The PMB2258V1.1 is a monolithic integrated circuit from Infineon Technologies designed for use as a TDD-DECT RF transceiver. It integrates all the necessary components for a DECT (Digital Enhanced Cordless Telecommunications) radio frequency front-end, minimizing external components and simplifying design. This transceiver is engineered to meet the stringent requirements of DECT systems, offering reliable and high-performance wireless communication.

Applications

• DECT base stations
• DECT handsets
• Cordless phones
• Wireless PBX systems
• DECT-based wireless audio applications

Features

• Complete TDD-DECT RF transceiver
• Integrated VCO and synthesizer
• Low noise amplifier (LNA)
• High linearity mixer
• On-chip transmit power amplifier
• Fully integrated channel filters
• Low power consumption
• Small package size

Benefits

• Reduced BOM (Bill of Materials) cost due to high integration
• Simplified design and faster time-to-market
• Improved system performance with low noise and high linearity
• Extended battery life in portable applications due to low power consumption
• Compact solution for space-constrained designs
• Enhanced reliability and stability

Additional Details

The PMB2258V1.1 operates in the 1.88 GHz to 1.90 GHz frequency band, specific to DECT standards. It incorporates a highly sensitive receiver capable of detecting weak signals, ensuring reliable communication even in challenging environments. The integrated synthesizer offers fine-grained frequency control, allowing for precise channel selection. The transmit power amplifier delivers sufficient output power to cover typical DECT communication ranges. The device also includes various power-saving modes to optimize battery life. Its compact package allows for easy integration into various applications. Proper external matching and filtering may be required to achieve optimal performance in specific system configurations. The device uses a specific modulation scheme mandated by the DECT standard.