PBL38665-2 查看數據表（PDF） - Ericsson
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PBL38665-2 Datasheet PDF : 18 Pages
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Preliminary
PBL 386 65/2
Parameter
Four-wire to two-wire, g4-2
Four-wire to four-wire, g4-4
Insertion loss
Two-wire to four-wire, G2-4
Four-wire to two-wire, G4-2
Gain tracking
Two-wire to four-wire RLDC≤ 2kΩ
Four-wire to two-wire RLDC≤ 2kΩ
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, ILconst
Tip open state TIPX current, ILeak
Tip open state RINGX current, ILRTO
Tip open state RINGX voltage, VRTO
Tip voltage (ground start)
Tip voltage (ground start)
Open circuit state loop current, ILOC
Figure 6.
Frequency response, insertion loss,
gain tracking.
1
ωC
<< RL, RL = 600 Ω
RT = 120 kΩ, RRX = 120 kΩ
Ref
fig Conditions
Min
Typ
6 relative to 0 dBm, 1.0 kHz. EL = 0 V
0.3 kHz < f < 3.4 kHz
-0.15
f = 8 kHz, 12 kHz,
-1.0
-0.2
16 kHz
-1.0
-0.3
6 relative to 0 dBm, 1.0 kHz. EL = 0 V
0.3 kHz < f < 3.4 kHz
-0.15
Max
Unit
0.15
dB
0
dB
0
dB
0.15
dB
6 0 dBm, 1.0 kHz, Note 5
G2-4 = 20 • Log
VTX
VTR
,ERX = 0
6 0 dBm, 1.0 kHz, Notes 5, 6
G4-2 = 20 • Log
VTR
ERX
,EL = 0
6 Ref. -10 dBm, 1.0 kHz, Note 7
-40 dBm to +3 dBm
-55 dBm to -40 dBm
6 Ref. -10 dBm, 1.0 kHz, Note 7
-40 dBm to +3 dBm
-55 dBm to -40 dBm
-6.22 -6.02 -5.82 dB
-0.2
0.2
dB
-0.1
0.1
dB
-0.2
0.2
dB
-0.1
0.1
dB
-0.2
0.2
dB
C-message weighting
Psophometrical weighting
Note 8
7
12
dBrnC
-83
-78
dBmp
6 0 dBm, 1.0 kHz test signal
0.3 kHz < f < 3.4 kHz
-50
dB
-50
dB
15 ILProg = 500
RLC
18 < ILProg < 65 mA
7 S = closed; R = 7 kΩ
0.92 ILProg ILProg
1.08 ILProg mA
-100
µA
7
RLRTO = 0Ω, VBat = -48V
IL
mA
RLRTO = 2.5 kΩ, VBat = -48V
17
mA
7
ILRTO < 23 mA
VBat+ 5.8
V
7 Active state, Tip lead open (S open), -4
-2.5
-
V
Ring lead to ground through 150 Ω
7 Active state, tip lead to -48 V
-6
-3.1
-
V
through 7 kΩ (S closed), Ring
lead to ground through 150 Ω
RL = 0Ω
-100
0
100
µA
C
TIPX
VTX
RL
VTR
ILDC
PBL 386 65/2
RT
EL
RINGX
RSN
RRX
E RX
VTX
5
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