MAX2117 Ver la hoja de datos (PDF) - Maxim Integrated
Número de pieza
componentes Descripción
Fabricante
MAX2117 Datasheet PDF : 20 Pages
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Complete, Direct-Conversion Tuner for
MMDS Applications
Typical Operating Characteristics (continued)
(MAX2117 Evaluation Kit: VCC = +3.3V, baseband output frequency = 5MHz; VGC1 = 1.2V; TA = +25°C. Default register settings
except BBG[3:0] = 1011.)
BASEBAND FILTER
FREQUENCY RESPONSE
0
-10
-20
-30
-40
-50
-60
-70
-80
0
20
40
60
80
BASEBAND FREQUENCY (MHz)
BASEBAND FILTER HIGHPASS
FREQUENCY RESPONSE
2
0
-2
-4
-6
-8
-10
-12
-14
100
1000
BASEBAND FREQUENCY (MHz)
10,000
PROGRAMMED f-3dB FREQUENCY
vs. MEASURED f-3dB FREQUENCY
45
LPF[7:0] = 12 + (f-3dB - 4MHz) / 290kHz
40
35
30
25
20
15
10
5
0
0 5 10 15 20 25 30 35 40 45
PROGRAMMED f-3dB FREQUENCY (MHz)
BASEBAND FILTER 3dB FREQUENCY
vs. TEMPERATURE
1.0
NORMALIZED TO TA = +25°C
0.8
0.6
0.4
0.2
0
-0.2
-0.4
-0.6
-0.8
-1.0
0 10 20 30 40 50 60 70
TEMPERATURE (°C)
INPUT POWER vs. VGC1
10
ADJUST BBG[3:0] FOR 1VP-P
0 BASEBAND OUTPUT WITH
-10 PIN = -75dBm AND VGC1 = 0.5V
-20
-30
TA = +25°C
TA = +70°C
-40
-50
-60
-70
-80
0.5 1.0 1.5 2.0 2.5 3.0
VGC1 (V)
NOISE FIGURE vs. FREQUENCY
10.0
ADJUST BBG[3:0] FOR 1VP-P
BASEBAND OUTPUT WITH
9.5
PIN = -75dBm AND VGC1 = 0.5V
9.0
TA = +25°C
8.5
TA = +70°C
8.0
7.5
450 550 650 750 850 950
FREQUENCY (MHz)
6 _______________________________________________________________________________________
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