JPS59125154U - Transmission/reception circuit - Google Patents
Transmission/reception circuitInfo
- Publication number
- JPS59125154U JPS59125154U JP1897983U JP1897983U JPS59125154U JP S59125154 U JPS59125154 U JP S59125154U JP 1897983 U JP1897983 U JP 1897983U JP 1897983 U JP1897983 U JP 1897983U JP S59125154 U JPS59125154 U JP S59125154U
- Authority
- JP
- Japan
- Prior art keywords
- signal
- transmission
- input terminal
- transmitting
- amplifier
- 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
Landscapes
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (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図は本考案の一実施例を示すブロック図である
。
１・・・送信信号の入力端子、２・・・受信信号の出力
端子、３・・・同相増幅器、４・・・差動増幅器、５・
・・終端抵抗、６・・・一対の導線（伝送路）、７・・
・送信信号出力端子兼受信信号入力端子、８・・・非反
転入力端子、９・・・反転入力端子。゛ Fig. 1 is a block diagram showing one embodiment of the present invention. DESCRIPTION OF SYMBOLS 1... Input terminal for transmitting signal, 2... Output terminal for receiving signal, 3... Common mode amplifier, 4... Differential amplifier, 5...
・Terminal resistor, 6... Pair of conducting wires (transmission line), 7...
- Transmission signal output terminal and reception signal input terminal, 8... non-inverting input terminal, 9... inverting input terminal.
Claims (1)
に行なうための送・受信回路において、送信信号の入力
端子と、該入力端子からの前記送信信号を増幅するため
の同相増幅器と、前記伝送路の終端抵抗器と、該終端抵
抗器の端子間に生じる、前記同相増幅器からの送信信号
と対向加入者からの受信信号との合成信号から、前記入
力端子からの送信信号の減算する差動増幅器とを含み、
該差動増幅器の出力信号を受信信号とする送・受信回路
。A transmitting/receiving circuit for simultaneously transmitting and receiving electrical signals using a pair of conductive wires as a transmission path, comprising: an input terminal for a transmitted signal; an in-phase amplifier for amplifying the transmitted signal from the input terminal; A difference of the transmission signal from the input terminal to be subtracted from a composite signal of the transmission signal from the in-phase amplifier and the reception signal from the opposite subscriber, which is generated between a terminating resistor of the transmission line and the terminal of the terminating resistor. a dynamic amplifier;
A transmitting/receiving circuit that uses the output signal of the differential amplifier as a received signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1897983U JPS59125154U (en) | 1983-02-14 | 1983-02-14 | Transmission/reception circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1897983U JPS59125154U (en) | 1983-02-14 | 1983-02-14 | Transmission/reception circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS59125154U true JPS59125154U (en) | 1984-08-23 |
Family
ID=30150137
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1897983U Pending JPS59125154U (en) | 1983-02-14 | 1983-02-14 | Transmission/reception circuit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59125154U (en) |
-
1983
- 1983-02-14 JP JP1897983U patent/JPS59125154U/en active Pending
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