MAX3540 데이터 시트보기 (PDF) - Maxim Integrated
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MAX3540 Datasheet PDF : 19 Pages
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Complete Single-Conversion Television Tuner
Typical Operating Characteristics (continued)
(MAX3540 Evaluation Kit, VCC = +3.3V, fRF = 83MHz (VHF low), 211MHz (VHF high), or 801MHz (UHF), fIF = 45.75MHz, TA= +25°C,
unless otherwise noted.)
UHF NOISE FIGURE vs. FREQUENCY
10
TA = +85°C
8
TA = +55°C
6
4
TA = +25°C TA = 0°C
2
400 450 500 550 600 650 700 750 800 850 900
FREQUENCY (MHz)
UHF NOISE FIGURE vs. RF AGC VOLTAGE
35
fRF = 657.25MHz
30
25
TA = +85°C
20
15
TA = +55°C
10
TA = 0°C
5
TA = +25°C
0
1.5
2.0
2.5
3.0
3.5
RF AGC VOLTAGE (V)
VHF-L NOISE FIGURE vs. RFAGC VOLTAGE
35
fRF = 181.25MHz
30
25
20
TA = +85°C
15
TA = +55°C
10
5 TA = +25°C
0
TA = 0°C
1.5 1.7 1.9 2.1 2.3 2.5 2.7 2.9 3.1 3.3 3.5
RFAGC VOLTAGE (V)
VHF-L IMAGE REJECTION vs. FREQUENCY
90
TA = 0°C
85
80
TA = +25°C TA = +85°C
75
70
65
60
40 60 80 100 120 140 160 180 200 220
FREQUENCY (MHz)
VHF-H NOISE FIGURE vs. RFAGC VOLTAGE
35
fRF = 331.25MHz
30
25
TA = +85°C
20
15
TA = +55°C
10
5 TA = 0°C
TA = +25°C
0
1.5
2.0
2.5
3.0
3.5
RFAGC VOLTAGE (V)
VHF-H IMAGE REJECTION vs. FREQUENCY
90
TA = 0°C
85
80
75
70
TA = +25°C
65
TA = +85°C
60
150 200 250 300 350 400 450 500
FREQUENCY (MHz)
UHF IMAGE REJECTION vs. FREQUENCY
90
85
TA = 0°C
80
75
70
TA = +25°C
65
TA = +85°C
60
400 500 600 700 800 900
FREQUENCY (MHz)
VHF-L PHASE NOISE AT 10kHz OFFSET
vs. CHANNEL FREQUENCY
-94
-95
-96
-97
-98
-99
-100
-101
0
50 100 150 200 250
FREQUENCY (MHz)
VHF-H PHASE NOISE AT 10kHz OFFSET
vs. CHANNEL FREQUENCY
-92.0
-92.5
-93.0
-93.5
-94.0
-94.5
-95.0
-95.5
-96.0
-96.5
190 210 230 250 270 290 310
FREQUENCY (MHz)
6 _______________________________________________________________________________________
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