參數(shù)資料
型號: STLC3055
廠商: 意法半導(dǎo)體
英文描述: WLL & ISDN-TA SUBSCRIBER LINE INTERFACE CIRCUIT
中文描述: 環(huán)路
文件頁數(shù): 16/22頁
文件大?。?/td> 153K
代理商: STLC3055
APPENDIX A
STLC3055Test Circuits
Referring to the application diagram shown in fig. 7 of the STLC3055 datasheet and using as external
components the Typ. Values specified in the ”External Components” Table (page 13) find below the
proper configurationfor eachmeasurement.
All measurements requiring DC current termination should be performedusing ”Wandel & Goltermann
DC Loop Holding CircuitGH-1” or equivalent.
TIP
RING
RX
TX
STLC3055
application
circuit
W&G GH1
Zref
E
Vs
1Kohm
1Kohm
100
μ
F
100mA
DC max
Zin = 100K
200 to 6kHz
600ohm
100
μ
F
Figure A1. 2W Return Loss
2WRL= 20Log(|Zref+ Zs|/|Zref-Zs|) = 20Log(E/2Vs)
TIP
RING
RX
TX
STLC3055
application
circuit
W&G GH1
Vrx
Vtx
100
μ
F
100
μ
F
100mA
DC max
Zin = 100K
200 to 6kHz
600ohm
Figure A2. THL Trans Hybrid Loss
THL = 20Log|Vrx/Vtx|
STLC3055
16/22
相關(guān)PDF資料
PDF描述
STLC3055Q WLL & ISDN-TA SUBSCRIBER LINE INTERFACE CIRCUIT
STLC3055QTR WLL & ISDN-TA SUBSCRIBER LINE INTERFACE CIRCUIT
STLC3065 WLL SUBSCRIBER LINE INTERFACE CIRCUIT
STLC3065QTR WLL SUBSCRIBER LINE INTERFACE CIRCUIT
STLC3065Q WLL SUBSCRIBER LINE INTERFACE CIRCUIT
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
STLC3055N 制造商:STMicroelectronics 功能描述:
STLC3055N_09 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:WLL and ISDN-TA subscriber line interface circuit
STLC3055Q 功能描述:電信線路管理 IC WLL/ISDN-A SLIC RoHS:否 制造商:STMicroelectronics 產(chǎn)品:PHY 接口類型:UART 電源電壓-最大:18 V 電源電壓-最小:8 V 電源電流:30 mA 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VFQFPN-48 封裝:Tray
STLC3055QTR 功能描述:電信線路管理 IC WLL/ISDN-A SLIC RoHS:否 制造商:STMicroelectronics 產(chǎn)品:PHY 接口類型:UART 電源電壓-最大:18 V 電源電壓-最小:8 V 電源電流:30 mA 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VFQFPN-48 封裝:Tray
STLC3065 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:WLL SUBSCRIBER LINE INTERFACE CIRCUIT