MAX9947ETE Просмотр технического описания (PDF) - Maxim Integrated
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MAX9947ETE Datasheet PDF : 17 Pages
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MAX9947
AISG Integrated Transceiver
Typical Application Circuit (Connectivity at the Tower)
0.1µF
0.1µF
12V
3.3V
VL
POWER
SUPPLY 5.0V VCC
XTAL1
8.704MHz
XTAL2
TXIN
5V
VCC
MAX13486E
MAX13485E
DIRMD1
DIRMD2
DIR
A
RS-485 BUS B
TO TMA/RET
RO
RXOUT
RE
DE
DI
DIRECTION
DETECTION
STATE MACHINE
GND
GND
R2
R1
RES
1µF
BIAS
1.5V
+7dBm TO +12dBm
ANALOG
SWITCH
BANDPASS FILTER
REF
-15dBm
MAX9947
OOK
DEMODULATOR
BANDPASS FILTER
TXOUT
50Ω
SYNCOUT
Tx POWER:
+1dBm TO
+6dBm
RXIN
COAX
CABLE
CF = 470pF AC-
COUPLING
Chip Information
PROCESS: BiCMOS
www.maximintegrated.com
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