The PSB 2132 is a single-chip transceiver designed for digital voice and data transmission over ISDN (Integrated Services Digital Network) lines. Manufactured by Infineon Technologies, it offers a complete solution for implementing ISDN Basic Rate Access (BRA) functionality in various telecommunications and data communication equipment.

Applications

• ISDN Terminal Adapters (TAs)
• ISDN Network Termination (NT) devices
• ISDN PC cards
• Digital telephones
• Voice over IP (VoIP) gateways
• ISDN routers

Features

• Full-duplex data transmission at 144 kbps (2B+D channels)
• Integrated S/T interface transceiver
• Echo cancellation for improved performance on long lines
• Adaptive equalization to compensate for line impairments
• Framing and deframing of ISDN data
• D-channel protocol handling (LAPD)
• Clock recovery and synchronization
• Low power consumption
• Loopback test capabilities for diagnostics
• Supports various ISDN standards and protocols

Benefits

• Reduced system cost due to single-chip integration
• Improved performance and reliability through echo cancellation and equalization
• Simplified design and development process
• Lower power consumption for energy-efficient applications
• Enhanced interoperability with ISDN networks
• Faster time-to-market for ISDN products

Additional Details

The PSB 2132HV1.4D operates from a single 5V power supply. It uses a digital signal processing (DSP) core to perform echo cancellation, equalization, and other signal processing functions. The device communicates with a host processor via a serial interface. Its robust design and comprehensive feature set make it a suitable choice for a wide range of ISDN applications.