PE70A3900

Overview

The PE70A3900 is a 30 dB programmable step attenuator manufactured by Pasternack. It features SMA female connectors and operates with 1 dB resolution steps. The device supports USB control for precise attenuation management. It functions within a frequency range extending up to 18 GHz, with specific operational data confirming performance at 3 GHz. The unit is rated for standard RF interconnect applications requiring controlled signal reduction.

Feature Summary

• Programmable attenuation control via USB interface
• SMA female connector configuration for seamless integration
• High-frequency operation capability up to 18 GHz

Applications

• RF test and measurement systems
• Signal path calibration setups
• Automated testing environments requiring variable attenuation

Procurement Notes

Verify the specific firmware version and USB control protocol compatibility with your host system before procurement. Confirm that the SMA female interfaces match your existing cable assemblies. Ensure the operating environment remains within the specified temperature and humidity limits to maintain accuracy. Check for any required driver software updates from the manufacturer to ensure stable communication over the USB connection.

Selection Notes

Select this model when precise, digitally controlled attenuation is required in high-frequency applications. The 1 dB step resolution offers fine-grained control compared to coarse rotary alternatives. Consider the USB interface requirement if wireless or remote control is necessary. Verify that the 30 dB maximum attenuation range meets your specific signal loss requirements without excessive cascading of fixed attenuators.

Part Context

This component belongs to the Pasternack RF Variable Attenuators series, specifically designed as a connectorized attenuator. It falls under the broader category of interconnects used in radio frequency engineering. The product line emphasizes precision and programmability for modern electronic test equipment and communication systems.

Replacement Considerations

No public confirmed substitute part numbers are available in the provided documentation. Users should verify mechanical dimensions and electrical specifications against existing designs if considering alternative brands.