{"schemaVersion":1,"slug":"active-band-pass-filter","name":"Active band-pass filter","kind":"symbol","abbreviation":"BPF","aliases":["band pass analogue filter","bandpass amplifier"],"category":"logic-signals","drawingTypes":["Schematic"],"referenceFamilies":["Manufacturer"],"summary":"Passes an intended frequency band while attenuating content below and above that band.","description":["Passes an intended frequency band while attenuating content below and above that band.","On a schematic, identify the lower/upper response boundaries, order and gain definition and trace the selected-band output and receiving measurement circuit. Keep the component tag and signal/reference names consistent across the control drawing, terminal schedule and device documentation.","A band-pass filter selects a band; a notch filter instead rejects a defined band or frequency region.","The preview is an independently drawn educational functional reference. Add the selected component’s actual power pins, terminal numbers, timing or analogue reference details when producing a construction drawing."],"readingNotes":["Identify the lower/upper response boundaries, order and gain definition.","Trace the selected-band output and receiving measurement circuit."],"drawingChecklist":["Label the lower/upper response boundaries, order and gain definition.","Cross-reference the selected-band output and receiving measurement circuit.","Add the selected device or circuit documentation revision, power/reference connections and project signal convention."],"distinction":"A band-pass filter selects a band; a notch filter instead rejects a defined band or frequency region.","facts":[{"label":"Common schematic mnemonic","value":"BPF — descriptive only; project/device documentation defines reference designations."},{"label":"Terminal / interface focus","value":"The lower/upper response boundaries, order and gain definition"},{"label":"Artwork scope","value":"Original educational functional/circuit reference; not a selected product pinout."}],"references":[{"sourceId":"pub-electronics-ti-active-filters","relevance":"Public primary manufacturer documentation establishes the component function or circuit/topology relationship. Preview geometry and drafting explanations are independently authored."}],"related":["active-notch-filter","plc-io"],"artwork":"electronics-filter-band","publishedOn":"2026-10-14","updatedOn":"2026-10-14","provenance":"independent-public-research","url":"https://eloragrid.ai/symbols/active-band-pass-filter","illustration":{"url":"https://eloragrid.ai/library/illustrations/active-band-pass-filter.svg","scope":"Original educational concept; not an official standard graphic or product footprint","license":"https://creativecommons.org/licenses/by/4.0/"},"sources":[{"id":"pub-electronics-ti-active-filters","title":"Basic Linear Design, Chapter 8: analogue filter response families","publisher":"Analog Devices","url":"https://www.analog.com/media/en/training-seminars/design-handbooks/Basic-Linear-Design/Chapter8.pdf","type":"manufacturer","scope":"Public primary handbook context for low-pass, high-pass, band-pass and band-rejection responses. The miniature response sketches are original conceptual illustrations, with no claimed cutoff, order or component values.","checkedOn":"2026-10-14","reuse":"link-only","relevance":"Public primary manufacturer documentation establishes the component function or circuit/topology relationship. Preview geometry and drafting explanations are independently authored."}]}