Sites:
| ALK Engineering: Filter Design: Passive radio frequency filters, LC, comb-line, and interdigital. Offers two industry-standard filter design programs, and a freeware program for coil design. | | Electrical Engineering Software: Filter design software, microwave, RF, active OP-Amp filters. | | FILPRO: Microwave and RF filter and multiplexer design software. Provides detailed information about the product. | | Filter Solutions: Software solutions for passive, active, Tx line, IIR, and FIR filter design, synthesis, and analysis. | | OMICRON: Specializes in filter design software tools and consulting foractive, passive, and digital electronic filters. Description of company and presentation of the software. Download possible. | | Schematica Software: Filter design software for electronics engineers and technicians. Filter Wiz for active filter design; OpFil for both passive and active filter design. | | Tyder Ltd: Provides digital filter design software which can produce specialised filters e.g. Windowed FFT, Optimal FIR filters, and IIR filters. |
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