ZX76-31R75PP-S+

Overview

The ZX76-31R75PP-S+ is a 50Ω digital step attenuator providing adjustable attenuation from 0 to 31.75 dB in 0.25 dB steps. It operates within a frequency range of 9 kHz to 6 GHz. The device features a 7-bit parallel control interface and utilizes SMA connectors. Maximum insertion loss is specified at 4 dB, with a power handling capacity of 1 Watt.

Feature Summary

• Adjustable attenuation resolution of 0.25 dB across the full range
• Wideband operation covering frequencies from 9 kHz to 6 GHz
• Digital control via 7-bit parallel input interface

Applications

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

Procurement Notes

Verify the specific suffix 'S+' indicates SMA connector configuration as documented. Confirm that the 7-bit parallel control logic matches system requirements. Ensure environmental ratings align with intended operating temperatures. Cross-reference datasheet specifications for insertion loss limits under varying thermal conditions.

Selection Notes

Select this component when precise digital attenuation control is required over a wide bandwidth. The 0.25 dB step size offers high resolution for fine-tuning signal levels. Verify that the 1 Watt power rating meets system peak power demands. Ensure the 50Ω impedance matches the surrounding RF circuitry to minimize reflections.

Part Context

This model belongs to Mini-Circuits' digital step attenuator series, designed for reliable performance in microwave applications. It serves as a programmable alternative to manual or analog variable attenuators. The device integrates multiple attenuation stages to achieve the total 31.75 dB range with high linearity.

Replacement Considerations

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