ARA1400S12 Ver la hoja de datos (PDF) - ANADIGICS
Número de pieza
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ARA1400S12 Datasheet PDF : 8 Pages
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ARA1400S12
CATV REVERSE AMPLIFIER WITH STEP ATTENUATOR
Advanced Product Information Rev. 2
Tx Enable/Disable
Gain Control
Coax
Connector
Diplex
Filter
PA
ATTN
4/8/16/32 dB
PA
ARA1400 Reverse Amp
54-860 MHz
Double
Conversion
Tuner
Upstream
LPF
Balun
QPSK/
16-QAM
Modulator
45 MHz IF
SAW
Clock
Data
MAC
Microcontroller
w/Enet MAC
Clock
Data
RAM
ROM
QAM
Receiver
w/FEC
10Base-T
Tranceiver
RJ45
Connector
Figure 1: Cable Modem or Interactive Set-Top Box Block Diagram
RFOUT1 ATTIN
ATTOUT
RFIN2
RFIN
AMP
56 dB 4 dB step digital attenuator section
AMP
RFOUT
ISET1
32 dB
16 dB
8 dB
4 dB
Figure 2
ISET2
Tx
A
3
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