The PEB2085N, manufactured by Infineon Technologies, is a single-chip ISDN Echo Canceller device designed for digital signal processing in telecommunications applications. It plays a crucial role in ensuring high-quality voice communication over Integrated Services Digital Network (ISDN) lines by eliminating echoes that can degrade the user experience. This device is a key component in building robust and reliable ISDN infrastructure.

Applications:

• ISDN Terminal Adapters
• ISDN Line Cards
• Digital Telephones
• Voice over IP (VoIP) Gateways
• PBX (Private Branch Exchange) Systems

Features:

• Single-chip ISDN Echo Canceller
• Compliant with ITU-T G.165 and G.168 recommendations for echo cancellation
• Adaptive echo cancellation algorithm
• Low power consumption
• Digital signal processing (DSP) core
• Provides full-duplex operation
• Supports various ISDN standards
• Programmable parameters for flexible configuration

Benefits:

• Improved Voice Quality: Eliminates echoes, ensuring clear and natural voice communication.
• Enhanced User Experience: Provides a seamless and comfortable communication experience for ISDN users.
• Reduced Network Congestion: By canceling echoes, the device helps to optimize bandwidth utilization and reduce network congestion.
• Cost-Effective Solution: Single-chip design reduces the number of external components required, leading to lower system costs.
• Compliance with Industry Standards: Meets ITU-T G.165 and G.168 standards, ensuring interoperability and compliance with international telecommunications regulations.

Additional Details:

The PEB2085N utilizes an adaptive echo cancellation algorithm to accurately identify and remove echoes from the signal path. This algorithm continuously adjusts its parameters to adapt to changing network conditions and ensure optimal echo cancellation performance. The device also features low power consumption, making it suitable for use in a wide range of ISDN devices. It supports a variety of ISDN standards, including Basic Rate Interface (BRI) and Primary Rate Interface (PRI). The device is typically packaged in a small form-factor package for easy integration into ISDN equipment.