L3030 STMicroelectronics, L3030 Datasheet - Page 23

• Manufacturer Part Number: L3030
• Description: SUBSCRIBER LINE INTERFACE KIT
• Manufacturer: STMicroelectronics

SLIC TEST CIRCUITS
Referring to the test circuit reported at the end of each SLIC data sheet here below you can find the proper
configuration for each measurement.
In particular : A-B : Line terminals
TEST CIRCUITS
Figure 1 : Symmetry to Ground.
Figure 3 : Trans-hybrid Loss.
THL
20
log
10
|V
|V
R
S
|
|
C : TX sending output on 4W side
D : RX receiving input on 4W side
E : TTX teletaxe signal input
R
GIN
: low level ringing signal input.
APPENDIX
Figure 4 : SendingGain.
Figure 2 : 2W Return Loss.
R
G
WC
1
L
S
20 log
20 log
Z
10
|
|Z
Z
L
L
|V
|V
SO
R
Z|
Z
|
|
|
20
log
|2 V
|E|
S
|
L3000S - L3030
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