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參數(shù)資料
| 型號(hào)： | LUCL9214AAJ-DT |
| 元件分類(lèi)： | 圓形連接器 |
| 英文描述： | Circular Connector; MIL SPEC:MIL-C-5015; Body Material:Metal; Series:GT; No. of Contacts:2; Connector Shell Size:24; Connecting Termination:Solder; Circular Shell Style:Square Flange Receptacle; Body Style:Straight |
| 中文描述： | 低成本振鈴用戶(hù)接口 |
| 文件頁(yè)數(shù)： | 31/46頁(yè) |
| 文件大小： | 790K |
| 代理商： | LUCL9214AAJ-DT |
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Preliminary Data Sheet
October 2001
Low-Cost Ringing SLIC
L9214A/G
Agere Systems Inc.
31
ac Applications
(continued)
Design Examples
(continued)
Example 1, Real Termination
The following design equations refer to the circuit in
Figure 13. Use these to synthesize real termination
impedance.
Termination Impedance:
z
T
=
Receive Gain:
I
T/R
–
----------------------------------
+
------------
z
T
36
2
+
R
P
R
GP
1
--------
R
RCV
-----------
+
+
=
g
rcv
V
FR
-----------
=
g
rcv
1
R
T1
-----------
R
GP
-----------
+
+
1
Z
T/R
--------
+
------------------------------------------------------------------
=
Transmit Gain:
Hybrid Balance:
h
bal
= 20log
h
bal
= 20log
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 the following:
g
tx
V
T/R
----------
=
g
tx
X
R
T2
--------
Z
T/R
--------
×
=
R
HB
-----------
g
tx
–
g
rcv
×
V
FR
--------------
R
HB
k
(
)
×
g
tx
g
rcv
-------------------
=
12-3569 (F)
Figure 13. ac Equivalent Circuit
R
P
Z
T
+
–
R
P
V
T/R
I
T/R
V
S
Z
T/R
+
–
RING
A
V
=
–
1
A
V
= 1
VITR
CURRENT
SENSE
TIP
+
–
R
T1
R
RCV
R
HB1
R
T2
RCVN
RCVP
R
X
VGSX
VF
X
IN
V
FR
1/4 T7504 CODEC
R
GP
+2.4 V
–
0.300 V/mA
A
V
= 4
L9214
VF
X
IP
18
18
+
–
+
–
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| LUCL9214GAJ-D | Low-Cost Ringing SLIC |
| LUCL9214GAJ-DT | Low-Cost Ringing SLIC |
| LUCL9214GAU-D | Low-Cost Ringing SLIC |
| LUCL9214GAU-DT | Low-Cost Ringing SLIC |
| LUCL9214GRG-D | Planar E Core |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LUCL9214AAU-D | 制造商:AGERE 制造商全稱(chēng):AGERE 功能描述:Low-Cost Ringing SLIC |
| LUCL9214ARG-D | 制造商:AGERE 制造商全稱(chēng):AGERE 功能描述:Low-Cost Ringing SLIC |
| LUCL9214ARG-DT | 制造商:AGERE 制造商全稱(chēng):AGERE 功能描述:Low-Cost Ringing SLIC |
| LUCL9214GAJ-D | 制造商:AGERE 制造商全稱(chēng):AGERE 功能描述:Low-Cost Ringing SLIC |
| LUCL9214GAJ-DT | 制造商:AGERE 制造商全稱(chēng):AGERE 功能描述:Low-Cost Ringing SLIC |
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