參數(shù)資料
型號(hào): STLC3065
廠商: 意法半導(dǎo)體
英文描述: WLL SUBSCRIBER LINE INTERFACE CIRCUIT
中文描述: 環(huán)路用戶線路接口電路
文件頁(yè)數(shù): 19/27頁(yè)
文件大?。?/td> 194K
代理商: STLC3065
APPENDIX A
STLC3065Test Circuits
Referring to the application diagram shown in fig. 8 of the STLC3065 datasheet and using as external
components the Typ. Values specified in the ”External Components” Table (page 16) find below the
proper configurationfor eachmeasurement.
All measurements requiring DC current termination should be performedusing ”Wandel & Goltermann
DC Loop Holding CircuitGH-1” or equivalent.
TIP1/TIP2
RING1/RING2
RX
TX
STLC3065
application
circuit
W&GGH1
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)
TIP1/TIP2
RING1/RING2
RX
TX
STLC3065
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|
STLC3065
19/27
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