JPS61168734U - - Google Patents
Info
- Publication number
- JPS61168734U JPS61168734U JP5071485U JP5071485U JPS61168734U JP S61168734 U JPS61168734 U JP S61168734U JP 5071485 U JP5071485 U JP 5071485U JP 5071485 U JP5071485 U JP 5071485U JP S61168734 U JPS61168734 U JP S61168734U
- Authority
- JP
- Japan
- Prior art keywords
- current source
- constant current
- insulating transformer
- outputs
- diode circuit
- 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
- 238000002955 isolation Methods 0.000 description 1
Description
第１図は本考案装置の一例を示す構成接続図、
第２図は第１図装置に用いられているダイオード
回路の電圧電流特性を示す線図、第３図は従来装
置の構成接続図、第４図はバス・ケーブルに出力
される信号の波形図である。
１…バス・ケーブル、２…ターミネータ、３…
ケーブル・ドライバ、３１…絶縁トランス、３２
…定電流源、３３，３４…スイツチングトランジ
スタ。
FIG. 1 is a configuration and connection diagram showing an example of the device of the present invention;
Figure 2 is a diagram showing the voltage-current characteristics of the diode circuit used in the device shown in Figure 1, Figure 3 is a configuration and connection diagram of the conventional device, and Figure 4 is a waveform diagram of the signal output to the bus cable. It is. 1...bus cable, 2...terminator, 3...
Cable driver, 31...Isolation transformer, 32
... Constant current source, 33, 34... Switching transistor.
Claims (1)
イルに供給され二次コイルに伝送すべきデータに
応じて極性が正、負に変化するような信号を出力
する絶縁トランスとを含むケーブル・ドライバに
おいて、 前記絶縁トランスの二次コイルを互いに逆極性
に並列接続したダイオード回路を介してバスケー
ブルに接続したことを特徴とするケーブル・ドラ
イバ。[Claims for Utility Model Registration] A constant current source, and a current from this constant current source is supplied to a primary coil and outputs a signal whose polarity changes from positive to negative depending on the data to be transmitted to the secondary coil. What is claimed is: 1. A cable driver comprising an insulating transformer, characterized in that the secondary coils of the insulating transformer are connected to a bus cable via a diode circuit connected in parallel with opposite polarities.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5071485U JPS61168734U (en) | 1985-04-05 | 1985-04-05 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5071485U JPS61168734U (en) | 1985-04-05 | 1985-04-05 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61168734U true JPS61168734U (en) | 1986-10-20 |
Family
ID=30569107
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5071485U Pending JPS61168734U (en) | 1985-04-05 | 1985-04-05 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61168734U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02272855A (en) * | 1989-04-13 | 1990-11-07 | Toshiba Corp | Transmission line drive device |
-
1985
- 1985-04-05 JP JP5071485U patent/JPS61168734U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02272855A (en) * | 1989-04-13 | 1990-11-07 | Toshiba Corp | Transmission line drive device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPS61168734U (en) | ||
| JPS6249350U (en) | ||
| JPS6034782U (en) | small power transformer | |
| JPS6253827U (en) | ||
| JPS6288481U (en) | ||
| JPS6253828U (en) | ||
| JPS5931174U (en) | outlet adapter | |
| JPS6129069U (en) | engine control device | |
| JPS5995796U (en) | Switching transistor cutoff signal supply device | |
| JPS6454425U (en) | ||
| JPS6257842U (en) | ||
| JPS6129558U (en) | active receive circuit | |
| JPS58174991U (en) | Zero point crossing detection device in high frequency circuit | |
| JPS6068484U (en) | Impulse test equipment | |
| JPS6113589U (en) | switching power supply | |
| JPS58176433U (en) | signal transmission circuit | |
| JPS61131133U (en) | ||
| JPS6267271U (en) | ||
| JPS6381421U (en) | ||
| JPS6390171U (en) | ||
| JPS5849586U (en) | gate circuit | |
| JPS6390987U (en) | ||
| JPS6333382U (en) | ||
| JPS63174747U (en) | ||
| JPS6025243U (en) | Reset signal generation circuit |