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a Windows® electrical filter design and analysis program handling all of the usual options (family, topology, bandwidth, etc.). It has a nice toolbox including real-time tuning modes and optimization. Outputs are presentation quality. |
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a Windows® meterscale drawing program to allow you to design and print professional-quality meter scales on your printer. Nice options include the ability to import a graphic (and resize and place it where you want), make a modern-looking "flattened" scale, use seriff or sans-serif fonts of any size and specify the scale colors. And lots more! |
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a Windows® electrical filter design and analysis program designed to expedite the design of lowpass and highpass filters using Standard Value Components (nearest-5% values). |
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a specialized Windows® filter design and analysis program designed for the serious radio amateur to expedite the design of optimized amateur-band output transmitter lowpass filters. |
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a Windows® program to help you design and analyze helical-resonator bandpass filters, usually used in the VHF and UHF frequency ranges. |
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a Windows® program to allow you to design and analyze diplexing networks using either the highpass/lowpass or the bandpass/bandstop topology. |
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a Windows® program to allow you to design and analyze PI-L matching networks. |
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an interactive Windows® program to allow you to design RF amplifiers using the single-ended topology. |
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an interactive Windows® program to allow you to design and analyze the active networks used for single-sideband signal generation. Accepts orders from two to ten, specified operating frequency range and analysis frequency range. Reveals sideband suppression, chain angles and angle differences. The program has a component-tuning mode. Arbitrary components may be used, or nearest 1% or 5% values and results seen. Writes Spice file. |
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This Windows® program allows you to print both great-circle (polar) and rectangular projections of maps of the world. Polar is as seen from a specified home location. Also shows the azimuth and distance to a specified target. Easy to enter new home or target locations. Shows/uses Maidenhead strings. |
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This Windows® program allows you to see a map of Region 2 (North, Central and South America) and see the locations and patterns of AM radio stations on a specified frequency. Scaleable mapsize and patternsize, specified map center, hardcopy, easy restart (setup is saved). Please note that no updates are planned for either this program or the associated database files. |
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Papers, AppNotes and miscellaneous programs | |
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Other technical sites you may find interesting or useful | |
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