MAX2102 データシートの表示（PDF） - Maxim Integrated
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MAX2102 Datasheet PDF : 16 Pages
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Direct-Conversion Tuner ICs for
Digital DBS Applications
Typical Operating Characteristics (continued)
(MAX2102 EV kit circuit (Figure 1), VCC = 5V, PSGND = open, MOD = GND, fRFIN = 2150MHz, PRFIN = -19dBm, fLO = 2150.125MHz,
PLO = -15dBm driven single-ended into LO, AGC set via servo loop for VIOUT = VQOUT = 0.5Vp-p, IOUT, QOUT drive AC-coupled
100Ω loads, 2kΩ from PSOUT to GND, TA = +25°C, unless otherwise noted.)
MAX2102
CARRIER LEVEL vs. AGC VOLTAGE
0
AGC SET FOR IOUT
QOUT = 0.5Vp-p
-20
-40
-60
-80
1
TA = +70°C
TA = +25°C
TA = 0°C
2
3
4
AGC VOLTAGE (V)
MAX2105
CARRIER LEVEL vs. AGC VOLTAGE
0
AGC SET FOR
-10
IOUT, QOUT = 0.5Vp-p
-20
-30
TA = +70°C
-40
-50
TA = +25°C
-60
TA = 0°C
-70
1.6 2.0 2.4 2.8 3.2 3.6 4.0
AGC VOLTAGE (V)
MAX2102
NOISE FIGURE vs. FREQUENCY
15.0
AGC SET FOR
14.5
PRFIN = -69dBm
TA = +70°C
14.0
13.5
13.0
TA = 0°C
12.5
TA = +25°C
12.0
0.8 1.0 1.2 1.4 1.6 1.8 2.0 2.2
LO FREQUENCY (GHz)
MAX2105
NOISE FIGURE vs. FREQUENCY
16.3
16.1
+70°C NF (dB)
15.9
15.7
15.5 +25°C NF (dB)
15.3
15.1
0°C NF (dB)
14.9
14.7
AGC SET FOR PRFIN = -60dBm
14.5
800 1000 1200 1400 1600 1800 2000 2200
LO FREQUENCY (MHz)
MAX2102
NOISE FIGURE vs. INPUT CARRIER LEVEL
30
fLO = 1451MHz
25
TA = +70°C
TA = +25°C
20
15
TA = 0°C
10
-50 -55 -60 -65 -70 -75
RFIN CARRIER LEVEL (dBm)
MAX2102
NOISE FIGURE vs. INPUT CARRIER LEVEL
30
fLO = 2151MHz
25
TA = +70°C
TA = +25°C
20
15
TA = 0°C
10
-50 -55 -60 -65 -70 -75
RFIN CARRIER LEVEL (dBm)
MAX2105
NOISE FIGURE vs. INPUT CARRIER LEVEL
23
22
fLO = 1441MHz
21
TA = +70°C
20
19
TA = +25°C
18
17
16
15
TA = 0°C
14
13
12
-50
-55
-60
-65
RFIN CARRIER LEVEL (dBm)
MAX2105
NOISE FIGURE vs. INPUT CARRIER LEVEL
23
22
fLO = 2141MHz
21
20
TA = +70°C
19
TA = +25°C
18
17
16
15
TA = 0°C
14
13
12
-50
-55
-60
-65
RFIN CARRIER LEVEL (dBm)
INPUT-REFERRED IP3 vs. FREQUENCY
10
9
8
TA = 0°C
7
TA = +25°C
6
5
TA = +70°C
4
3 f1 = fLO - 2MHz
f2 = fLO - 2.9MHz
2 PRFIN = -19dBm PER TONE
1 AGC SET VIA SERVO LOOP
FOR 0.5Vp-p PER TONE
0
0.8 1.0 1.2 1.4 1.6 1.8 2.0 2.2
LO FREQUENCY (GHz)
6 _______________________________________________________________________________________
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