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參數(shù)資料
| 型號： | PBL386612 |
| 廠商： | ERICSSON |
| 英文描述： | Subscriber Line Interface Circuit |
| 中文描述： | 用戶線接口電路 |
| 文件頁數(shù)： | 5/18頁 |
| 文件大?。?/td> | 115K |
| 代理商： | PBL386612 |
PBL 386 61/2
5
Preliminary
Four-wire to two-wire, g
4-2
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
-0.15
-1.0
-1.0
0.15
0
0
dB
dB
dB
-0.2
-0.3
Four-wire to four-wire, g
4-4
6
-0.15
0.15
dB
Insertion loss
Two-wire to four-wire, G
2-4
6
0 dBm, 1.0 kHz, Note 5
V
TX
V
TR
G
2-4
= 20 Log
,E
RX
= 0
-6.22
-6.02
-5.82
dB
Four-wire to two-wire, G
4-2
6
0 dBm, 1.0 kHz, Notes 5, 6
V
TR
E
RX
G
4-2
= 20 Log
,E
L
= 0
-0.2
0.2
dB
Gain tracking
Two-wire to four-wire R
LDC
≤
2k
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, Note 7
-40 dBm to +3 dBm
-55 dBm to -40 dBm
-0.1
-0.2
0.1
0.2
dB
dB
Four-wire to two-wire R
LDC
≤
2k
6
-0.1
-0.2
0.1
0.2
dB
dB
Noise
Idle channel noise at two-wire
(TIPX-RINGX)
C-message weighting
Psophometrical weighting
Note 8
7
-85
12
-78
dBrnC
dBmp
Harmonic distortion
Two-wire to four-wire
Four-wire to two-wire
6
0 dBm, 1.0 kHz test signal
0.3 kHz < f < 3.4 kHz
-50
-50
dB
dB
Battery feed characteristics
Constant loop current, I
LConst
12
I
= 500
R
LC
18 < I
LProg
< 65 mA
0.92 I
LProg
I
LProg
1.08 I
LProg
mA
Ref
fig
Parameter
Conditions
Min
Typ
Max
Unit
Figure 6.
Frequency response, insertion loss,
gain tracking.
1
<< R
L
, R
L
= 600
ω
C
R
T
= 120 k
, R
RX
= 120 k
PBL 386 61/2
TIPX
RINGX
RSN
VTX
R
T
R
RX
E
RX
R
L
V
TR
I
LDC
C
E
L
V
TX
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