MAX2102 데이터 시트보기 (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.)
QUADRATURE PHASE IMBALANCE
vs. FREQUENCY
93
fLO = fRFIN + 125kHz
92 PRFIN = -40dBm
PLO = -15dBm
TA = 0°C
91
90
89
TA = +70°C TA = +25°C
88
87
0.85
1.25
1.65
2.05
2.45
RFIN FREQUENCY (GHz)
QUADRATURE GAIN IMBALANCE
vs. FREQUENCY
0.5
0.4 fLO = fRFIN + 125kHz
0.3
PRFIN = -40dBm
PLO = -15dBm
0.2
0.1
0
-0.1
TA = +25°C TA = +70°C
-0.2
-0.3
TA = 0°C
-0.4
-0.5
0.85
1.25
1.65
2.05
2.45
RFIN FREQUENCY (GHz)
BASEBAND GAIN FLATNESS
vs. FREQUENCY
2
1
TA = +25°C
TA = +70°C
0
-1
TA = 0°C
-2
-3
0.1
1
10
100
FREQUENCY (MHz)
5
4
3
2
1
0
-1
-2
-3
-4
-5
1
BASEBAND GROUP DELAY
FLATNESS vs. FREQUENCY
TA = +25°C
TA = +70°C
TA = 0°C
10
100
FREQUENCY (MHz)
BASEBAND IM LEVELS
80
70
60
IM2
50
IM3
40
30
f1 = 1448.1MHz
20
f2 = 1449MHz
10
fLO = 1451MHz
PRFIN = -40dBm PER TONE
0
0.7 0.8 0.9 1.0 1.1 1.2 1.3 1.4 1.5 1.6 1.7
BASEBAND LEVELS, PER TONE (Vp-p)
BASEBAND OUTPUT IMPEDANCE
vs. FREQUENCY
8
7
6
5
4
3
2
1
0
0.1
1
10
100
FREQUENCY (MHz)
8 _______________________________________________________________________________________
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