CBP-1645J+

Overview

The CBP-1645J+ is a ceramic coaxial resonator bandpass filter manufactured by Mini-Circuits using surface mount technology. It operates within a center frequency of 1645 MHz, covering a passband from 1616 to 1675 MHz with a bandwidth of 46 MHz. The component features a 50 Ohm impedance and an insertion loss of 2 dB. Packaged in the MQ1770 shielded case style, it is designed for narrow passband applications requiring high stability.

Feature Summary

• Utilizes ceramic coaxial resonator technology for stable filtering performance
• Shielded surface mount package design minimizes external interference
• Engineered for narrow passband signal selection

Applications

• RF signal processing circuits
• Communication systems requiring specific frequency isolation
• Test and measurement equipment filters

Procurement Notes

Verify the exact part number suffix against official Mini-Circuits documentation to ensure correct specifications. Confirm that the MQ1770 package dimensions align with your PCB layout requirements. Check for available evaluation boards such as TB-CBP-1645J+ for prototype testing before final integration.

Selection Notes

Select this component when a narrow bandpass characteristic around 1645 MHz is required. Ensure the system impedance matches the 50 Ohm specification. Consider the physical constraints of the MQ1770 package during mechanical design. Validate insertion loss tolerance against system link budget requirements.

Part Context

This model belongs to the Mini-Circuits CBP series of coaxial-ceramic resonator filters. These components are characterized by low profile designs and fractional bandwidths ranging from less than 1% to 25%. The series supports frequencies up to 6 GHz, offering robust solutions for RF filtering needs.

Replacement Considerations

Consult Mini-Circuits official substitution guides for compatible alternatives. Verify electrical parameters such as center frequency and bandwidth match exactly. Ensure package compatibility if direct pin-to-pin replacement is necessary.