PBL38640-2 Ericsson, PBL38640-2 Datasheet - Page 5

• Manufacturer Part Number: PBL38640-2
• Description: Subscriber Line Interface Circuit
• Manufacturer: Ericsson

Four-wire to two-wire, g
Four-wire to four-wire, g
Insertion loss
Two-wire to four-wire, G
Four-wire to two-wire, G
Gain tracking
Two-wire to four-wire
Four-wire to two-wire
Noise
Idle channel noise at two-wire
(TIPX-RINGX) or four-wire (VTX) output
Harmonic distortion
Two-wire to four-wire
Four-wire to two-wire
Battery Feed characteristics
Loop current, I
limited region, reference A, B & C
Tip open state TIPX current, I
Tip open state RINGX current, I
Tip open state RINGX voltage, V
Tip voltage (ground start)
Parameter
Figure 6.
Frequency response, insertion loss,
gain tracking.
R
1
C
T
= 120 k , R
<< R
L
, R
L
L
= 600
RX
, in the current
= 60 k
4-2
4-4
2-4
4-2
Leak
LRTo
RTo
6
6
6
6
6
6
6
13
7
7
7
7
Ref
fig
R
E
L
L
relative to 0 dBm, 1.0 kHz. E
0.3 kHz < f < 3.4 kHz
f = 8 kHz, 12 kHz,
16 kHz
relative to 0 dBm, 1.0 kHz, E
0.3 kHz < f < 3.4 kHz
0 dBm, 1.0 kHz, Note 5
G
PTG = AGND
0 dBm, 1.0 kHz, Note 6
G
Ref. -10 dBm, 1.0 kHz, Note 7
Ref. -10 dBm, 1.0 kHz,
C-message weighting
Psophometrical weighting
Note 8
0 dBm
0.3 kHz < f < 3.4 kHz
18mA
S = closed; R = 7 k , note 10
R
R
I
Active state, Tip lead open (S open),
Ring lead to ground through 150
Conditions
LRTo
LRTo
LRTo
2-4
4-2
= 20 · Log
= 20 · Log
< 23 mA
-40 dBm to + 3 dBm
-55 dBm to -40 dBm
-40 dBm to + 3 dBm
-55 dBm to -40 dBm
= 0 , V
= 2.5 k , V
V
TR
I
L
C
45 mA
Bat
V
V
V
E
= -48V
Bat
TX
TR
TR
RX
I
LDC
= -48V
; E
; E
RX
L
= 0
= 0
PBL 386 40/2
TIPX
RINGX
L
L
=0 V
=0 V
RSN
VTX
-0.2
-1.0
-2.0
-0.2
-0.2
-6.22
-0.2
-0.1
-0.2
-0.1
-0.2
-4
Min
0.92 I
L
-2.2
Typ
-6.02
-67
-67
I
I
17
V
R
L
L
R
Bat
T
RX
+ 6
PBL 386 40/2
0.1
0
0
0.1
0.2
-5.82
0.2
0.1
0.2
0.1
0.2
12
-78
-50
-50
1.08 I
-100
Max
E
L
RX
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dBrnC
dBmp
dB
dB
mA
mA
mA
V
V
Unit
A
V
TX
5