AB948B940

Overview

The AB948B940 is a cavity bandpass filter manufactured by Anatech Electronics Inc. It operates within a passband frequency range of 944-952 MHz, centered at 948 MHz with an 8 MHz bandwidth. The component features a maximum passband insertion loss of 1.0 dB and a return loss of 18-20 dB. Designed as an RF module, it provides signal filtering capabilities for radio frequency applications requiring precise frequency selection and attenuation of out-of-band signals.

Feature Summary

• Cavity construction for stable RF performance
• Bandpass filtering functionality
• Module form factor

Applications

• Radio frequency signal processing
• Communication systems filtering
• RF module integration

Procurement Notes

Verify the specific datasheet version from Anatech Electronics Inc. to confirm mechanical dimensions and mounting requirements. Ensure compatibility with system impedance and connector types before procurement. Cross-reference part numbers with official manufacturer documentation to avoid counterfeit components.

Selection Notes

Select this component when a fixed center frequency of 948 MHz is required. Consider the 1.0 dB insertion loss limit for power budget calculations. Evaluate the 18-20 dB return loss against system VSWR requirements. Confirm that the cavity package size fits the intended enclosure constraints.

Part Context

Anatech Electronics Inc. specializes in RF and microwave filters. This company designs and manufactures components for various communication and electronic applications. The AB948B940 represents their cavity filter product line, focusing on reliable frequency selection for professional RF environments.

Replacement Considerations

Check for direct substitutes with identical 944-952 MHz specifications. Verify matching insertion loss and return loss parameters. Ensure physical footprint compatibility if space is constrained. Consult manufacturer cross-reference lists for approved alternatives.