Complete Single-Conversion
Television Tuner
Typical Operating Characteristics (continued)
(MAX3541EV kit, VCC = +3.3V, VIFAGC = 3.0V, VRFAGC = 3.0V, TA = +25°C, unless otherwise noted.)
UHF NOISE FIGURE vs. FREQUENCY
7
+85°C
+55°C
5
3
1
470
+25°C 0°C
-40°C
560
650
740
830
FREQUENCY (MHz)
UHF NOISE FIGURE vs. RFAGC VOLTAGE
20
+25°C
fRF = 631.25MHz
16
12
8
-40°C
0°C
4
+55°C
+85°C
0
1.8 2.0 2.2 2.4 2.6 2.8 3.0
RFAGC VOLTAGE (V)
VHF NOISE FIGURE vs. RFAGC VOLTAGE
20
fRF = 224.25MHz
+85°C
16
+55°C
12
+25°C
8
4
0°C
-40°C
0
1.8 2.0 2.2 2.4 2.6 2.8 3.0
RFAGC VOLTAGE (V)
VHF IMAGE REJECTION vs. FREQUENCY
80
-40°C
78
0°C
76
74
72
70
47
+25°C
+55°C
+85°C
51
55
59
63
FREQUENCY (MHz)
VHF IMAGE REJECTION vs. FREQUENCY
77
-40°C
0°C
76
75
+25°C
74
73
72
+55°C
+85°C
175 185 195 205 215 225
FREQUENCY (MHz)
UHF IMAGE REJECTION vs. FREQUENCY
76
74
72
70 -40°C
68
+55°C
0°C
+25°C
66
+85°C
64
470
570
670
770
870
FREQUENCY (MHz)
6 _______________________________________________________________________________________