MAX2108(1999) 查看數據表（PDF） - Maxim Integrated
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MAX2108 Datasheet PDF : 12 Pages
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Direct-Conversion Tuner IC
(TA = +25°C, unless otherwise noted.)
Typical Operating Characteristics
IM3 vs. CARRIER LEVEL
80
70
60
50
NOISE FIGURE vs. FREQUENCY
15
14
13
12
11
NOISE FIGURE vs. INSERTION GAIN
(RF TO BASEBAND)
25
20
40
30
20
10
TWO-TONE FREQUENCY
SPACING EQUALS 2MHz
0
-55 -50 -45 -40 -35 -30 -25 -20 -15 -10
RF INPUT LEVEL (dBm)
10
9
8
7
6
5
950
VGC = 4V
1150 1350 1550 1750
RF FREQUENCY (MHz)
15
10
5
20 22 24 26 28 30 32 34 36 38
GAIN (dB)
RF PORT SERIES IMPEDANCE
vs. FREQUENCY
40
30
20
REAL
10
0
-10
-20
IMAGINARY
-30
-40
900
VGC = 4V
1100 1300 1500 1700 1900 2100
FREQUENCY (MHz)
40
30
20
10
0
-10
-20
-30
-40
-50
-60
-70
900
RF PORT SERIES IMPEDANCE
vs. FREQUENCY
REAL
IMAGINARY
VGC = 1V
1100 1300 1500 1700 1900 2100
FREQUENCY (MHz)
30
20
10
0
-10
-20
-30
-40
-50
-60
-70
900
LO PORT SERIES IMPEDANCE
vs. FREQUENCY
REAL
IMAGINARY
SINGLE-ENDED
1100 1300 1500 1700 1900 2100
FREQUENCY (MHz)
NORMALIZED BASEBAND GAIN
vs. BASEBAND FREQUENCY
5
0
-5
0.1
1
10
100
1000
BASEBAND FREQUENCY (MHz)
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