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Electronic Filter Symbols

Electronic filters are analog or digital devices that let one frequency or band of frequencies through while blocking others. By modifying both amplitude and phase, unwanted characteristics in the signal are eliminated. 

Symbols of Electronics Filters

Symbol Description Symbol Description
Electronic filter symbol Electronic filter
Generic symbol
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  HPF - High-pass filter symbol High-pass filter - HPF
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LPF - Low-pass filter symbol Low-pass filter - LPF
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  BPF - Band-pass filter symbol Band-pass filter - BPF
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Band-cut filter symbol Band-stop filter
Band-cut filter
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  Variable short-band filter symbol Variable short-band filter
Symbol of the bandpass filter with variable center frequency Bandpass filter with variable center frequency   Symbol of Bandpass filter with variable selectivity control Bandpass filter with variable selectivity control

Symbols of Signal of Electronic Filters

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HPF - High-pass filter symbol High-pass filter - HPF   LPF - Low-pass filter symbol Low-pass filter - LPF
BPF - Band-pass filter symbol Band-pass filter - BPF   Bandstop filter symbol Band-stop filter
Ferrite cores
Picture gallery of electric filters
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