ARA1400S12CTR

Overview

The ARA1400S12CTR is a GaAs IC manufactured by Anadigics, designed for reverse path amplification and output level control in CATV Set-Top Boxes or Cable Modems. It functions as a narrow-band high-power amplifier with an integrated step attenuator. The device operates within specific RF parameters optimized for cable television applications, providing precise signal management in the upstream direction.

Feature Summary

• Provides reverse path amplification for upstream signals
• Integrates output level control via step attenuator
• Utilizes GaAs technology for efficient RF performance

Applications

• CATV Set-Top Box reverse path circuits
• Cable Modem upstream signal processing
• RF signal conditioning in hybrid fiber-coaxial networks

Procurement Notes

Verify the complete part number including suffix CTR against official Anadigics documentation to ensure correct packaging and tape-and-reel specifications. Confirm that the GaAs IC meets current RoHS compliance standards required for your manufacturing process. Cross-reference the datasheet revision to ensure compatibility with existing design files and test fixtures.

Selection Notes

Select this component when designing upstream paths requiring integrated gain control and attenuation capabilities. The GaAs construction supports high-frequency operation suitable for cable modem applications. Ensure the system impedance matches the specified 75 ohm load requirements for optimal power transfer and signal integrity in the reverse channel.

Part Context

This component belongs to Anadigics' portfolio of RF integrated circuits aimed at reducing size and weight in communication equipment. It addresses the need for reliable upstream signal processing in broadband access networks. The integration of amplification and attenuation functions simplifies circuit design compared to discrete solutions.

Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided source material. Verify pinout and electrical characteristics carefully if considering alternative manufacturers. Consult official distributor databases for direct replacements or updated series from the same manufacturer family.