Rainbow Electronics MAX3541 - Manual (Page 6)

MAX3541
Complete Single-Conversion
Television Tuner
6 _______________________________________________________________________________________
Typical Operating Characteristics (continued)
(MAX3541EV kit, V CC = +3.3V, V IFAGC = 3.0V, V RFAGC = 3.0V, T A = +25°C, unless otherwise noted.)
UHF NOISE FIGURE vs. FREQUENCY
FREQUENCY (MHz)
NOISE FIGURE (dB)
MAX3541 toc09
470 560 650 740 830
1
3
5
7
+55 °C
+85 °C
+25 °C
0 °C
-40 °C
VHF NOISE FIGURE vs. RFAGC VOLTAGE
RFAGC VOLTAGE (V)
NOISE FIGURE (dB)
MAX3541 toc10
1.8 2.0 2.2 2.4 2.6 2.8 3.0
0
4
8
12
16
20
f RF = 224.25MHz
+55 °C
+85 °C
+25 °C
0 °C
-40 °C
UHF NOISE FIGURE vs. RFAGC VOLTAGE
RFAGC VOLTAGE (V)
NOISE FIGURE (dB)
MAX3541 toc11
1.8 2.0 2.2 2.4 2.6 2.8 3.0
0
4
8
12
16
20
f RF = 631.25MHz
+55 °C
+85 °C
+25 °C
0 °C
-40 °C
VHF IMAGE REJECTION vs. FREQUENCY
FREQUENCY (MHz)
VHF IMAGE REJECTION (dB)
MAX3541 toc12
47 51 55 59 63
70
72
74
76
78
80
-40 °C
0 °C
+85 °C
+55 °C
+25 °C
VHF IMAGE REJECTION vs. FREQUENCY
FREQUENCY (MHz)
VHF IMAGE REJECTION (dB)
MAX3541 toc13
175 185 195 205 215 225
72
73
74
75
76
77
+25 °C
-40 °C
+85 °C
+55 °C
0 °C
UHF IMAGE REJECTION vs. FREQUENCY
FREQUENCY (MHz)
UHF IMAGE REJECTION (dB)
MAX3541 to14
470 570 670 770 870
64
66
68
70
72
74
76
+25 °C
-40 °C
+85 °C
+55 °C
0 °C