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Q&A

Posts tagged low-pass-filter

Synonyms: LPF low-pass-filters

Subtag of filter

A low-pass filter (LPF) is a filter whose pass-band extends from 0Hz to a given cut-off frequency.

A signal applied to the input of an LPF is processed so that all its frequency components below the cut-off will pass through unaltered (ideally), whereas all components with higher frequency will be rejected (ideally).



This tag doesn't have a detailed wiki yet.

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Q&A How to calculate the RC filter of a TCXO for a RFIC reference?

I have a 30MHz TCXO circuit (TCXO datasheet) like this serving as local oscillator to a RFIC: The RFIC manufacturer recommends to "add filtering caps" for high RF output cases. That is >20d...

1 answer  ·  posted 2y ago by Lundin‭  ·  edited 8mo ago by Lorenzo Donati‭

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Q&A When do I need to put anti-aliasing filter in front of SAR ADC?

Signal characteristics are: 0 to 3.3V span 0 to 100Hz range( there will be noise superposed on top with unknown characteristics) Output resistance Rout=4700 ohm I want to sample that with a...

2 answers  ·  posted 2y ago by 2kind‭  ·  edited 8mo ago by Lorenzo Donati‭

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Q&A How to design a low-pass filter when certain conditions must be met

I am designing a low-pass filter with cut-off frequency = 100Hz and after the cutoff frequency from -3dB to -10dB the average decrease in db/Hz = -0.1 db/Hz.I know how to design a low-pass filter ...

2 answers  ·  posted 1y ago by MissMulan‭  ·  edited 1y ago by MissMulan‭