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• L...
ARA05050: 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...
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Features: * Integrated monolithic GaAs amplifier and stepattenuator.* Compatible with all digital ...
Attenuator Step Size (dB) Typ | 2 |
Attenuation Range (dB) Typ | 30 |
2nd Harmonic Distortion Level* (dBc) Max | -55 |
3rd Harmonic Distortion Level* (dBc) Max | -60 |
Gain (dB) Typ | 32.0 |
Noise Figure (dB) Typ | 1.7 |
Noise Figure (dB) Max | 2.5 |
Notes | * specified at +58 dBmV output |
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. ARA05050 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. ARA05050 is capable of meeting the MCNS/DOCSIS requirements for harmonicperformance 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.
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. ARA05050 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. ARA05050 is capable of meeting the MCNS/DOCSIS requirements for harmonic performance at a +58dBmV output level while requiring only a single polarity +5V supply.