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參數(shù)資料
| 型號(hào)： | LUCL9312AP-DT |
| 英文描述： | PLCC-Socket-Adapter 32-pin DIL to 32-pin PLCC for 8-Bit EPROMs |
| 中文描述： | 線路接口和線路接入電路轉(zhuǎn)發(fā)電池SLIC和振鈴繼電器的訓(xùn)練班- 57應(yīng)用 |
| 文件頁數(shù)： | 35/40頁 |
| 文件大小： | 709K |
| 代理商： | LUCL9312AP-DT |
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Data Sheet
July 2001
Forward Battery SLIC and Ringing Relay for TR-57 Applications
L9312 Line Interface and Line Access Circuit
Agere Systems Inc.
35
ac Applications
(continued)
First-Generation Codec ac Interface Network: Resistive Termination
(continued)
Example 1, Real Termination
The following design equations refer to the circuit in Figure 14. Use these to synthesize real termination imped-
ance.
Termination Impedance:
Z
T
=
Receive Gain:
Transmit Gain:
Hybrid Balance:
h
bal
= 20 log
h
bal
= 20 log
To optimize the hybrid balance, the sum of the currents at the VFX input of the codec op amp should be set to 0.
The expression for ZHB becomes:
I
T/R
–
------------
Z
T
76
2
+
R
P
R
GP
1
--------
R
RCV
-----------
+
+
-----------------------------------
+
=
g
rcv
V
FR
-----------
=
g
rcv
1
R
T3
-----------
R
GP
-----------
+
+
1
Z
T/R
--------
+
------------------------------------------------------------------
=
g
tx
V
T/R
----------
=
g
tx
X
R
T6
--------
Z
T/R
--------
×
=
R
HB1
--------------
g
tx
–
g
rcv
×
V
FR
--------------
R
HB
k
(
)
×
g
tx
g
rcv
-------------------
=
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相關(guān)代理商/技術(shù)參數(shù) |
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|---|---|
| LUCL9312GP-D | 制造商:AGERE 制造商全稱:AGERE 功能描述:Line Interface and Line Access Circuit Forward Battery SLIC and Ringing Relay for TR-57 Applications |
| LUCL9312GP-DT | 制造商:AGERE 制造商全稱:AGERE 功能描述:Line Interface and Line Access Circuit Forward Battery SLIC and Ringing Relay for TR-57 Applications |
| LUCL9313AP-D | 制造商:AGERE 制造商全稱:AGERE 功能描述:Line Interface and Line Access Circuit Full-Feature SLIC and Ringing for TR-57 Applications |
| LUCL9313AP-DT | 制造商:AGERE 制造商全稱:AGERE 功能描述:Line Interface and Line Access Circuit Full-Feature SLIC and Ringing for TR-57 Applications |
| LUCL9313GP-D | 制造商:AGERE 制造商全稱:AGERE 功能描述:Line Interface and Line Access Circuit Full-Feature SLIC and Ringing for TR-57 Applications |
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