MAX2108 데이터 시트보기 (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 (continued)
IM3 vs. CARRIER LEVEL
80
70
60
50
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)
15
14
13
12
11
10
9
8
7
6
5
950
NOISE FIGURE vs. FREQUENCY
VGC = 4V
1150 1350 1550 1750
RF FREQUENCY (MHz)
NOISE FIGURE vs. INSERTION GAIN
(RF TO BASEBAND)
25
20
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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