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ARA2017 Datasheet(PDF) 1 Page - ANADIGICS, Inc |
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ARA2017 Datasheet(HTML) 1 Page - ANADIGICS, Inc |
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1 / 17 page  11/2012 ARA2017 Programmable Gain Amplifier DATA SHEET - Rev 2.1 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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