JPS63110921U - - Google Patents
Info
- Publication number
- JPS63110921U JPS63110921U JP220787U JP220787U JPS63110921U JP S63110921 U JPS63110921 U JP S63110921U JP 220787 U JP220787 U JP 220787U JP 220787 U JP220787 U JP 220787U JP S63110921 U JPS63110921 U JP S63110921U
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- electronic device
- constant voltage
- input terminal
- electronic
- 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 4
Landscapes
- Control Of Electrical Variables (AREA)
- Continuous-Control Power Sources That Use Transistors (AREA)
Description
第１図は本考案の一実施例による電子装置の入
力回路の構成を示す回路図、第２図は従来の電子
装置の入力回路の回路構成の一例を示す回路図、
第３図ａ，ｂ，ｃは信号入力端子の短絡の態様を
示す図、第４図は残留電圧調整回路を設けた従来
の電子装置の一例を示す回路図である。
１…電子回路、２…電源入力端子、３…接地入
力端子、４，１０…シリーズレギユレータ、５，
１１…信号用接地入力端子、６，１２…信号入力
端子、７…入力フイルタ。
FIG. 1 is a circuit diagram showing the configuration of an input circuit of an electronic device according to an embodiment of the present invention, and FIG. 2 is a circuit diagram showing an example of the circuit configuration of an input circuit of a conventional electronic device.
FIGS. 3a, b, and c are diagrams showing how signal input terminals are short-circuited, and FIG. 4 is a circuit diagram showing an example of a conventional electronic device provided with a residual voltage adjustment circuit. 1...Electronic circuit, 2...Power input terminal, 3...Ground input terminal, 4, 10...Series regulator, 5,
11... Signal ground input terminal, 6, 12... Signal input terminal, 7... Input filter.
Claims (1)
と、を有する電子装置において、 前記定電圧回路は電子装置の電源用接地入力端
に直列接続されたトランジスタを有する直列型定
電圧回路であり、 前記電子回路の信号用接地入力端子は前記電子
装置の電源用接地入力端子と同一電位の端子であ
ることを特徴とする電子装置。[Claims for Utility Model Registration] An electronic device comprising an electronic circuit including a digital logic element and a constant voltage circuit that supplies a constant voltage to the electronic circuit, wherein the constant voltage circuit is connected to a ground input terminal for power supply of the electronic device. 1. An electronic device, which is a series type constant voltage circuit having a transistor connected in series with the electronic circuit, wherein a signal ground input terminal of the electronic circuit is a terminal having the same potential as a power supply ground input terminal of the electronic device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP220787U JPS63110921U (en) | 1987-01-09 | 1987-01-09 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP220787U JPS63110921U (en) | 1987-01-09 | 1987-01-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63110921U true JPS63110921U (en) | 1988-07-16 |
Family
ID=30780830
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP220787U Pending JPS63110921U (en) | 1987-01-09 | 1987-01-09 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63110921U (en) |
-
1987
- 1987-01-09 JP JP220787U patent/JPS63110921U/ja active Pending
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