PBL 386 11/2
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
0 dBm, 1.0 kHz, Notes 5, 6
V
G
4-2
= 20 • Log
TR
,E
G
= 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, Note 7
-40 dBm to +3 dBm
-55 dBm to -40 dBm
C-message weighting
Psophometrical weighting
Note 8
-0.15
-1.0
-1.0
-0.15
-0.2
-0.3
0.15
0
0
0.15
dB
dB
dB
dB
6
-6.22
-6.02
-5.82
dB
Four-wire to two-wire, G
4-2
6
-0.2
0.2
dB
Gain tracking
Two-wire to four-wire R
LDC
≤
2kΩ
6
-0.1
-0.2
-0.1
-0.2
7
-85
0.1
0.2
0.1
0.2
12
-78
dB
dB
dB
dB
dBrnC
dBmp
Four-wire to two-wire R
LDC
≤
2kΩ
6
Noise
Idle channel noise at two-wire
(TIPX-RINGX)
Harmonic distortion
Two-wire to four-wire
Four-wire to two-wire
Battery feed characteristics
Constant loop current, I
LConst
13
6
0 dBm, 1.0 kHz test signal
0.3 kHz < f < 3.4 kHz
I
LProg
= 500
R
LC
18 < I
LProg
< 65 mA
-50
-50
dB
dB
0.92 I
LProg
I
LProg
1.08 I
LProg
mA
Figure 6.
Frequency response, insertion loss,
gain tracking.
R
L
C
TIPX
VTX
1
<< R
L
, R
L
= 600
Ω
ωC
E
L
V
TR
I
LDC
PBL 386 11/2
RINGX
RSN
R
T
E
RX
V
TX
R
T
= 120 kΩ, R
RX
= 120 kΩ
R
RX
5
ERICSSON [ ERICSSON ]
