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參數資料
| 型號： | ARA05050RS12P1 |
| 廠商： | ANADIGICS INC |
| 元件分類： | 衰減器 |
| 英文描述： | Reverse Amplifier with Step Attenuator |
| 中文描述： | 5 MHz - 100 MHz RF/MICROWAVE NARROW BAND MEDIUM POWER AMPLIFIER |
| 封裝： | ROHS COMPLIANT, S12, SSOP-28 |
| 文件頁數： | 1/16頁 |
| 文件大?。?/td> | 562K |
| 代理商： | ARA05050RS12P1 |
05/2005
ARA05050
Reverse Amplifier with Step Attenuator
Data Sheet - Rev 2.2
FEATURES
Low Cost Integrated Monolothic GaAs Amplifier
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
amplifier stage, and followed by an ultra-linear output
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
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
Clock
Data
Data
54-860 MHz
44 MHz
5-42 MHz
4
LPF
Switch
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.
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相關代理商/技術參數 |
參數描述 |
|---|---|
| ARA05050S12 | 制造商:ANADIGICS 制造商全稱:ANADIGICS, Inc 功能描述:CATV Reverse Amplifier w/step Attenuator |
| ARA05050S12-1 | 制造商:ANADIGICS 制造商全稱:ANADIGICS, Inc 功能描述:CATV Reverse Amplifier w/step Attenuator |
| ARA05050S12C | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Analog Miscellaneous |
| ARA05050S12CTR | 制造商:ANADIGICS Inc 功能描述:BROADBAND/CATV (75 OHM) REVERSE AMPLIFIER |
| ARA120ABA | 制造商:ATC DIVERSIFIED ELECTRONICS 功能描述:Relay;E-Mech;Alternating;SPDT;Cur-Rtg 10A;Ctrl-V 120AC/DC;Vol-Rtg 240AC;ARA Seri |
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