參數(shù)資料
型號: MAX2120
廠商: Maxim Integrated Products, Inc.
英文描述: Complete, Direct-Conversion Tuner for DVB-S and Free-to-Air Applications
中文描述: 完備的直接變頻調(diào)諧器,用于DVB-S和免費廣播系統(tǒng)
文件頁數(shù): 5/21頁
文件大?。?/td> 316K
代理商: MAX2120
M
Complete, Direct-Conversion Tuner for DVB-S
and Free-to-Air Applications
_______________________________________________________________________________________
5
SUPPLY CURRENT vs. SUPPLY VOLTAGE
M
SUPPLY VOLTAGE (V)
S
3.5
3.4
3.3
3.2
3.1
89
90
91
92
93
94
95
96
97
98
88
3.0
3.6
T
A
= +70
°
C
T
A
= +25
°
C
T
A
= 0
°
C
STANDBY MODE SUPPLY CURRENT
vs. SUPPLY VOLTAGE
M
SUPPLY VOLTAGE (V)
S
3.5
3.4
3.3
3.2
3.1
2.400
2.500
2.600
2.700
2.800
2.900
2.300
3.0
3.6
T
A
= +70
°
C
T
A
= 0
°
C, +25
°
C
SUPPLY CURRENT
vs. BASEBAND FILTER CUTOFF FREQUENCY
104
M
BASEBAND FILTER CUTOFF FREQUENCY (MHz)
S
36
28
32
24
20
16
12
8
86
88
90
92
94
96
98
100
102
84
4
40
HD3 vs. OUTPUT VOLTAGE
M
V
OUT
(V
P-P
)
B
3.0
2.5
2.0
1.5
-55
-50
-45
-40
-35
-30
-25
-20
-15
-10
-60
1.0
3.5
QUADRATURE PHASE vs. LO FREQUENCY
M
LO FREQUENCY (MHz)
Q
°
)
2100
1800
1500
1200
87.5
88.5
89.5
90.5
91.5
92.5
93.5
86.5
900
2400
T
A
= +70
°
C
T
A
= +25
°
C
f
BASEBAND
= 10MHz
T
A
= 0
°
C
QUADRATURE MAGNITUDE MATCHING
vs. LO FREQUENCY
M
LO FREQUENCY (MHz)
Q
2100
1800
1500
1200
-0.6
-0.4
-0.2
0.2
0
0.4
0.6
0.8
1.0
-1.0
-0.8
900
2400
T
A
= +70
°
C
T
A
= +25
°
C
f
BASEBAND
= 10MHz
T
A
= 0
°
C
QUADRATURE PHASE
vs. BASEBAND FREQUENCY
M
BASEBAND FREQUENCY (MHz)
Q
°
)
16
12
8
4
87.5
88.5
89.5
90.5
91.5
92.5
93.5
86.5
0
20
T
A
= +70
°
C
T
A
= +25
°
C
f
LO
= 925MHz
T
A
= 0
°
C
QUADRATURE MAGNITUDE MATCHING
vs. BASEBAND FREQUENCY
M
BASEBAND FREQUENCY (MHz)
Q
16
12
8
4
-0.6
-0.4
-0.2
0.2
0
0.4
0.6
0.8
1.0
-1.0
-0.8
0
20
T
A
= +70
°
C
T
A
= +25
°
C
f
LO
= 925MHz
T
A
= 0
°
C
Typical Operating Characteristics
(MAX2120 Evaluation Kit: V
CC
= +3.3V, baseband output frequency = 5MHz; V
GC1
= 1.2V; T
A
= +25°C. Default register settings
except ICP = 1 and BBG[3:0] = 1011.)
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