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% Document Info
\author{tenoooo}
\pdfinfo{
  /Title (analog-filters.pdf)
  /Creator (Cheatography)
  /Author (tenoooo)
  /Subject (Analog Filters Cheat Sheet)
}

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\noindent
\begin{multicols}{3}
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    {\parbox{\dimexpr\textwidth-2\fboxsep\relax}{\noindent
        \hspace*{-6pt}\includegraphics[width=5.8cm]{/web/www.cheatography.com/public/images/cheatography_logo.pdf}}
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\begin{tabulary}{11cm}{L}
    \vspace{-2pt}\large{\bf{\textcolor{DarkBackground}{\textrm{Analog Filters Cheat Sheet}}}} \\
    \normalsize{by \textcolor{DarkBackground}{tenoooo} via \textcolor{DarkBackground}{\uline{cheatography.com/69508/cs/17555/}}}
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  \mymulticolumn{2}{p{5.377cm}}{\bf\textcolor{white}{Cheatographer}}  \\
  \vspace{-2pt}tenoooo \\
  \uline{cheatography.com/tenoooo} \\
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  \mymulticolumn{1}{p{5.377cm}}{\bf\textcolor{white}{Cheat Sheet}}  \\
   \vspace{-2pt}Published 22nd October, 2018.\\
   Updated 22nd October, 2018.\\
   Page {\thepage} of \pageref{LastPage}.
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  Measure your website readability!\\
  www.readability-score.com
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\begin{document}
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% www.emerson.emory.edu/services/latex/latex_169.html
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\begin{multicols*}{3}

\begin{tabularx}{5.377cm}{X}
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\mymulticolumn{1}{x{5.377cm}}{\bf\textcolor{white}{Filters}}  \tn
% Row 0
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\mymulticolumn{1}{x{5.377cm}}{Passive filters} \tn 
% Row Count 1 (+ 1)
% Row 1
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\mymulticolumn{1}{x{5.377cm}}{The circuits built using RC, RL, or RLC circuits.} \tn 
% Row Count 2 (+ 1)
% Row 2
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\mymulticolumn{1}{x{5.377cm}}{Active filters} \tn 
% Row Count 3 (+ 1)
% Row 3
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\mymulticolumn{1}{x{5.377cm}}{The circuits that employ one or more op-amps in the design an addition to resistors and capacitors} \tn 
% Row Count 5 (+ 2)
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\par\addvspace{1.3em}

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\mymulticolumn{1}{x{5.377cm}}{\bf\textcolor{white}{Active Filters}}  \tn
% Row 0
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\mymulticolumn{1}{x{5.377cm}}{Low-pass filters} \tn 
% Row Count 1 (+ 1)
% Row 1
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\mymulticolumn{1}{x{5.377cm}}{A low-pass filter is a filter that passes frequencies from 0Hz to critical frequency, fc and significantly attenuates all other frequencies. The critical frequency of a low-pass RC filter occurs when Xc = R and can be calculated using the formula: fc=1/2πRC} \tn 
% Row Count 7 (+ 6)
% Row 2
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\mymulticolumn{1}{x{5.377cm}}{High-pass filters} \tn 
% Row Count 8 (+ 1)
% Row 3
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\mymulticolumn{1}{x{5.377cm}}{A band-pass filter passes all signals lying within a band between a lower-frequency limit and upper-frequency limit and essentially rejects all other frequencies that are outside this specified band} \tn 
% Row Count 12 (+ 4)
% Row 4
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\mymulticolumn{1}{x{5.377cm}}{band-pass filter} \tn 
% Row Count 13 (+ 1)
% Row 5
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\mymulticolumn{1}{x{5.377cm}}{A high-pass filter is a filter that significantly attenuates or rejects all frequencies below fc and passes all frequencies above fc. The critical frequency of a high-pass RC filter occurs when Xc = R and can be calculated using the formula: fc=1/2πRC} \tn 
% Row Count 19 (+ 6)
% Row 6
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\mymulticolumn{1}{x{5.377cm}}{Bandpass} \tn 
% Row Count 20 (+ 1)
% Row 7
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\mymulticolumn{1}{x{5.377cm}}{The bandwidth (BW) is defined as the difference between the upper critical frequency (fc2) and the lower critical frequency (fc1). BW=Fc2-Fc1} \tn 
% Row Count 23 (+ 3)
% Row 8
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\mymulticolumn{1}{x{5.377cm}}{Center Frequency} \tn 
% Row Count 24 (+ 1)
% Row 9
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\mymulticolumn{1}{x{5.377cm}}{The frequency about which the pass band is centered is called the center frequency , f o and defined as the geometric mean of the critical frequencies. f0= √Fc1fc2} \tn 
% Row Count 28 (+ 4)
% Row 10
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\mymulticolumn{1}{x{5.377cm}}{Quality Factor} \tn 
% Row Count 29 (+ 1)
% Row 11
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\mymulticolumn{1}{x{5.377cm}}{The quality factor (Q) of a band-pass filter is the ratio of the center frequency to the bandwidth. Q = f0/BW} \tn 
% Row Count 32 (+ 3)
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\par\addvspace{1.3em}

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\mymulticolumn{1}{x{5.377cm}}{\bf\textcolor{white}{Active Filters (cont)}}  \tn
% Row 12
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\mymulticolumn{1}{x{5.377cm}}{Band-reject filters} \tn 
% Row Count 1 (+ 1)
% Row 13
\SetRowColor{white}
\mymulticolumn{1}{x{5.377cm}}{Band-stop filter is a filter which its operation is opposite to that of the band-pass filter because the frequencies within the bandwidth are rejected, and the frequencies above f c1 and f c2 are passed.} \tn 
% Row Count 6 (+ 5)
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\begin{tabularx}{5.377cm}{X}
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\mymulticolumn{1}{x{5.377cm}}{\bf\textcolor{white}{Bessel Filter}}  \tn
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\mymulticolumn{1}{x{5.377cm}}{\bf\textcolor{white}{Elliptic Filter}}  \tn
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\mymulticolumn{1}{x{5.377cm}}{\bf\textcolor{white}{Chebyshev LPF}}  \tn
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\par\addvspace{1.3em}


% That's all folks
\end{multicols*}

\end{document}