FN4924.2 November 3, 2004 Equations 48 and 60 can be combined to re-write the 4-wire to 4-wire gain equation. Simplifying the above yields the " />
參數(shù)資料
型號(hào): ISL5586DIMZ
廠商: Intersil
文件頁數(shù): 8/20頁
文件大?。?/td> 0K
描述: IC SLIC RINGING LP HOME 28-PLCC
標(biāo)準(zhǔn)包裝: 37
系列: RSLIC18
功能: 用戶線路接口概念(SLIC)
電路數(shù): 1
電源電壓: 5V
電流 - 電源: 5mA
功率(瓦特): 305mW
工作溫度: -40°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 28-LCC(J 形引線)
供應(yīng)商設(shè)備封裝: 28-PLCC(11.51x11.51)
包裝: 管件
包括: 回路啟動(dòng)和振鈴?fù)禉z測器,振鈴發(fā)生器,熱保護(hù)
16
FN4924.2
November 3, 2004
Equations 48 and 60 can be combined to re-write the 4-wire
to 4-wire gain equation.
Simplifying the above yields the 4-wire to 4-wire gain.
VTX4W
VRX4W
--------------------
2.8
ZL
ZO + 2RP + ZL
------------------------------------------
Z0
ZL
------
×
=
(EQ. 61)
VTX4W
VRX4W
--------------------
2.8
Z0
ZO + 2RP + ZL
------------------------------------------
=
(EQ. 62)
FIGURE 13. SCHEMATIC FOR 2-WIRE TO 4-WIRE GAIN DERIVATION
+
-
-IN
VFB
VRX
VZO
200K
+
-
+
-
+-
1:1
20
3R
4R
3R
8K
RS
CFB
TA
VSA
+
-
VRXP
VRXM
VTXP
VTXM
R
+-
RP1
RP2
V
TR
ZL
VIN
IL
VTX4W
+
-
200K
1.4R
TIP
RING
+
-
FIGURE 14. SCHEMATIC FOR 4-WIRE TO 4-WIRE GAIN DERIVATION
T
R
+
-
-IN
VFB
VRX
VZO
+
-
+
-
+-
1:1
20
3R
4R
3R
8K
RS
CFB
TA
VSA
+
-
+
-
VRXP
VRXM
VTXP
VTXM
R
RP1
RP2
ZL
IL
VTX4W
-
+
V2W
+
-
+- VRX4W
200K
1.4R
ISL5586
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