Low Pass Filters Low Pass Filters are passive components designed to pass signals below a defined cutoff frequency while attenuating frequencies above it. They help reduce frequency noise, improve signal integrity, and limit unwanted energy reaching downstream circuits. Key benefits Reduce frequency noise and EMI on signal lines Improve signal quality for audio, instrumentation, and control systems Protect downstream components from frequency transients and interference Easy to integrate into existing assemblies with standard mounting and interface options Available in multiple configurations to fit space and performance needs Key attributes Function: pass lowfrequency content with controlled attenuation of higher frequencies; cutoff frequency defined by each model Compatibility: suitable for analog, RF, instrumentation, and control applications; designed to align with common signal interfaces and mounting options as specified by the product Size: available in compact PCBmount and panelmount formats; dimensions vary by model Material: built from durable materials; options include metal shielded housings and sturdy plastic cases depending on model Performance: attenuation characteristics and slope described in the model data sheet; designed for reliable operation under typical conditions Use scenarios Audio equipment: place on the output path of a DAC or audio interface to suppress frequency noise and RF interference while preserving desired audio content Instrumentation and data acquisition: filter sensor and control signals before analogtodigital conversion to improve data quality and reduce measurement noise RF and communication systems: apply to frontend signal paths to attenuate outofband energy and help improve receiver selectivity and stability Notes Cutoff frequency and attenuation specs are defined per model in the data sheet Selection should consider the target signal bandwidth, desired attenuation slope, and mounting requirements