參數(shù)資料
型號: MC44BC373DTB
廠商: MOTOROLA INC
元件分類: 消費家電
英文描述: Multi-Standard or PAL/ NTSC Modulator with integrated antenna booster/splitter ICs
中文描述: SPECIALTY CONSUMER CIRCUIT, PDSO24
封裝: TSSOP-24
文件頁數(shù): 12/24頁
文件大?。?/td> 635K
代理商: MC44BC373DTB
12
MC44BC373/374 Technical Data
For More Information On This Product,
Go to: www.freescale.com
MOTOROLA
Antenna Booster/Splitter Characteristics
11 Antenna Booster/Splitter Characteristics
Unless otherwise stated: V
cc
=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 40MHz to
860MHz.
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
4
dB
dB
B
B
Gain flatness
40 to 860MHz.
1
.
5
+
1
.
5
dB
C
Noise figure
ANT1, 2 to VCRTU and TVOUT.
Modulator in standby mode.
5
.
5
7
.
5
9
.
5
dB
C
Noise figure
ANT1, 2 to VCRTU and TVOUT.
Modulator in normal mode (ON).
6
.
5
8
.
5
10
.
5
dB
C
VSWR
All pins, BST bias ON.
At TVout and VCRTU pins, BST bias OFF.
1
.
5
2
.
5
B
At TVin pins, BST bias OFF.
2
.
5
3
B
Intermodulation
(IMD)
Input level=90dBuV. See IMD measurement section.
F1
+
F2 IMD
2F1
F2, 2F2
+
F1, F1
F2 IMD
From TVOUT or VCR to ANT1, 2
TVOUT/VCRTU
55
60
47
50
dBc
dBc
C
C
Isolations
48
30
60
45
dBc
dBc
C
C
Gain ANT1,2 to VCRTU and TVOUT
1
2
3
4
5
6
7
0
150
300
Frequency (Mhz)
450
600
750
900
d
TVOUT
VCRTU
Isolation Output to Input
-90
-80
-70
-60
-50
-40
-30
0
150
300
450
600
750
900
Frequency (M hz)
d
Isolation Output to Output
-70
-60
-50
-40
-30
-20
-10
0
150
300
450
600
750
900
Frequency (M hz)
d
Typical
Typical
Typical
Minimum specification
Minimum specification
Minimum specification
Maximum specification
F
n
.
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