AD9876 Ver la hoja de datos (PDF) - Analog Devices
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AD9876 Datasheet PDF : 24 Pages
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AD9876–Typical Tx Digital Filter Performance Characteristics
10
0
–10
INTERPOLATION
FILTER
–20
–30
–40
INCLUDING SIN(X)/X
–50
–60
–70
–80
–90
–100
0.0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0
NORMALIZED – fs
TPC 1. 4؋ Low-Pass Interpolation Filter
10
0
–10
–20
INTERPOLATION
FILTER
–30
INCLUDING SIN(X)/X
–40
–50
–60
–70
–80
–90
–100
0.0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0
NORMALIZED – fS
TPC 4. 2؋ Band-Pass Interpolation Filter, fS /2 Modula-
tion, Adjacent Image Preserved
10
0
INTERPOLATION
FILTER
–10
–20
–30
INCLUDING SIN(X)/X
–40
–50
–60
–70
–80
–90
–100
0.0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0
NORMALIZED – fS
TPC 2. 2؋ Low-Pass Interpolation Filter
10
0
INTERPOLATION
FILTER
–10
–20
–30
INCLUDING SIN(X)/X
–40
–50
–60
–70
–80
–90
–100
0.0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0
NORMALIZED – fS
TPC 5. 4؋ Band-Pass Interpolation Filter, fS /4 Modulation,
Lower Image Preserved
10
0
INTERPOLATION
FILTER
–10
–20
–30
INCLUDING SIN(X)/X
–40
–50
–60
–70
–80
–90
–100
0.0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0
NORMALIZED – fS
TPC 3. 4؋ Band-Pass Interpolation Filter, fS /2 Modula-
tion, Adjacent Image Preserved
10
0
INTERPOLATION INCLUDING SIN(X)/X
FILTER
–10
–20
–30
–40
–50
–60
–70
–80
–90
–100
0.0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0
NORMALIZED – fS
TPC 6. 4؋ Band-Pass Interpolation Filter, fS /4 Modulation,
Upper Image Preserved
–8–
REV. A
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