pbl386102qnt ETC-unknow, pbl386102qnt Datasheet - Page 4

• Manufacturer Part Number: pbl386102qnt
• Description: Subscriber Line Interface Circuit
• Manufacturer: ETC-unknow

PBL 386 10/2
4
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
Off-hook, I
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
TR
V
|
R
E
Lo
C
L
L
RSN
RSN
LDC
LDC
) to metallic loop current (I
R
R
10 mA
5 mA
LT
LR
TXO
Ti
C
TX
Ri
2-4
TX
I
LDC
V
TR
FLE
PBL 386 10/2
TIPX
RINGX
L
)
PBL 386 10/2
TIPX
RINGX
fig
4
5
6
Ref
RSN
VTX
Conditions
active state
B
0.2 kHz < f < 3.4 kHz
r = 20 • Log
0.2 kHz < f < 0.5 kHz
0.5 kHz < f < 1.0 kHz
1.0 kHz < f < 3.4 kHz, Note 3
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
VTX
FLE
= 0 mA
= 20 • Log
L
L
L
= 0
= 0
= 0
R
R
T
RX
|Z
|Z
R
R
TR
TR
E
V
T
RX
RX
Lo
+ Z
- Z
L
L
|
|
E
V
RX
TXO
RX
= 0 V
Min
40
25
27
23
|V
1.25
0.7
-60
-0.15
-0.5
Figure 4. Metallic to longitudinal and
four-wire to longitudinal balance
R
Figure 5. Overload level, V
transmit port
R
1
Bat
1
C
T
C
T
= 120 k , R
= 120 k , R
+4.5| |V
<< 150 , R
<< R
Typ
58
- 1.2
V
5
GND +25
10
400
-0.1
L
Bat
, R
Bat
+ 2.4
L
+3.6|
RX
= 600
RX
LT
= 120 k
= 120 k
= R
Max
60
20
50
0.15
0
LR
= R
TXO
L
, four-wire
/2 =300
Unit
dB
dB
dB
dB
V
V
V
V
mV
mV
dB
dB
V
ratio
Peak
Peak