MAX2108 Maxim, MAX2108 Datasheet - Page 4

• Manufacturer Part Number: MAX2108
• Description: Direct-Conversion Tuner IC
• Manufacturer: Maxim

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