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Product Detailed Parameters
- Description：LUMPED LC BPF, 138-238 MHZ, 50
- Series：-
- Mfr：Mini-Circuits
- Package：Tray
- Frequency：188MHz Center
- Bandwidth：100MHz
- Filter Type：Band Pass
- Ripple：-
- Insertion Loss：3dB
- Mounting Type：Chassis Mount
- Package / Case：SMA In line Module
- Size / Dimension：0.740" L x 0.750" W (18.80mm x 19.05mm)
- Height (Max)：0.490" (12.45mm)
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Overview
The ZX75BP-188-S+ is a lumped LC bandpass RF filter manufactured by Mini-Circuits. It features a center frequency of 188 MHz with a bandwidth of 100 MHz, covering the range from 138 MHz to 238 MHz. The component operates at a standard impedance of 50 Ohms and utilizes SMA connectors for inline installation. Typical insertion loss is specified at 1.8 dB, while typical passband return loss is 16 dB. The unit is housed in a compact metal case designed for free-hanging mounting.
Feature Summary
- Lumped LC circuit design for stable bandpass filtering performance
- Inline configuration with SMA connectors for direct signal path integration
- Compact metal housing suitable for free-hanging installation
Applications
- RF signal conditioning in communication systems
- Intermediate frequency (IF) filtering applications
- Spectrum analysis equipment input/output stages
Procurement Notes
Verify the specific datasheet version for the ZX75BP-188-S+ to confirm current electrical tolerances and mechanical dimensions. Ensure compatibility with 50 Ohm system impedance before integration. Check RoHS compliance status as indicated on official manufacturer documentation. Confirm connector gender and mating requirements for your assembly interface.
Selection Notes
Select this component when a narrow bandpass response centered at 188 MHz is required. The 100 MHz bandwidth provides sufficient selectivity for specific RF channels. Consider the 1.8 dB insertion loss impact on system noise figure. The SMA interface simplifies prototyping and testing compared to soldered alternatives.
Part Context
This part belongs to the ZX75BP series of lumped element bandpass filters from Mini-Circuits. The series offers various center frequencies and bandwidths using similar packaging and connector styles. These filters are designed for general-purpose RF and IF applications requiring reliable frequency selection in compact form factors.
Replacement Considerations
Direct substitutes within the same series include ZX75BP-138-S+ and ZX75BP-238-S+ for different center frequencies. Verify that alternative parts maintain the same 50 Ohm impedance and SMA connector type to ensure mechanical and electrical compatibility without circuit redesign.
