Amateur Radio Filter Design Programs and Tools
Find software and online tools for designing active, passive, and digital filters for various ham radio applications.
Designing filters is a core task for many ham radio operators, whether building a new transceiver, improving receiver selectivity, or cleaning up a station's transmitted signal. Proper filter design helps eliminate unwanted interference, ensures signals stay within their assigned bands, and optimizes performance for various amateur radio activities like DXing or contesting.
This category offers software tools for designing a wide range of filters, from simple passive RLC circuits to complex active and digital filters. Operators can find programs like AADE Filter Design for Butterworth and Chebyshev prototypes, or specialized tools for microwave and RF filters such as FILPRO. There are also online FIR filter design applications and mobile apps like Couplings Designer for advanced synthesis using coupling matrix techniques.
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Simple inexpensive program that allows L-C filters designed by PCFILT or S/FILSYN which are to be built using air wound inductors and single layer capacitors cut from alumina or duroid substrate materials -
ADE Filter Design and analysis is a free for download windows program to design filters -
Active filter design software for windows, AktivFilter 3 for the design of active filters tuned on the opamp type. -
Alk engineering - filter design software and consulting -
The most flexible and powerful Microwave and RF Filter and Multiplexer Design Software. Download Filpro-student.zip -
A free computer aided design program to help users without special expertise in filter design to create filters using Linear Technology's monolithic filter ICs. With FilterCAD, you can design lowpass, highpass, bandpass and notch filters -
HamCalc is a free collection of calculators for radio amateurs include Antenna ERP calculations, Attenuators, Audio Filter design, Coil Winding, Decibels, Great Circles map and calculator, HF Filters, HF Traps, Metric conversions OP Amps QRA Locator to Latitude/Longitude, Radio Horizon calculator, Resonance Satellite orbit calculator Timer calculations (555 timer)Zener Diode calculations Download zip By G4VWL -
Leading supplier of low and high frequency electronic filter design products for the design of wireless telecommunications equipment, semiconductors and more -
ScopeIIR: an Infinite Impulse Response (IIR) digital filter design tool for Windows. It designs high-order IIR filters based on analog filter prototypes, and can design lowpass, highpass, bandpass, and bandstop filters. -
Free windows comprehensive tool for Finite Impulse Response (FIR) filter design -
Windipoles is a free passive real time filter simulator. Developed under Visual Studio .NET. No software installation required. Allows design, analysis, optimizations and plots, all graphically. -
Filter Free is the shareware version of Filter Solutions and Filter Light. Filter Free is limited to 3rd order or lower low and high pass filters, 2nd order or lower band pass and band stop filters, and 10 tap or lower FIR filters, and does not include most of the advanced design capabilities of Filter Solutions and Filter Light. -
TFilter is a free online tool for designing linear phase, optimal, equiripple finite impulse response (FIR) digital filters. It utilizes the Parks-McClellan algorithm implemented in JavaScript. Users can specify the sampling frequency, desired number of taps, passbands, and stopbands to generate a filter. An example configuration is provided for easy testing.