PBL 386 20/2
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
-0.2
-1.0
-2.0
-0.2
0.1
0
0
0.1
dB
dB
dB
dB
0 dBm, 1.0 kHz, Note 5
V
G
2-4
= 20 · Log
TX
; E
RX
= 0
V
TR
PTG = AGND
6
0 dBm, 1.0 kHz, Note 6
V
G
4-2
= 20 · Log
TR
; E
L
= 0
E
RX
6
Ref. -10 dBm, 1.0 kHz, Note 7
-40 dBm to + 0 dBm
-55 dBm to -40 dBm
Ref. -10 dBm
-40 dBm to + 0 dBm
-55 dBm to -40 dBm
C-message weighting
Psophometrical weighting
Note 8
6
0 dBm
0.3 kHz < f < 3.4 kHz
I
LProg
= 1 000 - 4.0 (mA)
R
LC
I
LProg
= 1 000 - 4.2 (mA)
R
LC
I
LProg
= 1 000 - 3.9 (mA)
R
LC
R
LC
in kΩ
R
L
= 0Ω
6
-0.2
-6.22
-0.2
-6.02
0.2
-5.82
0.2
dB
dB
dB
Four-wire to two-wire, G
4-2
Gain tracking
Two-wire to four-wire
-0.1
-0.2
-0.1
-0.2
0.1
0.2
0.1
0.2
12
-78
dB
dB
dB
dB
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
Constant loop current, I
LProg
I
LProg
@ 30 mA
I
LProg
@ 18 mA
Open circuit state loop current, I
LOC
12
12
12
-67
-67
-50
-50
dB
dB
0.92 I
LProg
I
LProg
0.95 I
LProg
I
LProg
0.94 I
LProg
I
LProg
-100
0
1.08 I
LProg
mA
1.05 I
LProg
mA
1.06 I
LProg
mA
100
µA
C
Figure 6.
Frequency response, insertion loss,
gain tracking.
1
ωC
<< R
L
, R
L
= 600
Ω
TIPX
VTX
R
L
V
TR
E
L
I
LDC
PBL 386 20/2
RINGX
RSN
R
T
E
RX
V
TX
R
RX
R
T
= 120 kΩ, R
RX
= 60 kΩ
5
ERICSSON [ ERICSSON ]
