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參數(shù)資料
型號(hào): MC44BC374EJBR2
廠商: Freescale Semiconductor
文件頁(yè)數(shù): 4/24頁(yè)
文件大?。?/td> 0K
描述: IC MODULATOR ANT BOOSTER 24TSSOP
標(biāo)準(zhǔn)包裝: 2,500
類型: 調(diào)制器
應(yīng)用: 機(jī)頂盒
安裝類型: 表面貼裝
封裝/外殼: 24-TSSOP(0.173",4.40mm 寬)
供應(yīng)商設(shè)備封裝: 24-TSSOP
包裝: 帶卷 (TR)
MC44BC373/374 Technical Data
Antenna Booster/Splitter Characteristics
11 Antenna Booster /Splitter Characteristics
Unless otherwise stated: Vcc=5.0V, Ambient Temperature=25
o C, RF inputs/outputs into 75Ohm load.
All specifications use a BALUN at ANT1 & 2 inputs, assuming 0.8dB losses MAX from 40 MHz to
860 MHz.
11.1 Typical Performance—Gain and Isolation
Figure 6. Typical Performance—Gain and Isolation
Parameter
Test Conditions
Min
Typ
Max
Unit
Type
Frequency range
40
860
MHz
C
Gain
ANT1, 2 to VCRTU.
ANT1, 2 to TVOUT.
4
dB
B
Gain flatness
40 to 860MHz.
–1.5
+1.5dB
C
Noise figure
ANT1, 2 to VCRTU and TVOUT.
Modulator in standby mode.
5.57.59.5dB
C
Noise figure
ANT1, 2 to VCRTU and TVOUT.
Modulator in normal mode (ON).
6.58.510.5dB
C
VSWR
All pins, BST bias ON.
At TVout and VCRTU pins, BST bias OFF.
1.52.5
B
At TVin pins, BST bias OFF.
2.53
B
Intermodulation
(IMD)
Input level=90dBuV. See IMD measurement section.
F1
+F2 IMD
2F1–F2, 2F2
+F1, F1–F2 IMD
55
60
47
50
dBc
C
Isolations
From TVOUT or VCR to ANT1, 2
TVOUT/VCRTU
48
30
60
45
dBc
C
Gain ANT1,2 to VCRTU and TVOUT
1
2
3
4
5
6
7
0
150
300
450
600
750
900
Fr e que ncy (M hz )
dB
TV OU T
VC RTU
Is ola tion Output to Input
-90
-80
-70
-60
-50
-40
-30
0
150
300
450
600
750
900
Fr e que n cy (M hz)
dBc
Is olation Output t o Output
-70
-60
-50
-40
-30
-20
-10
0
150
300
450
600
750
900
Fr e q u e n cy (M h z )
dBc
Typical
Minimum specification
Maximum specification
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Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
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