Filters

Filters

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• Filter Concepts - Custom EMI Filters, AC DC Three phase filters by Filter Concepts Inc.
  [ Hits: 350 | Votes: 0 | Rating: 0 ]
• K-Y Filter Company - Modem Telephone Super Filters For HF and AM Radio Interference.
  [ Hits: 355 | Votes: 0 | Rating: 0 ]
• Olympix - Performance RFI Filters that work right at the noise sources, ferrite cores.
  [ Hits: 299 | Votes: 0 | Rating: 0 ]

• NexTek - Lightning Arrestors, High current filters manufacturer
  [ Hits: 303 | Votes: 0 | Rating: 0 ]

• Cross Country Wireless - UK manufacturer of ham radio accessories, including TNX, SDR receivers, RF Diplexers Triplexers, bandpass filters, iambic memory keyers.
  [ Hits: 1337 | Votes: 3 | Rating: 7 ]

• Audio filters and speakers - Review of common audio speakers for mobile setups
  [ Hits: 534 | Votes: 0 | Rating: 0 ]

• MPFilters for FT-1000MP - MPfilters is a Windows-based program which enables you to select the Yaesu FT-1000MP and FT-1000MP Mark V main receiver and sub receiver IF filters via the radio’s CAT port
  [ Hits: 781 | Votes: 1 | Rating: 10 ]

• Yaesu FT-920 Narrow filters mod - CW and SSB INRAD narrow filters modification
  [ Hits: 662 | Votes: 1 | Rating: 10 ]

• Radius Power - DC Filters - DC filters from radius power are specifically optimized for applications with DC supply like e.g. photovoltaic inverters. Radius Power provides total power solutions, EMI filters solutions from design to manufacturing, Three Phase, Single Phase, Power Line, IEC inlet, Power entry modules Filters.
  [ Hits: 280 | Votes: 2 | Rating: 8 ]

• MiniKits.com.au - Australia's largest range of Electronic Kits & Components In Stock for the Radio Experimenter, ATV, microwaves, HF Band pass filters
  [ Hits: 837 | Votes: 0 | Rating: 0 ]

• EvoSpice - A numerical optimizer (solver) for LTSpice IV. Uses a fast evolutionary algorithm. You can use EvoSpice to design high efficiency power supplies, audio filters, low noise RF amplifiers and an endless list of other applications
  [ Hits: 567 | Votes: 0 | Rating: 0 ]

• Couplings Designer - Couplings Designer for iPhone. Modern advanced filter synthesis using coupling matrix techniques. There's a free LITE version limited to 4th order filters.
  [ Hits: 399 | Votes: 2 | Rating: 5.5 ]

• Stub HF filter - Multi transmitter filters for HF Bands
  [ Hits: 535 | Votes: 0 | Rating: 0 ]
• Filtering of the Icom IC-775 DSP - Replacing filters on ICOM IC 775
  [ Hits: 517 | Votes: 5 | Rating: 6.4 ]
• PC Board Filters - Offer performance comparable to tin-box filters, and except for being bigger, stack up pretty well with those expensive little helical jobs. You just have to be able to make your own PC boards.
  [ Hits: 379 | Votes: 0 | Rating: 0 ]
• Bandpass Filters for Portable Usage - These are QRP rated 3 Pole Butterworth filters based on a design by K4VX, feature simplicity, almost no insertion loss, and reasonable rejection on the other ham bands.
  [ Hits: 534 | Votes: 0 | Rating: 0 ]
• 23 cm filters - 2 filter designs a 3-pole and a 5-pole
  [ Hits: 428 | Votes: 1 | Rating: 1 ]
• Homebrew Crystal Filter Design - Desgining crystal filters and find out crystal data by measuring it.
  [ Hits: 686 | Votes: 7 | Rating: 7 ]
• About Cavity Filters - Cavity filters are tipically circuitry behind a duplexer that allow only certain frequencies to pass
  [ Hits: 470 | Votes: 3 | Rating: 5.33 ]

• Guide to Harmonic Filters for QRP Transmitter - A Short Guide to Harmonic Filters for QRP Transmitter Output. - George Dobbs G3RJV
  [ Hits: 541 | Votes: 2 | Rating: 9.5 ]

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