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參數資料
| 型號： | ARA05050S12CTR |
| 廠商： | ANADIGICS INC |
| 元件分類： | 放大器 |
| 英文描述： | 5 MHz - 100 MHz RF/MICROWAVE NARROW BAND HIGH POWER AMPLIFIER |
| 封裝： | S12, SSOP-28 |
| 文件頁數： | 1/14頁 |
| 文件大小： | 3016K |
| 代理商： | ARA05050S12CTR |
03/2011
features
LowCostIntegratedMonolothicGaAsAmplifier
With Step Attenuator
Attenuation Range: 0-30 dB, Adjustable In
2dB Increments Via a 4 Wire Parallel Control
Meets DOCSIS Distortion Requirements at
+58dBmV Output Signal Level
Low Distortion and Low Noise
Low Signal toNoise Ratio at All Gain Levels
Frequency Range: 5-100 MHz
5 Volt Operation
RoHS-Compliant Package Option
applications
MCNS/DOCSIS Compliant Cable Modems
CATV Interactive Set-Top Box
OpenCable Set-Top Box
Fiber Nodes
Cable Modem Termination Systems (CMTS)
product description
The ARA05050 is a GaAs IC designed to provide the
reverse path amplification and output level control
functions in a CATV Set-Top Box or Cable Modem.
It incorporates a digitally controlled precision step
attenuator that is preceded by an ultra low noise
amplifierstage,andfollowedbyanultra-linearoutput
driver amplifier.This device is capable of meeting
the MCNS/DOCSIS requirements for harmonic
figure 1. cable Modem or set top Box application diagram
s12 package
28 pin ssop with Heat slug
performance at a +58dBmV output level while requiring
only a single polarity +5V supply. Both the input
and the output are single-ended and matched to 75
Ohms. The precision attenuator provides up to 30 dB
of attenuation in 2 dB increments. The ARA05050 is
offered in a 28-pin SSOP package that features a heat
slug on the bottom of the package, and is available in
a RoHS-compliant option.
LPF
Diplexer
ARA05050
SAW
Filter
Double-
Conversion
Tuner
MAC
Upstream
QPSK/16QAM
Modulator
QAM Receiver
with FEC
Balun
Transmit Enable/Disable
Attenuation Control
Microcontroller
with Ethernet
MAC
RAM
ROM
10Base-T
Transceiver
RJ45
Connector
Clock
Data
54-860 MHz
44 MHz
5-42 MHz
4
LPF
Switch
ara05050
ReverseAmplifierwithStepAttenuator
Data Sheet - Rev 2.6
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