PBL38621-2 Ericsson, PBL38621-2 Datasheet - Page 4

• Manufacturer Part Number: PBL38621-2
• Description: Subscriber Line Interface Circuit
• Manufacturer: Ericsson

PBL 386 21/2
Parameter
Four-wire to longitudinal balance, B
Two-wire return loss, r
TIPX idle voltage, V
RINGX idle voltage, V
V
Four-wire transmit port (VTX)
Overload level, V
On-hook, I
Output offset voltage V
Output impedance, z
Four-wire receive port (RSN)
Receive summing node (RSN) DC voltage
Receive summing node (RSN) impedance
Receive summing node (RSN)
current (I
gain,
Frequency response
Two-wire to four-wire, g
4
TR
R
E
L
L
V
Lo
C
RSN
RSN
L
< 5mA
) to metallic loop current (I
R
R
LT
LR
TXO
C
Ti
TX
Ri
2-4
TX
I
LDC
V
TR
FLE
PBL 386 21/2
TIPX
RINGX
L
)
PBL 386 21/2
TIPX
RINGX
Ref
fig
4
5
6
RSN
VTX
Conditions
0.2 kHz < f < 4.0 kHz
B
r = 20 • Log
active, I
active, I
active, I
Load impedance > 20 k ,
1% THD, Note 4
0.2 kHz < f < 3.4 kHz
I
0.2 kHz < f < 3.4 kHz
0.3 kHz < f < 3.4 kHz
relative to 0 dBm, 1.0 kHz. E
0.3 kHz < f < 3.4 kHz
f = 8.0 kHz, 12 kHz, 16 kHz
RSN
RSN
FLE
VTX
0.2 kHz < f < 1.0 kHz
1.0 kHz < f < 3.4 kHz, Note 3
= -55 A
= 20 • Log
L
L
L
= 0 mA
= 0 mA
= 0 mA
R
R
T
RX
|Z
|Z
TR
TR
E
R
R
V
RX
T
RX
+ Z
Lo
- Z
L
L
|
|
E
RX
V
TXO
RX
= 0 V
Figure 4. Metallic to longitudinal and
four-wire to longitudinal balance
R
Figure 5. Overload level, V
transmit port
R
Min
40
27
20
1.0
1.0
-100
1.15
-0.20
-1.0
1
1
C
T
C
T
= 120 k , R
= 120 k , R
<< 150 , R
<< R
L
Typ
50
35
22
- 1.1
V
V
0
15
1.25
8
200
, R
Bat
Bat
L
+2.5
+3.6
= 600
RX
RX
LT
= 60 k
= 60 k
=R
LR
Max
100
50
1.35
20
0.10
0.1
=R
L
TXO
/2 =300
, four-wire
Unit
dB
dB
dB
V
V
V
V
V
mV
V
ratio
dB
dB
Peak
Peak