PBL38661-2 Datasheet, PDF (5/18 Pages) Ericsson – Subscriber Line Interface Circuit

Parameter
Four-wire to two-wire, g_4-2
Four-wire to four-wire, g_4-4
Insertion loss
Two-wire to four-wire, G_2-4
Four-wire to two-wire, G_4-2
Gain tracking
Two-wire to four-wire R_LDC≤ 2kΩ
Four-wire to two-wire R_LDC≤ 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, I_LConst
Preliminary
PBL 386 61/2
Ref
fig Conditions
Min
Typ
6 relative to 0 dBm, 1.0 kHz. E_L = 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. E_L = 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
G_2-4 = 20 • Log
V_TX
V_TR
,E_RX = 0
6 0 dBm, 1.0 kHz, Notes 5, 6
G_4-2 = 20 • Log
V_TR
E_RX
,E_L = 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
-85
-78
dBmp
6 0 dBm, 1.0 kHz test signal
0.3 kHz < f < 3.4 kHz
-50
dB
-50
dB
12
I_LProg
=
500
R_LC
18 < I_LProg < 65 mA
0.92 I_LProg I_LProg
1.08 I_LProg mA
Figure 6.
Frequency response, insertion loss,
gain tracking.
1
ωC
<< R_L, R_L = 600 Ω
R_T = 120 kΩ, R_RX = 120 kΩ
C
TIPX
VTX
R_L
V_TR
I_LDC
PBL 386 61/2
R_T
E_L
RINGX RSN
R_RX
E _RX
V_TX
5