PBL 386 50/2
Ref
fig
Parameter
Conditions
Min
Typ
Max
Unit
Four-wire to two-wire, g
4-2
6
Four-wire to four-wire, g
4-4
Insertion loss
Two-wire to four-wire, G
2-4
6
relative to 0 dBm, 1.0 kHz. E
L
=0 V
0.3 kHz < f < 3.4 kHz
f = 8 kHz, 12 kHz,
16 kHz
relative to 0 dBm, 1.0 kHz, E
L
=0 V
0.3 kHz < f < 3.4 kHz
0 dBm, 1.0 kHz, Note 5
V
G
2-4
= 20 · Log
TX
; E
RX
= 0
V
TR
PTG = AGND
0 dBm, 1.0 kHz, Note 6
V
G
4-2
= 20 · Log
TR
; E
L
= 0
E
RX
Ref. -10 dBm, 1.0 kHz, Note 7
-40 dBm to +3 dBm
-55 dBm to -40 dBm
Ref. -10 dBm, 1.0 kHz,
-40 dBm to +3 dBm
-55 dBm to -40 dBm
C-message weighting, 2 wire
Psophometrical weighting, 2 wire
C-message weighting, 4 wire
Psophometrical weighting, 4 wire
Note 8
-0.2
-1.0
-2.0
-0.2
0.1
0
0
0.1
dB
dB
dB
dB
6
-6.22
-12.24
-0.2
-6.02
-12.04
-5.82
-11.84
0.2
dB
dB
dB
Four-wire to two-wire, G
4-2
6
Gain tracking
Two-wire to four-wire
6
-0.1
-0.2
-0.1
-0.2
0.1
0.2
0.1
0.2
12
-78
6
-84
dB
dB
dB
dB
dBrnC
dBmp
dBrnC
dBmp
Four-wire to two-wire
6
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
L
, in the current
limited region, reference A, B & C
Tip open state TIPX current, I
Leak
Tip open state RINGX current, I
LRTo
Tip open state RINGX voltage, V
RTo
6
0 dBm
0.3 kHz < f < 3.4 kHz
-67
-67
-50
-50
dB
dB
13
7
18mA
≤
I
L
≤
45 mA
S = closed; R = 7 kΩ, Note 10
R
LRTo
= 0Ω, V
Bat
= -48V
R
LRTo
= 2.5 kΩ, V
Bat
= -48V
I
LRTo
< 23 mA
0.92 I
L
I
L
1.08 I
L
-150
mA
µA
mA
mA
V
I
L
17
V
Bat
+6
Figure 6.
Frequency response, insertion loss,
gain tracking.
1
<< R
L
, R
L
= 600
Ω
ωC
R
T
= 60 kΩ, R
RX
= 60 kΩ
C
TIPX
VTX
R
L
V
TR
E
L
I
LDC
PBL 386 50/2
RINGX
RSN
R
T
E
RX
V
TX
R
RX
5
ERICSSON [ ERICSSON ]
