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參數(shù)資料
| 型號： | HC55130 |
| 廠商： | Intersil Corporation |
| 英文描述： | Ultra Low Power SLICs.(超低功耗用戶線路接口電路) |
| 中文描述： | 超低功耗SLIC組件。（超低功耗用戶線路接口電路） |
| 文件頁數(shù)： | 6/7頁 |
| 文件大?。?/td> | 83K |
| 代理商： | HC55130 |
4-6
The closest standard value for R
2
is 5.23k
.
Transhybrid Balance
(Z
L
= 200 + 680//0.1
μ
F)
The internal GSX amplifier of the TCM38C17 is used to
perform the transhybrid balance function. The voltage at V
TX
is equal to V
PWRO+
times the 2-wire to 4-wire gain of the
SLIC, as the gain from V
RX
to V
2W
= 1.0.
The 2-wire to 4-wire gain is calculated using Equation 20,
repeated here in Equation 40.
V
2W
Z
O
for the China complex load at 1020Hz is equal to 811
.
The voltage at V
TX
is equal to V
2W
times the 2-wire to
4-wire gain.
The design specifications require the gain from V
2W
to
V
PCMOUT
equal 0dBm. This results in an output voltage at
V
PCMOUT
of 0.51769V
RMS
or -3.5dBm0
(600
)
.
(Note: -2.19dBm0
(811
)
= -3.5dBm0
(600
)
).
The gain from V
TX
to V
PCMOUT
is calculated in
Equation 43.
Setting this gain equal to R
f
/ R
a1
enables the value of R
f
and R
a1
to be determined (Equation 44).
R
f
a1
If R
f
= 49.9k
then R
a1
= 53.72k
Closest standard value for R
a1
is 53.6k
The gain from V
PWRO+
to V
PCMOUT
, to achieve transhybrid
balance is calculated in Equation 45.
=0.60196
Setting this gain equal to R
f
/ R
a2
enables the value of R
f
and R
a2
to be determined (Equation 46).
R
f
a1
If R
f
= 49.9k
then R
a2
= 58k
Closest standard value for Ra1 is 57.6k
Reference
[1] Website
www.ti.com/sc/docs/psheets/abstract/apps/slwa006.htm
FIGURE 6. REFERENCE DESIGN OF THE UniSLIC14 AND THE TCM38C17 WITH CHINA COMPLEX LOAD IMPEDANCE
-2.19dBm0
(600
)
0.60196V
RMS
-2.19dBm0
(600
)
0.60196V
RMS
-2.19dBm0
(600
)
0.60196V
RMS
G4-2
G2-4
V
PWRO+
V
PCMOUT
0dBm0
(600
)
0.7745V
RMS
0.51769V
RMS
-3.5dBm0
(600
)
TIP
RING
INTERSIL
UniSLIC14
V
RX
Z
T
V
TX
R
P
30
R
P
30
Z
O
PWRO+
V
2W
-
+
ANLGIN+
ANLGIN-
R
a2
57.6k
TEXAS
V
IN
PCMIN
PCMOUT
AREF
+
-
+
-
+
-
INSTRUMENTS
TCM38C17
GSR
PWRO-
1
+
-
V
TR
+
-
PTG
FLOATING
R
a1
R
Z
T
28k
= 49.9k
53.6k
137k
R
1
49.9k
R
2
5.23k
470pF
-2.857dBm0
(600
)
0.55742V
RMS
R
2
R
1
--------------
49.9k
0.105
(
)
5.27k
=
=
=
(EQ. 39)
G
2-4
=
-----------
=
Z
- 2R
P
0
------------------------
(EQ. 40)
G
2-4
=811
- 60
811
0.92601
=
(EQ. 41)
V
TX
= 0.60196
)
0.92601
(
)
0.55742V
RMS
=
(EQ. 42)
G
VTX
VPCMOUT
–
=0.55742
---------------------
0.92872
=
(EQ. 43)
----------
= 0.92872
(EQ. 44)
G
VPWRO
VPCMOUT
–
+
---------------------
0.86000
=
(EQ. 45)
----------
= 0.86000
(EQ. 46)
Application Note 9903
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| HC55130IB | 制造商:Rochester Electronics LLC 功能描述:LOW PWR SLIC,63DB BALANCE - Bulk |
| HC55130IB96 | 制造商:INTERSIL 制造商全稱:Intersil Corporation 功能描述:Low Power Universal SLIC Family |
| HC55130IBZ | 功能描述:電信線路管理 IC LW PWR SLIC 63DB BALANCE RoHS:否 制造商:STMicroelectronics 產(chǎn)品:PHY 接口類型:UART 電源電壓-最大:18 V 電源電壓-最小:8 V 電源電流:30 mA 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 安裝風格:SMD/SMT 封裝 / 箱體:VFQFPN-48 封裝:Tray |
| HC55130IBZ96 | 功能描述:電信線路管理 IC LW PWR SLIC 63DB BALANCE RoHS:否 制造商:STMicroelectronics 產(chǎn)品:PHY 接口類型:UART 電源電壓-最大:18 V 電源電壓-最小:8 V 電源電流:30 mA 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 安裝風格:SMD/SMT 封裝 / 箱體:VFQFPN-48 封裝:Tray |
| HC55130IM | 制造商:Rochester Electronics LLC 功能描述:LOW PWR SLIC,63DB BALANCE - Bulk 制造商:Harris Corporation 功能描述: |
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