STLC3080 View Datasheet(PDF) - STMicroelectronics
Part Name
Description
MFG CO.
'STLC3080' PDF : 23 Pages View PDF
STLC3080
APPENDIX C
STLC3080 Test Circuits referring to the applica-
tion diagram shown in figure 4 and using as exter-
nal components the typ. values specified in the
”External Components”, find below the proper
configuration for each measurement.
Figure C1. Receive Gain.
Figure C2. THL Trans Hybrid Loss.
TIP
TX
300
STLC 3080
Vl
test circuit
Rp
TIP
TX
300
STLC 3080
Vtx
VL
test circuit
300
300
RING
RX
Vrx
RING
RX
Rp
Vrx
G42 = 20log (Vl / Vrx )
THL = 20log (Vrx /Vtx )
Figure C3. T/L Transversal to Longitudinal
Conversion
Figure C4. Transmit Gain.
Rp
TIP
TX
300
STLC 3080
Vl
test circuit
Vtl
300
RING
RX
Vrx
T/L = 20log (Vl / Vtl )
6 00
TIP
TX
STLC 3080
Vtx
E
test circuit
RING
RX
G24 = 20log (2Vtx / E )
Figure C5. L/T Longitudinal to transversal
Conversion.
300
10uF
E
300
Vac
TIP
TX
STLC 3080
test circuit
RING
RX
L/T = 20log ( E / Vac )
18/23
Figure C6. 2W Return Loss.
1000
E
1000
600
Vs
TIP
TX
STLC 3080
test circuit
RING
RX
2WRL = 20log ( E / 2Vs )
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