PE43508A-V

Overview

The PE43508A-V is a 6-bit digital step attenuator manufactured by pSemi, designed for high-frequency RF applications. It operates within a frequency range of 9 kHz to 55 GHz and features a characteristic impedance of 50 ohms. The device provides a total attenuation range of 31.5 dB with optional step sizes of 0.5 dB and 1.0 dB. Key electrical specifications include a maximum insertion loss of 5.9 dB. The component is available in a die package format and supports an operating temperature range from -40°C to +105°C.

Feature Summary

• Utilizes UltraCMOS technology for enhanced performance
• Supports serial-addressable CMOS control interface
• Maintains high attenuation accuracy over frequency and temperature

Applications

• RF signal path management
• Test and measurement equipment
• Wireless communication systems

Procurement Notes

Verify the specific datasheet version and technical parameters directly with the manufacturer or authorized distributors before procurement. Confirm that the die package format aligns with your manufacturing capabilities and assembly requirements. Ensure compliance with RoHS status and environmental regulations applicable to your region. Cross-reference part numbers to avoid confusion with similar models in the series.

Selection Notes

Select this component when a wide bandwidth up to 55 GHz is required alongside precise digital control. Consider the die package type if surface-mount integration into custom substrates is planned. Evaluate the insertion loss and attenuation steps against system sensitivity requirements. Ensure the CMOS interface compatibility matches the controlling logic levels in the design.

Part Context

This model belongs to the PE43508 series of digital step attenuators from pSemi. These devices are engineered using patented UltraCMOS process technology on a sapphire substrate. The series is known for providing high linearity and low power consumption compared to traditional technologies. The PE43508A-V represents a specific configuration within this family optimized for broad frequency coverage.

Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation.