rf filters

rf filters

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• To transform ot not to transform - Feed Lines - Transmission lines have many uses other than simply transferring RF power from one point to another. Impedance matching, baluns and filters are probable the most common of these.
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• Coax Stubs and Band Pass Filters - Will additional coax stubs improve Band Pass Filter performance?
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• Coax Stubs for 20m and 40m - When operating contest in a multi transceiver environment interferences between the 40m and 20m are guaranteed. An easy and inexpensive way to reduce interferences is to add coax stub filters
  [ Hits: 243 | Votes: 4 | Rating: 8.5 ]

• R3KBO EB104.ru Amateur Radio Products - R3KBO is an amateur radio club producing and developing amateur radio kits and assembled products including HF VHF Power Amplifiers or RF Power Kits and amplifier parts, low pass filfers, band pass filters, sourge protections, splitters and combiners, antenna switches
  [ Hits: 513 | Votes: 1 | Rating: 10 ]

• L-com - WiFi Antenna, WiFi Amplifier, RF Splitters, RF FIlters, Adapter, Video Cable and Custom Connectivity Products
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• RF inquiry - Realization of confortable communications. RF Filters
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• K-Y Filter Company - Modem Telephone Super Filters For HF and AM Radio Interference.
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• Olympix - Performance RFI Filters that work right at the noise sources, ferrite cores.
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• Anatech Electronics - Anatech Electronics manufactures RF filters for communication systems, Military and commercial, as well as RF filters for Wireless applications. Products include, Band pass filters, Duplexers, Low pass, high pass and bandstop filters. Additional products such as RF cable assembly also available.
  [ Hits: 282 | Votes: 1 | Rating: 10 ]

• Ucchino Produzioni Elettroniche - Ucchino is an Italian manufacturer of electronic cirucits inclunding Digiham amateur radio USB interface for digital modes, morse code oscillator, filters and RF protectors
  [ Hits: 188 | Votes: 0 | Rating: 0 ]

• Cobham Microwave - Cobham Microwave has a long term experience in Microwave Systems and Components. Their five areas of capabilities are Systems and Components: Diodes & Modules, Ferrite Devices, RF Filters, and Waveguides.
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• Martek Power - Martek Power designs and manufactures a wide of high performance power supplies for various industries. Power supplies AC-DC, DC-AC inverters, DC-DC, EMI Filters
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• 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 ]

• Ham Goodies - Amateur Radio goodies for not only the Shack, but also a range of outdoor/portable kit. Ferrite toroids, RTL SDR, Un-uns and Baluns for antennas and RF Filters. Based in the UK.
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• 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
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• 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.
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• RF filter basics tutorial - an overview, introduction or tutorial about the basics of electronics filters including the types of filter and the various filter design considerations and parameters
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• Tektronix Compatible Tracking Generator - A spectrum analyzer is always an usefull amateur radio test equipment that should be present in a radio shack. Hams can use it for testing frequency response of filters, amplifiers, and other two-port RF devices. This article illustrate a tracking generator compatible with any spectrum analyzer in the Tektronix 490- and 2750-series lineups
  [ Hits: 188 | Votes: 0 | Rating: 0 ]

• Television Notch Filters - Intersting article about TV interference, with several examples of TVI Filters, to reduce the passage of any RF above the 30 MHz including commercial Low Pass Filters, home made notch filters or coaxial filters.
  [ Hits: 454 | Votes: 2 | Rating: 3 ]

• RF Probe Project - If you needed the ability to quickly measure RF voltage for tuning filters and cavities this RF Probe probe is for you
  [ Hits: 438 | Votes: 1 | Rating: 9 ]

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