PBL 386 40/2
Ref
fig
Parameter
Conditions
Min
Typ
Max
Unit
Four-wire to two-wire, g4-2
6
relative to 0 dBm, 1.0 kHz. EL=0 V
0.3 kHz < f < 3.4 kHz
f = 8 kHz, 12 kHz,
-0.2
-1.0
-2.0
0.1
0
0
dB
dB
dB
16 kHz
Four-wire to four-wire, g4-4
6
6
relative to 0 dBm, 1.0 kHz, EL =0 V
0.3 kHz < f < 3.4 kHz
-0.2
0.1
dB
Insertion loss
Two-wire to four-wire, G2-4
0 dBm, 1.0 kHz, Note 5
VTX
G2-4 = 20 · Log
; ERX = 0
-0.2
0.2
dB
dB
VTR
PTG = AGND
-6.22
-6.02
-5.82
Four-wire to two-wire, G4-2
6
0 dBm, 1.0 kHz, Note 6
VTR
G4-2 = 20 · Log
; EL = 0
-0.2
0.2
dB
ERX
Gain tracking
Two-wire to four-wire
6
6
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
-0.1
-0.2
0.1
0.2
dB
dB
Four-wire to two-wire
-0.1
-0.2
0.1
0.2
dB
dB
-55 dBm to -40 dBm
Noise
Idle channel noise at two-wire
(TIPX-RINGX) or four-wire (VTX) output
C-message weighting
Psophometrical weighting
Note 8
12
-78
dBrnC
dBmp
Harmonic distortion
Two-wire to four-wire
Four-wire to two-wire
6
0 dBm
0.3 kHz < f < 3.4 kHz
-67
-67
-50
-50
dB
dB
Battery Feed characteristics
Loop current, IL , in the current
limited region, reference A, B & C
Tip open state TIPX current, ILeak
13
18mA ≤ IL ≤ 45 mA
S = closed; R = 7 kΩ, note 10
0.92 IL
IL
1.08 IL
-100
mA
µA
7
7
Tip open state RINGX current, ILRTo
RLRTo = 0Ω, VBat = -48V
RLRTo = 2.5 kΩ, VBat = -48V
ILRTo < 23 mA
IL
mA
mA
17
Tip open state RINGX voltage, VRTo
Tip voltage (ground start)
7
7
VBat + 6
-2.2
V
V
Active state, Tip lead open (S open), -4
Ring lead to ground through 150 Ω
C
TIPX
VTX
Figure 6.
RL
Frequency response, insertion loss,
gain tracking.
VTR
ILDC
RT
PBL 386 40/2
VTX
ERX
1
EL
RINGX
RSN
<< RL, RL = 600 Ω
RRX
ωC
RT = 120 kΩ, RRX = 60 kΩ
5
ERICSSON [ ERICSSON ]
