Filters: overview 
Active Filter
Calculator Bandpass with OpAmp, Active Low Cut Filter with OpAmp, Active
High Cut Filter with OpAmp 
Audio
filter designer enter bandwith, voltage gain and type of filter

Active
Filters with operational amplifiers Design of active filters with
operational amplifiers 
Butterworth thirdorder crossover formulas and calculator 
Butterworth 4thorder crossover formulas and calculator 
Butterworth filter design Butterworth lowpass and highpass filter synthesis 
Butterworth
filter design (RF) Butterworth lowpass filter, highpass filter and
bandpass filter 
Butterworth lowpass and highpass filter synthesis 
Design of
Crystal Ladder Filters 
Digital
filter design applets and DSP tutorials
each filter design tool is a Java Applet which provides an interactive
design method and a frequency response calculator that graphs amplitude,
phase, and group delay 
Electronic
crossover schematic and calculator electronic crossover schematic and
calculator 
Filters
RC filtres, PI filtres, T filtres, OPamps, en Français 
HF
filter designer calculates component values for HF network filters 
Higher Order
Analog Butterworth Filter Designs First Order (6db/octave) TwoWay
Crossover, Second Order (12db/octave) TwoWay Crossover, Third Order
(18db/octave) TwoWay Crossover, Fourth order (24dB/octave) TwoWay
Crossover, Zobel Circuit (Impedance Stabilization), Lpad (Speaker
Attenuation) 
LC filter design an interactive design package for designing analogue
filters made of inductors and capacitors 
LC filter designer
allows the user to design simple radio frequency filters with inductors and
capacitors, Design an LC Low pass or High pass Filter 
LC tuned circuit resonant frequency calculator 
Passive
crossover calculators formulas to calculate for first, second, and third order low pass, high
pass, and band pass filters 
Quadripôle
adaptateur d’impédance en Français 
RIAA curve designer
RIAA calculator 
RF database
 filter design Prototype Filter Design, LPF (Low Pass Filter), HPF
(High Pass Filter), BPF (Band Pass Filter), BSF (Band Stop Filter) 
Horizontaal 
Filters: topics 
1st Order Filter
Design for lowpass and highpass filters. The calculators create analog
component values, analog and digital filter coefficients 
2nd Order Filter Design
for lowpass, highpass, bandpass and bandstop filters. The analog and digital
filters are biquad filters. The calculators create analog component values,
analog and digital filter coefficients 
2way crossover designer 
3pole
Butterworth characteristic bandpass filter calculator designs simple
3pole bandpass filters (only L/C components!) 
Active
LowPass Filter Design and Dimensioning This utility written in Javascript
shall help you to quickly design and dimension your active SallenKey or
Multiple Feedback topology lowpass filter 
Active
HighPass Filter Design and Dimensioning This utility written in Javascript
shall help you to quickly design and dimension your active SallenKey or
Multiple Feedback topology highpass filter 
Audio Stereo Speaker
Cabinet Design Calculator 
Band Pass
Filters Band Pass Filters, This program computes the ideal component values
for the Band Pass Filter when given the image impedance level, frequency and the
desired Q (Q = Frequency / Bandwidth) 
Basic Stereo Speaker
Crossover Inductor Calculator 
Butterworth filter design radio frequency, low pass filter 
Butterworth Pi LC High Pass Filter Calculator Butterworth Pi LC High
Pass Filter Calculator 
Butterworth Pi LC Low Pass Filter Calculator Butterworth Pi Low Pass
Filter Calculator 
Butterworth Tee LC High Pass Filter Calculator 
Butterworth Tee LC Low Pass Filter Calculator 
Capacitancefrequencyinductance
calculator 
Chebyshev BPF
Calculator Chebyshev BPF Calculator 
Chebyshev HPF
Calculator Chebyshev HPF Calculator 
Chebyshev Pi LC Low Pass Filter Calculator 
Chebyshev Pi LC High Pass Filter Calculator Chebyshev Pi LC High Pass
Filter Calculator 
Chebyshev Tee LC High Pass Filter Calculator 
Crossover Design
Crossover Design. Passive 6 dB to 24 dB audio crossover design program ...
The 3way calculator is limited to bandspreads between 2 and 32 octaves 
Crossover
parts calculator enable you to easily determine the values of the
crossover network you are looking to build 
HPF
(High Pass Filter) 
LPF (Low
Pass Filter) Butterworth, Checyshev 
Maximally Flat
HPF Calculator 
Maximum power (resonance) in series RLC circuits maximum power (resonance) in series RLC circuits 
Narrow band
pass calculator allows you to design Narrow Band Pass crossover networks 
Parallel
Notch filter designer 
Passive
Crossover Design Calculator Passive Crossover Design Calculator 
Pi Network Designer
Enter source impedance Ohms, Enter load impedance Ohms, Enter desired Q,
Enter the operating frequency 
SallenKey low pass Butterworth filter calculator this calculator
calculates the capacitor values for a SallenKey low pass Butterworth
filter. The SallenKey filter is a simple active filter based on opamps
stages, which is ideal for filtering audio frequencies 
SallenKey Active Butterworth Low
Pass Filter Calculator 
SallenKey Active Butterworth
High Pass Filter Calculator 
Series Notch filter designer
Series Notch filter 
Tnetwork tuner
simulator applet 
Tuned
circuit calculator 
Zobel networks
calculator a Zobel is a special circuit designed to compensate for the
rise in impedance that occurs at or near the resonant frequency of a speaker 
Horizontaal 

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Last updated on:
20110102

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