参数资料
型号: HSP50216KIZ
厂商: Intersil
文件页数: 51/58页
文件大小: 0K
描述: IC DOWNCONVERTER DGTL 4CH 196BGA
标准包装: 1
功能: 降频器
RF 型: W-CDMA
封装/外壳: 196-LFBGA
包装: 托盘
HSP50216
ROMd FIR Filters - Response Curves
0.0
0
-1.0
-2.0
-3.0
N=1
-20
-40
-60
N=1
-4.0
-5.0
N=5
N=4
N=2
N=3
-80
-100
-120
N=2
N=3
N=4
N=5
-6.0
-140
0.0
0.1
0.2
0.3
0.4
0.5
0.00
0.10
0.20
0.30
0.40
0.50
f S /R
FIGURE 8. CIC PASSBAND ROLLOFF (N = # OF STAGES,
R = DECIMATION FACTOR, f S /R = 1 is CIC
OUTPUT RATE)
f S /R
FIGURE 9. CIC FIRST ALIAS LEVEL (N = # OF STAGES,
R = DECIMATION FACTOR, f S /R = 1 is CIC
OUTPUT RATE)
0
0
-20
-40
-60
-80
-100
-120
-140
-10
-20
-30
-40
-50
-60
-70
-80
-90
-100
-110
-120
HBF5
HBF4
HBF3
HBF2
HBF1
0.0
0.5
1.0
1.5
2.0
2.5
3.0
0
0.125
0.25
0.375
0.5
f S /R
FIGURE 10. 5TH ORDER (N = 5) CIC RESPONSE
(R = DECIMATION FACTOR, f S /R = 1 is CIC
OUTPUT RATE)
0
-10
-20
f S
NOTE: HBF4 not included in the ROMd Fir Filter Coefficient memory.
See Note 10 of Table 48.
FIGURE 11. ROMd HALFBAND FILTER FREQUENCY
RESPONSE
-30
-40
-50
-60
-70
-80
-90
-100
-110
-120
HBF1
HBF2
HBF3
HBF5
HBF4
0
0.0625
0.125
0.1875
0.25
f S
NOTE: HBF4 not included in the ROMd Fir Filter Coefficient memory. See Note 10 of Table 48.
FIGURE 12. ROMd HALFBAND FILTER ALIAS FREQUENCY RESPONSE
51
FN4557.6
August 17, 2007
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