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参数资料
| 型号： | PBL386502QNT |
| 厂商： | ERICSSON |
| 英文描述： | Subscriber Line Interface Circuit |
| 中文描述： | 用户线接口电路 |
| 文件页数： | 4/16页 |
| 文件大小： | 141K |
| 代理商： | PBL386502QNT |
PBL 386 50/2
4
Parameter
fig
Conditions
Min
Typ
Max
Unit
Four-wire to longitudinal balance, B
FLE
4
0.2 kHz < f < 3.4 kHz
40
50
dB
E
RX
V
Lo
B
FLE
= 20 · Log
Two-wire return loss, r
|Z
TR
+ Z
L
|
|Z
TR
- Z
L
|
r = 20 · Log
0.2 kHz < f < 1.0 kHz
1.0 kHz < f < 3.4 kHz, Note 3
active, I
L
<5 mA
active, I
<5 mA
tip open, I
<5 mA
active, I
L
<5 mA
27
20
35
22
- 1.3
V
Bat
+3.0
V
Bat
+3.0
V
Bat
+4.3
dB
dB
V
V
V
V
TIPX idle voltage, V
RINGX idle voltage, V
Ri
V
TR
Four-wire transmit port
(VTX)
Overhead voltage, V
TXO
, I
L
> 18mA
5
Load impedance > 20 k
,
1% THD, Note 4
1.35
V
Peak
On-hook, I
< 5mA
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
0.55
-100
V
mV
0
15
100
50
0.2 kHz < f < 3.4 kHz
I
= -155
μ
A
0.2 kHz < f < 3.4 kHz
0.3 kHz < f < 3.4 kHz
1.15
1.25
8
1.35
20
V
200
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
-0.20
-1.0
0.10
0.1
dB
dB
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
= 60 k
, R
RX
= 60 k
Figure 5. Overhead voltage, V
TXO
, four-
wire transmit port
1
<< R
L
, R
L
= 600
ω
C
R
T
= 60 k
, R
RX
= 60 k
Ref
PBL 386 50/2
TIPX
RINGX
RSN
VTX
R
T
R
RX
E
RX
R
LT
C
V
TR
R
LR
V
Lo
PBL 386 50/2
TIPX
RINGX
RSN
VTX
R
T
R
RX
R
L
I
LDC
C
E
L
V
TXO
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PDF描述 |
|---|---|
| PBL38650-2 | TERMINAL |
| PBL386502SHT | Subscriber Line Interface Circuit |
| PBL386502SOS | Subscriber Line Interface Circuit |
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相关代理商/技术参数 |
参数描述 |
|---|---|
| PBL386502QNTNT | 制造商:Infineon Technologies AG 功能描述:POTS |
| PBL386502SHT | 制造商:ERICSSON 制造商全称:Ericsson 功能描述:Subscriber Line Interface Circuit |
| PBL386502SOS | 制造商:ERICSSON 制造商全称:Ericsson 功能描述:Subscriber Line Interface Circuit |
| PBL386502SOT | 制造商:ERICSSON 制造商全称:Ericsson 功能描述:Subscriber Line Interface Circuit |
| PBL386502SOTR2A | 制造商:Rochester Electronics LLC 功能描述:- Tape and Reel |
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