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Product Detailed Parameters
- Description：DR FILTER, GNSS
- Series：-
- Mfr：RFMi
- Package：Bag
- Frequency：1.57742GHz Center
- Impedance：50Ohm
- Bandwidth：2 MHz
- Insertion Loss：5dB
- Filter Type：Band Pass
- Mounting Type：Surface Mount
- Package / Case：2-SMD, Gull Wing
- Size / Dimension：0.315" L x 0.295" W (8.00mm x 7.50mm)
- Height (Max)：0.116" (2.95mm)
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Overview
The RFMi CDR6005 is a ceramic bandpass filter designed for Global Navigation Satellite System (GNSS) applications. It operates with a center frequency of 1.57742 GHz and features a bandwidth of 2 MHz. The component is engineered for a nominal impedance of 50 Ohms, ensuring compatibility with standard RF transmission lines. It is housed in a compact two-terminal surface-mount device (SMD) package, facilitating integration into space-constrained electronic designs requiring precise signal filtering for satellite navigation frequencies.
Feature Summary
- Designed specifically for GNSS signal processing applications
- Utilizes ceramic technology for stable RF performance
- Optimized for 50 Ohm system impedance matching
Applications
- Global Navigation Satellite System receivers
- GPS signal conditioning circuits
- RF front-end filtering modules
Procurement Notes
Verify the specific datasheet revision when sourcing, as manufacturer documentation may vary. Confirm that the required center frequency tolerance and insertion loss specifications meet your circuit design requirements before finalizing procurement. Ensure the surface-mount footprint matches your PCB layout constraints to guarantee proper assembly and electrical connectivity.
Selection Notes
Select this component when a narrow 2 MHz bandwidth is required around the 1.57742 GHz L1 band. Consider the SMD package size relative to available board space. Evaluate thermal stability requirements against the ceramic construction characteristics. Compare alternative filters if wider bandwidth or different center frequencies are needed for multi-band GNSS support.
Part Context
RFMi, now part of Akoustis Technologies, specializes in RF components using SAW, crystal, and ceramic technologies. The CDR series represents their ceramic filter line, distinct from their SAW resonators. These filters target wireless communication and navigation markets, providing reliable frequency selection for modern mobile and automotive electronics requiring high-performance RF filtering solutions.
Replacement Considerations
Publicly confirmed substitute part numbers for the CDR6005 are not available in the provided source material. Verify exact electrical parameters with potential alternatives to ensure compatibility with existing GNSS receiver architectures.
