4307-52

Attenuators Overview

The pSemi 4307-52 is a high-linearity, 5-bit RF Digital Step Attenuator (DSA) designed for wireless communication applications. It provides a total attenuation range of 15.5 dB in precise 0.5 dB steps across a frequency range of DC to 2.0 GHz. The device features an impedance of 75 Ohms and is housed in a 20-pin QFN package with exposed pad. This component supports digital control interfaces for dynamic signal adjustment.

Attenuators Feature Summary

• Provides 5-bit digital control for precise attenuation step adjustments
• Maintains high linearity performance across the operational bandwidth
• Supports 75 Ohm system impedance for specific RF circuit requirements

Attenuators Applications

• Wireless RF communication systems
• Radio frequency and microwave circuits
• Signal conditioning modules requiring variable attenuation

Attenuators Procurement Notes

Verify component status as obsolete before procurement planning. Confirm availability through authorized distributors or surplus channels. Ensure compatibility with existing 75 Ohm PCB layouts and 20-QFN footprint requirements during replacement sourcing.

Attenuators Selection Notes

Select this component when a 75 Ohm impedance match is required for RF paths operating up to 2 GHz. The 15.5 dB range with 0.5 dB resolution suits applications needing fine-grained signal level control. Consider pin compatibility with the PE4307 series if migrating from similar designs.

Attenuators Part Context

The 4307-52 belongs to the PE4307 family of digital step attenuators manufactured by pSemi. These devices are engineered for robust performance in demanding RF environments. The model specifically denotes the 75 Ohm variant within the broader product line.

Attenuators Replacement Considerations

The datasheet indicates pin compatibility with other PE4307 series variants. Verify electrical specifications against alternative sources to ensure functional equivalence in the target application.