TAT2814A1L(2014) 데이터 시트보기 (PDF) - TriQuint Semiconductor
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TAT2814A1L Datasheet PDF : 12 Pages
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TAT2814A1L
DOCSIS 3.0 / Edge QAM Variable Gain Amplifier
Applications
• Integrated DOCSIS 3.0 / Edge QAM Amplifier Chain
• Forward Path Variable Gain Amplifier
Product Features
• Meets DOCSIS 3.0 With +4 dB Typical Performance
Margin
• < 5 Watt Nominal Power Consumption
• 45 – 1003 MHz Bandwidth
• Low-Reflection Differential Input / Output Stages
• 18 dB Typical Return Loss Across Gain Range
• Variable Gain Attenuator: 18 dB Typical Range
• 30 dB Typical Max Gain
• +49 dBm Typical OIP3
• 2.7 dB Typical Noise Figure
• Typical Input Stage Bias: +5 V, 290 mA
• Typical Output Stage Bias: +8 V, 415 mA
48-pin 7x7mm leadless SMT Package
Functional Block Diagram
General Description
The TAT2814A1L is an RFIC for DOCSIS 3.0 Output
Sections, such as CMTS and Edge QAM. It combines a
low-reflection differential input stage, a variable gain
attenuator and an efficient output amplifier to provide
significant reduction in power consumption and PC
board space. It replaces circuitry requiring up to 10x the
board space and 2x the power.
The TAT2814A1L meets the stringent DOCSIS 3.0
output linearity specifications with extra margin to
overcome additional losses before the output connector.
The TAT2814A1L is packaged in an industry standard
7 x 7 mm 48-pin leadless SMT package and consumes
5 W between a +5 V input amplifier supply and an +8 V
output amplifier supply. The TAT2814A1L utilizes proven
GaAs pHEMT to optimize performance and cost. It
allows the designer to optimize output stage voltage to
significantly reduce power consumption in Edge QAM
applications.
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Ordering Information
Part No.
TAT2814A1L
Description
DOCSIS 3.0 Edge QAM Variable
Gain Amplifier
TAT2814A1L-EB Evaluation Board
Standard T / R size = 1000 pieces on a 7” reel
Datasheet: Rev. H 11-12-14
© 2014 TriQuint
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