MAX7030 Ver la hoja de datos (PDF) - Maxim Integrated
Número de pieza
componentes Descripción
Fabricante
MAX7030
Maxim Integrated
MAX7030 Datasheet PDF : 20 Pages
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Low-Cost, 315MHz, 345MHz, and 433.92MHz
ASK Transceiver with Fractional-N PLL
Typical Operating Characteristics (continued)
(Typical Application Circuit, PAVDD = AVDD = DVDD = HVIN = +3.0V, fRF = 433.92MHz, IF BW = 280kHz, 4kbps Manchester encoded,
0.2% BER, TA = +25°C, unless otherwise noted.)
RECEIVER
INPUT IMPEDANCE
vs. INDUCTIVE DEGENERATION
90
MAX7030 toc13 -220
fRF = 315MHz
80
-230
INPUT IMPEDANCE
vs. INDUCTIVE DEGENERATION
90
fRF = 434MHz
MAX7030 toc14 -150
80
-160
70
IMAGINARY
-240
70
IMAGINARY
-170
IMPEDANCE
IMPEDANCE
60
-250
60
-180
50
-260
50
-190
40
-270
30
REAL IMPEDANCE
-280
40
-200
30
REAL IMPEDANCE
-210
20
1
10
INDUCTIVE DEGENERATION (nH)
-290
100
20
1
10
INDUCTIVE DEGENERATION (nH)
-220
100
PHASE NOISE vs. OFFSET FREQUENCY
-50
fRF = 315MHz
-60
-70
-80
-90
-100
-110
-120
100
1k 10k 100k 1M 10M
OFFSET FREQUENCY (Hz)
PHASE NOISE vs. OFFSET FREQUENCY
-50
fRF = 433MHz
-60
-70
-80
-90
-100
-110
-120
100
1k 10k 100k 1M 10M
OFFSET FREQUENCY (Hz)
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