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參數(shù)資料
| 型號(hào)： | AM79574 |
| 廠商： | Advanced Micro Devices, Inc. |
| 英文描述： | Subscriber Line Interface Circuit |
| 中文描述： | 用戶線接口電路 |
| 文件頁數(shù)： | 14/17頁 |
| 文件大?。?/td> | 162K |
| 代理商： | AM79574 |
14
Am79574 Data Sheet
TEST CIRCUITS
VTX
RSN
AGND
R
T
R
RX
V
L
V
AB
V
AB
R
L
RSN
AGND
VTX
V
RX
R
RX
I
L2-4
=
–
20 log (V
TX
/ V
AB
)
A. Two- to Four-Wire Insertion Loss
I
L4-2
=
–
20 log (V
AB
/ V
RX
)
BRS = 20 log (V
TX
/ V
RX
)
B. Four- to Two-Wire Insertion Loss and Balance Return Signal
VTX
RSN
AGND
R
T
R
RX
V
RX
S2 Open, S1 Closed:
L-T Long. Bal. = 20 log (V
AB
/ V
L
)
L-4 Long. Bal. = 20 log (V
TX
/ V
L
)
SLIC
SLIC
SLIC
SLIC
R
L
2
B(RING)
A(TIP)
B(RING)
A(TIP)
V
L
S1
B(RING)
A(TIP)
S2
1/
ω
C << R
L
C
S2 Closed, S1 Open:
4-L Long. Sig. Gen. = 20 log (V
L
/V
RX
)
C. Longitudinal Balance
R
R
V
M
Z
IN
900
V
S
R
T
R
RX
B(RING)
A(TIP)
RSN
AGND
VTX
D. Two-Wire Return Loss Test Circuit
Note:
Z
D
is the desired impedance (e.g., the
characteristic impedance of the line).
R
L
=
–
20 log (2 V
M
/ V
S
)
R
T
IDC
R
L
2
V
L
R
L
2
R
L
2
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| AM79574-1JC | 制造商:AMD 制造商全稱:Advanced Micro Devices 功能描述:Subscriber Line Interface Circuit |
| AM79574-2JC | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Telecommunication IC |
| AM79574JC | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Subscriber Line Interface Circuit |
| AM79578-1JC | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Telecommunication IC |
| AM79578-2JC | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Telecommunication IC |
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