Bessel filter: Filter providing the desired frequency response but with a constant time delay in the passband. Related posts: Primary filter or Surface filter Bandwidth Rocker arm Ignition lag Active Filter Misfit (interdependence constructs) Diesel Particulate Filter (DPF) Bypass filter Clutch Shock absorber Impression management Tappets Surge Push rod AT8401 Compression Ignition Engines Syllabus Performance Improvement Feedback AE8505 Control Engineering Syllabus AT8007 Noise, Vibration and Measurements Syllabus Valve train Read more articles Previous PostBase Bias Next PostBIFET Op Amp