參數(shù)資料
型號: MRF377R5
廠商: Motorola, Inc.
英文描述: Pressure Transducer, Series 19 mm, Uncompensated, Pressure Range: 0 psi to 10 psi, Gage, flush mount with flange, 10 Vdc excitation
中文描述: 射頻功率場效應晶體管
文件頁數(shù): 10/16頁
文件大小: 780K
代理商: MRF377R5
10
RF Device Data
Freescale Semiconductor
MRF377HR3 MRF377HR5
TYPICAL ATSC 8VSB BROADBAND CHARACTERISTICS
η
900
8
18
420
45
45
G
ps
f, FREQUENCY (MHz)
Figure 14. Single-Channel ATSC 8VSB
Broadband Performance
Gp
V
DD
= 32 Vdc
P
out
= 80 W (Avg.)
I
DQ
= 2000 mA
ATSC 8VSB
,
η
A
17
40
16
35
15
30
14
25
13
15
12
20
11
25
10
30
9
35
480
540
600
660
720
780
840
ACPR
100
16
19
P
out
, OUTPUT POWER (WATTS) AVG.
Figure 15. Single-Channel ATSC 8VSB Broadband
Performance Power Gain versus Output Power
Gp
V
DD
= 32 Vdc
I
DQ
= 2000 mA
ATSC 8VSB
470 MHz
660 MHz
560 MHz
860 MHz
760 MHz
18.5
18
17.5
17
16.5
10
100
0
40
P
out
, OUTPUT POWER (WATTS) AVG.
Figure 16. Single-Channel ATSC 8VSB Broadband
Performance Drain Efficiency versus Output Power
,
η
470 MHz
V
DD
= 32 Vdc
I
DQ
= 2000 mA
ATSC 8VSB
660 MHz
560 MHz
860 MHz
760 MHz
35
30
25
20
15
10
5
10
100
50
25
10
860 MHz
P
out
, OUTPUT POWER (WATTS) AVG.
Figure 17. Single-Channel ATSC 8VSB Broadband Performance
Adjacent Channel Power Ratio versus Output Power
A
V
DD
= 32 Vdc
I
DQ
= 2000 mA
ATSC 8VSB
560 MHz
760 MHz
660 MHz
470 MHz
30
35
40
45
IMRU
4.0
100
10
0
IMRL
f, FREQUENCY (MHz)
Figure 18. ATSC 8VSB Spectrum
Reference
Point
20
30
40
50
60
70
80
90
0.8
0.8
1.6
2.4
3.2
4.0 3.2
2.4 1.6
3.25 MHz
Offset
3.25 MHz
Offset
(
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