Datasheet

Multiband Analog and
Digital Television Tuner
MAX3543
_______________________________________________________________________________________ 5
Typical Operating Characteristics
(MAX3543 Evaluation Kit, V
CC
= 3.3V, T
A
= +25NC, registers set according to Table 1, unless otherwise noted.)
CASCADED DTV VOLTAGE GAIN
vs. FREQUENCY
MAX3543 toc01
FREQUENCY (MHz)
VOLTAGE GAIN (dB)
800700100 200 300 500400 600
65
70
75
80
85
90
95
100
60
0 900
0°C
+70°C
+25°C
DVB-T MODE
CASCADED DTV VOLTAGE GAIN
vs. RFVGC VOLTAGE
MAX3543 toc02
RFVGC VOLTAGE (V)
+70°C
VOLTAGE GAIN (dB)
2.52.01.0 1.5
30
40
50
60
80
70
90
100
20
0.5 3.0
f
RF
= 666MHz
DVB-T MODE
+25°C
0°C
CASCADED DTV VOLTAGE GAIN
vs. IFVGC VOLTAGE
MAX3543 toc03
IFVGC VOLTAGE (V)
VOLTAGE GAIN (dB)
2.52.01.51.0
40
50
60
70
80
90
100
30
0.5 3.0
f
RF
= 666MHz
DVB-T MODE
+25°C
0°C
+70°C
ATV VOLTAGE GAIN
vs. FREQUENCY
MAX3543 toc04
FREQUENCY (MHz)
VOLTAGE GAIN (dB)
800700100 200 300 500400 600
25
30
35
40
45
50
55
60
20
0 900
ATV MODE
0°C
+25°C
+70°C
ATV VOLTAGE GAIN
vs. RFVGC VOLTAGE
MAX3543 toc05
RFVGC VOLTAGE (V)
+70°C
VOLTAGE GAIN (dB)
2.52.01.0 1.5
-10
0
10
20
40
30
50
60
-20
0.5 3.0
f
RF
= 666MHz
ATV MODE
+25°C
0°C
NOISE FIGURE
vs. FREQUENCY
MAX3543 toc06
FREQUENCY (MHz)
NOISE FIGURE (dB)
800700500 600200 300 400100
1
2
3
4
5
6
7
8
9
10
0
0 900
ATV MODE
INPUT DIPLEXER CROSSOVER
FREQUENCY IS 345MHz
+25°C