L3030 STMicroelectronics, L3030 Datasheet - Page 23
L3030
Manufacturer Part Number
L3030
Description
SUBSCRIBER LINE INTERFACE KIT
Manufacturer
STMicroelectronics
Datasheet
1.L3030.pdf
(29 pages)
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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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