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參數(shù)資料
| 型號(hào)： | PBL386652 |
| 廠商： | ERICSSON |
| 英文描述： | Subscriber Line Interface Circuit |
| 中文描述： | 用戶(hù)線(xiàn)接口電路 |
| 文件頁(yè)數(shù)： | 4/18頁(yè) |
| 文件大小： | 184K |
| 代理商： | PBL386652 |
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PBL 386 65/2
4
Preliminary
Parameter
fig
Conditions
Min
Typ
Max
Unit
Four-wire to longitudinal balance, B
FLE
4
Active state
E
RX
B
FLE
= 20 Log
V
Lo
0.2 kHz < f < 3.4 kHz
|Z
TR
+ Z
L
|
r = 20 Log
|Z
TR
- Z
L
|
40
dB
Two-wire return loss, r
0.2 kHz < f < 0.5 kHz
0.5 kHz < f < 1.0 kHz
1.0 kHz < f < 3.4 kHz, Note 3
active, I
L
< 5 mA
active, I
L
< 5 mA
tip open, I
L
< 5 mA
active, I
L
< 5 mA
25
27
23
dB
dB
dB
V
V
V
V
TIPX idle voltage, V
Ti
RINGX idle voltage, V
Ri
RINGX idle voltage, V
Ri
V
TR
- 1.5
V
Bat
+
2.7
V
Bat
+
3.0
V
Bat
+4.2
Four-wire transmit port
(VTX)
Overload level, V
TXO
, I
L
≥
10 mA
On hook I
L
≤
5 mA
Output offset voltage,
V
TX
Output impedance, z
TX
Four-wire receive port
(RSN)
Receive summing node (RSN) dc voltage
Receive summing node (RSN) impedance
Receive summing node (RSN)
current (I
RSN
) to metallic loop current (I
L
)
gain,
α
RSN
5
Load impedance > 20 k
,
1% THD, Note 4
1.55
0.7
-60
V
Peak
V
Peak
mV
60
20
0.2 kHz < f < 3.4 kHz
5
I
RSN
= 0 mA
0.2 kHz < f < 3.4 kHz
0.3 kHz < f < 3.4 kHz
-25
GND
10
+25
50
mV
400
ratio
Frequency response
Two-wire to four-wire, g
2-4
6
relative to 0 dBm, 1.0 kHz. E
RX
= 0 V
0.3 kHz < f < 3.4 kHz
f = 8.0 kHz, 12 kHz, 16 kHz
-0.15
-0.5
0.15
+0.1
dB
dB
0
Figure 4. Metallic to longitudinal and
four-wire to longitudinal balance
1
<< 150
, R
LT
= R
LR
= R
L
/2
=300
ω
C
R
T
= 120 k
, R
RX
= 120 k
Figure 5. Overload level, V
TXO
, four-wire
transmit port
1
<< R
L
, R
L
= 600
ω
C
R
T
= 120 k
, R
RX
= 120 k
Ref
PBL 386 65/2
TIPX
RINGX
RSN
VTX
R
T
R
RX
E
RX
R
LT
C
V
TR
R
LR
V
Lo
PBL 386 65/2
TIPX
RINGX
RSN
V
TX
R
T
R
RX
R
L
I
LDC
C
E
L
V
TXO
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相關(guān)代理商/技術(shù)參數(shù) |
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|---|---|
| PBL38665-2 | 制造商:ERICSSON 制造商全稱(chēng):Ericsson 功能描述:Subscriber Line Interface Circuit |
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| PBL386652QNT | 制造商:ERICSSON 制造商全稱(chēng):Ericsson 功能描述:Subscriber Line Interface Circuit |
| PBL386652SHT | 制造商:ERICSSON 制造商全稱(chēng):Ericsson 功能描述:Subscriber Line Interface Circuit |
| PBL38780/1QSD | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
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