JPS5976141U - level conversion circuit - Google Patents
level conversion circuitInfo
- Publication number
- JPS5976141U JPS5976141U JP17120282U JP17120282U JPS5976141U JP S5976141 U JPS5976141 U JP S5976141U JP 17120282 U JP17120282 U JP 17120282U JP 17120282 U JP17120282 U JP 17120282U JP S5976141 U JPS5976141 U JP S5976141U
- Authority
- JP
- Japan
- Prior art keywords
- level conversion
- resistor
- diode
- conversion circuit
- conversion 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
- 238000006243 chemical reaction Methods 0.000 title claims description 11
- 239000003990 capacitor Substances 0.000 claims description 5
- 230000005540 biological transmission Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Logic Circuits (AREA)
- Manipulation Of Pulses (AREA)
- Electronic Switches (AREA)
- Dc Digital Transmission (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図は従来のレベル変換回路の回路構成図、第２図は
本考案の一実施例を示すレベル変換回路の回路構成図、
第３図は第２図の動作説明に供する各部の電圧波形図で
ある。
１・・・・・・入力端子、２・・・・・・出力端子、３
・・・・・・レベル変換素子、７・・・・・・第１の抵
抗器、８・・・・・・第１のダイオード、９・・・・・
・第１のコンデンサ、１０・・・・・・第２の抵抗器、
１１・・・・・・第２のダイオード、１２・・・・・・
第２のコンデンサ、■ＤＤ・・・・・・レベル変換素子
の正電源入力端子、■８．・・・・・・レベル変換素子
の負電源入力端子。 ・FIG. 1 is a circuit configuration diagram of a conventional level conversion circuit, and FIG. 2 is a circuit configuration diagram of a level conversion circuit showing an embodiment of the present invention.
FIG. 3 is a voltage waveform diagram of each part for explaining the operation of FIG. 2. 1...Input terminal, 2...Output terminal, 3
...Level conversion element, 7...First resistor, 8...First diode, 9...
・First capacitor, 10...second resistor,
11... Second diode, 12...
Second capacitor, ■DD...Positive power supply input terminal of level conversion element, ■8. ... Negative power supply input terminal of the level conversion element.・
Claims (1)
ェースに用いるレベル変換素子を備えたレベル変換回路
において、前記レベル変換素子の正電源入力端子は第１
のコンデンサを介して接地するとともに第１のダイオー
ドのアノード側と第１の抵抗器の一端に接続し、前記第
１のダイオードのカソード側と第１の抵抗器の他端は共
に正電源に接続し、前記レベル変換素子の負電源入力端
子は直列に接続した第２の抵抗器と第２のコンデンサを
介して接地するとともに第２のダイオードのアノードに
接続し、該第２のダイオードのカソードは負電源に接続
することを特徴とするレベル変換回路。In a level conversion circuit including a level conversion element used for an interface between a data transmission modem and a data terminal device, a positive power input terminal of the level conversion element is connected to a first terminal.
is grounded through a capacitor and connected to the anode side of the first diode and one end of the first resistor, and the cathode side of the first diode and the other end of the first resistor are both connected to a positive power supply. The negative power input terminal of the level conversion element is grounded through a second resistor and a second capacitor connected in series, and is also connected to the anode of a second diode, and the cathode of the second diode is connected to the ground through a second resistor and a second capacitor connected in series. A level conversion circuit characterized by being connected to a negative power supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17120282U JPS5976141U (en) | 1982-11-12 | 1982-11-12 | level conversion circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17120282U JPS5976141U (en) | 1982-11-12 | 1982-11-12 | level conversion circuit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5976141U true JPS5976141U (en) | 1984-05-23 |
| JPS646595Y2 JPS646595Y2 (en) | 1989-02-21 |
Family
ID=30373522
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP17120282U Granted JPS5976141U (en) | 1982-11-12 | 1982-11-12 | level conversion circuit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5976141U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0198317A (en) * | 1987-10-09 | 1989-04-17 | Nec Corp | Integrated circuit |
-
1982
- 1982-11-12 JP JP17120282U patent/JPS5976141U/en active Granted
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0198317A (en) * | 1987-10-09 | 1989-04-17 | Nec Corp | Integrated circuit |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS646595Y2 (en) | 1989-02-21 |
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