JPS62178638U - - Google Patents
Info
- Publication number
- JPS62178638U JPS62178638U JP6718086U JP6718086U JPS62178638U JP S62178638 U JPS62178638 U JP S62178638U JP 6718086 U JP6718086 U JP 6718086U JP 6718086 U JP6718086 U JP 6718086U JP S62178638 U JPS62178638 U JP S62178638U
- Authority
- JP
- Japan
- Prior art keywords
- signal
- transmission line
- signal transmission
- circuit
- input signal
- 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
- 230000008054 signal transmission Effects 0.000 claims description 8
- 239000003990 capacitor Substances 0.000 claims description 2
- 239000004020 conductor Substances 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 5
- 238000006386 neutralization reaction Methods 0.000 description 1
Landscapes
- Signal Processing Not Specific To The Method Of Recording And Reproducing (AREA)
- Amplifiers (AREA)
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
Description
第１図は、本考案実施回路例を示す回路図、第
２図〜第４図は、実施回路例の動作を説明するた
めの等価回路図、第５図及び第６図は他の実施回
路例を示す回路図、第７図は、実施回路及び従来
回路の周波数対ノイズレベル特性を示す特性曲線
図、第８図及び第９図は、従来回路例を示す回路
図である。
主要部分符号の説明、１……入力信号中継回路
、２……信号伝送線路、３……出力信号中継回路
、υｎ……ノイズ源、Ｑ１，Ｑ２，Ｑ３……トラ
ンジスタ、Ｒ６，Ｃ４……中和回路を構成する抵
抗及びコンデンサ。
FIG. 1 is a circuit diagram showing an example of the circuit implementing the present invention, FIGS. 2 to 4 are equivalent circuit diagrams for explaining the operation of the example circuit, and FIGS. 5 and 6 are other circuit diagrams. FIG. 7 is a characteristic curve diagram showing the frequency versus noise level characteristics of the implemented circuit and the conventional circuit, and FIGS. 8 and 9 are circuit diagrams showing examples of the conventional circuit. Explanation of main part symbols, 1...Input signal relay circuit, 2...Signal transmission line, 3...Output signal relay circuit, υ n ...Noise source, Q1 , Q2 , Q3 ...Transistor, R6 , C 4 ...Resistor and capacitor forming the neutralization circuit.
Claims (1)
地系を有する第２信号処理装置相互間の信号伝送
をなす信号伝送線路装置であつて、信号伝送線と
前記信号伝送線をシールドするシールド導体とか
らなる信号伝送線路と、前記信号伝送線の一端に
入力信号に応じた出力信号を供給する入力信号中
継回路と、前記シールド導体の一端に直接接続さ
れる前記第２接地系を含み前記信号伝送線を経た
出力信号に応じた電圧信号を出力する出力信号中
継回路とからなり、前記入力信号中継回路は、第
１抵抗と能動素子と第２抵抗とが互いに直列接続
されかつ前記入力信号に応じた電流が流れる直列
回路と、前記入力信号の直流レベルを設定する抵
抗分圧回路と、前記直列回路に並列接続されるコ
ンデンサと、前記直列回路の一端と前記抵抗分圧
回路の一端との間に接続された第３抵抗とを有し
、前記第１もしくは前記第２抵抗の両端に生ずる
電圧を前記出力信号とするようになされているこ
とを特徴とする信号伝送線路装置。 A signal transmission line device for transmitting signals between a first signal processing device having a first grounding system and a second signal processing device having a second grounding system, the signal transmission line and a shield for shielding the signal transmission line. a signal transmission line consisting of a conductor, an input signal relay circuit that supplies an output signal according to an input signal to one end of the signal transmission line, and the second grounding system directly connected to one end of the shield conductor. The input signal relay circuit includes an output signal relay circuit that outputs a voltage signal according to the output signal transmitted through the signal transmission line, and the input signal relay circuit includes a first resistor, an active element, and a second resistor connected in series with each other, and a series circuit through which a current according to the current flows, a resistive voltage divider circuit that sets the DC level of the input signal, a capacitor connected in parallel to the series circuit, one end of the series circuit and one end of the resistive voltage divider circuit. and a third resistor connected between the first and second resistors, and the signal transmission line device is configured to use a voltage generated across the first or second resistor as the output signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6718086U JPH0633720Y2 (en) | 1986-05-01 | 1986-05-01 | Signal transmission line equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6718086U JPH0633720Y2 (en) | 1986-05-01 | 1986-05-01 | Signal transmission line equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS62178638U true JPS62178638U (en) | 1987-11-13 |
| JPH0633720Y2 JPH0633720Y2 (en) | 1994-08-31 |
Family
ID=30905852
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6718086U Expired - Lifetime JPH0633720Y2 (en) | 1986-05-01 | 1986-05-01 | Signal transmission line equipment |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0633720Y2 (en) |
-
1986
- 1986-05-01 JP JP6718086U patent/JPH0633720Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0633720Y2 (en) | 1994-08-31 |
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