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參數資料
| 型號： | ARA2017RS29P8 |
| 廠商： | ANADIGICS INC |
| 元件分類： | 放大器 |
| 英文描述： | 5 MHz - 85 MHz RF/MICROWAVE NARROW BAND MEDIUM POWER AMPLIFIER |
| 封裝： | 5 X 5 MM, 1 MM HEIGHT, ROHS COMPLIANT, MO-220, S29, QFN-28 |
| 文件頁數： | 1/17頁 |
| 文件大小： | 582K |
| 代理商： | ARA2017RS29P8 |
03/2011
ARA2017
Programmable Gain Amplifier
PRELIMINARY DATA SHEET - Rev 1.2
fEATuRES
High Linearity, High Output Power Integrated
Amplifier with Programmable Gain Control
Attenuation Range: 0-58 dB, Adjustable in
2 dB Increments via a 3-wire Serial Control
33 dB Gain (at Minimum Attenuation)
Low Distortion Products at Output Power Levels
up to +64 dBmV
Low Noise Figure and Output Noise
Frequency range: 5-85 MHz
5 V Operation
Materials set consistent with RoHS Directives.
Surface Mount Package
APPLIcATIoNS
DOCSIS 3.0 Data Cable Modems and E-MTAs
CATV Set Top Boxes
PRoDucT DEScRIPTIoN
The ARA2017 is a highly linear, high output power,
programmable gain amplifier optimized for DOCSIS
3.0 cable modem and E-MTA applications. Using a
low noise input amplification stage and an ultra linear
output driver amplifier, the device generates extremely
low distortion products at the high output power levels
required by DOCSIS 3.0 signals. Its balanced circuit
design provides superior harmonic performance
and an integrated digitally-controlled, multiple-stage
precision step attenuator enables system solutions to
meet DOCSIS power step accuracy requirements.
S29 Package
28-Pin QfN
5 mm x 5 mm x 1 mm
figure 1: functional Block Diagram
The ARA2017 supports output power levels of +64
dBmV while minimizing harmonic, distortion, and
output noise levels. Its precision attenuator provides
up to 58 dB of attenuation in 2 dB increments, which
is set by programming the register via a 3-wire serial
interface. The output stage current, a feature which
allows the device to be operated in reduced power
modes for extended backup battery life, is also
programmed through the 3-wire serial interface. The
ARA2017 is offered in a 28-pin 5 mm x 5 mm x 1 mm
QFN package.
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