參數(shù)資料
型號(hào)： MC44BC374DTB
廠商： MOTOROLA INC
元件分類： 消費(fèi)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： MC44BC374DTB
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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MC44BC374T1D 制造商:Rochester Electronics LLC 功能描述:- Bulk
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