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
(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.)
SUPPLY CURRENT vs. SUPPLY VOLTAGE
236
TA = +85°C
232
TA = +25°C
228
224
220
TA = 0°C
216
3.1
3.2
3.3
3.4
3.5
SUPPLY VOLTAGE
UHF VOLTAGE GAIN vs. RF VGA VOLTAGE
50
TA = +25°C
40
30
TA = 0°C
20
TA = +55°C
10
TA = +85°C
0
-10
-20
-30
0
0.5 1.0 1.5 2.0 2.5 3.0 3.5
RF VGA (V)
VHF-L VOLTAGE GAIN vs. RF VGA VOLTAGE
50
TA = +25°C
40
TA = 0°C
30
20
TA = +55°C
10
TA = +85°C
0
-10
-20
-30
0
0.5 1.0 1.5 2.0 2.5 3.0 3.5
RF VGA (V)
VHF-L VOLTAGE GAIN vs. FREQUENCY
45
TA = +25°C
40
TA = 0°C
35
30
TA = +55°C
25
TA = +85°C
20
15
10
50
80 110 140 170 200
FREQUENCY (MHz)
VHF-H VOLTAGE GAIN vs. RF VGA VOLTAGE
50
TA = +25°C
40
TA = 0°C
30
20
TA = +55°C
10
TA = +85°C
0
-10
-20
-30
0
0.5 1.0 1.5 2.0 2.5 3.0 3.5
RF VGA (V)
VHF-H VOLTAGE GAIN vs. FREQUENCY
45
40
TA = +25°C TA = 0°C
35
30
25
20
TA = +85°C TA = +55°C
15
10
200 250 300 350 400 450
FREQUENCY (MHz)
UHF VOLTAGE GAIN vs. FREQUENCY
45
TA = 0°C
40
TA = +25°C
35
30
25
TA = +55°C
20
TA = +85°C
15
10
400 500 600 700 800 900
FREQUENCY (MHz)
VHF-L NOISE FIGURE vs. FREQUENCY
7
TA = +55°C
TA = +85°C
5
TA = +25°C
3
TA = 0°C
1
40 60 80 100 120 140 160 180 200 220
FREQUENCY (MHz)
VHF-H NOISE FIGURE vs. FREQUENCY
8
TA = +85°C
6
TA = +55°C
4
TA = 0°C
TA = +25°C
2
180 230 280 330 380 430 480
FREQUENCY (MHz)
_______________________________________________________________________________________ 5
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