a connection diagram showing another example of the variable current distribution circuit, and Fig. 6 is another example of the current switch according to this invention. It is a cutaway diagram showing an example. 11: constant current source, 12: power supply terminal, 13: output terminal, 1
5: Differential FET switch, 16: Switch drive circuit,
17: variable current source, 31: variable current distribution circuit.
Claims (1)
通接続端に接続された定電流源と、スイッチ制御信号に
より切替制御され、一方の出力端が上記差動型半導体ス
イッチの第１入力端に接続された差動型スイッチ駆動回
路とを具備した電流切替器において、上記差動型半導体
スイッチの第１、第２入力端と電源端子との間にそれぞ
れ接続された第１、第２抵抗素子と、分配比を保持して
出力電流を変化することができる電流分配回路とを備え
、その電流分配回路の一方の分配電流は上記スイッチ駆
動回路に切替電流として供給され、上記電流分配回路の
他方の分配電流は上記第２抵抗素子に供給され、上記電
流分配回路の電流の変化により、上記第１抵抗素子及び
第２抵抗素子における降下電圧の変化が第１抵抗素子の
方が大となるように選定されている電流切替器。Switching is controlled by a differential semiconductor switch, a constant current source connected to a common connection terminal of the differential semiconductor switch, and a switch control signal, and one output terminal is a first input terminal of the differential semiconductor switch. In the current switching device, the current switching device includes a differential type switch drive circuit connected to the differential type semiconductor switch, and first and second resistors respectively connected between the first and second input terminals of the differential type semiconductor switch and the power supply terminal. and a current distribution circuit that can change the output current while maintaining a distribution ratio, one distribution current of the current distribution circuit is supplied to the switch drive circuit as a switching current, and the current distribution circuit of the current distribution circuit is supplied as a switching current to the switch drive circuit. The other distributed current is supplied to the second resistance element, and due to a change in the current of the current distribution circuit, the change in voltage drop across the first resistance element and the second resistance element is larger in the first resistance element. The current switching device is selected as follows.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15311583U JPS6061842U (en) | 1983-09-30 | 1983-09-30 | current switcher |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15311583U JPS6061842U (en) | 1983-09-30 | 1983-09-30 | current switcher |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6061842U true JPS6061842U (en) | 1985-04-30 |
| JPH03759Y2 JPH03759Y2 (en) | 1991-01-11 |
Family
ID=30338847
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15311583U Granted JPS6061842U (en) | 1983-09-30 | 1983-09-30 | current switcher |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6061842U (en) |
-
1983
- 1983-09-30 JP JP15311583U patent/JPS6061842U/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPH03759Y2 (en) | 1991-01-11 |
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