Filters

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Filters

179 links - and 4 categories

Antennas : Coils
  • Coil Winding Tips - Tips on winding wire coils used as inductive loads, traps, band-pass filters, are implemented in a number of amateur radio projects especially antenna projects
    [ Hits: 875 | Votes: 7 | Rating: 6 ]
Antennas : Feed Lines : Coax Stubs Manufacturers : Cable and Connectors
  • L-com - WiFi Antenna, WiFi Amplifier, RF Splitters, RF FIlters, Adapter, Video Cable and Custom Connectivity Products
    [ Hits: 299 | Votes: 0 | Rating: 0 ]
Manufacturers : Filters
  • 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: 281 | Votes: 1 | Rating: 10 ]
Manufacturers : QRP Kits
  • HF Projects Kits - Provide service, quality home construction projects, travel antennas, masts and bases, hf and vhf amplifiers, low pass filters and z-match tuners
    [ Hits: 748 | Votes: 0 | Rating: 0 ]
Radio Equipment : HF Transceivers : Yaesu FT-950 Shopping and Services : Amateur Television
  • Harlan Technologies - Producers of custom name tags, luggage tags, club badges, Employee Name Tags, Special Event Badges, but also Comtech Amateur Radio Television Transmitters and Receivers D480 filters, Video cameras and accessories.
    [ Hits: 366 | Votes: 0 | Rating: 0 ]
Software : Android : DX Cluster
  • DX Cluster for Android - Get live DX spots on your Android device. DX Cluster for android is a real time DX spots client, show different bands and mode filters, a country filter for spotter or the spots, prefix or call sign alarms. Download from Wolphi Solutions
    [ Hits: 993 | Votes: 2 | Rating: 5 ]
Software : Filter Design
  • ScopeIIR - 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.
    [ Hits: 777 | Votes: 2 | Rating: 5.5 ]
Technical Reference : Calculators
  • FIlters calculator - Passive Band-Pass Filter, low-pass filter calculator
    [ Hits: 415 | Votes: 3 | Rating: 2.33 ]
Technical Reference : Filters
  • Bandpass filters design - How to design narrowband bandpass filters
    [ Hits: 808 | Votes: 4 | Rating: 2 ]
  • Roofing Filters - An Introduction to Roofing Filters by ACØC
    [ Hits: 516 | Votes: 0 | Rating: 0 ]
  • Use Band Pass Filters to clean up Signals - Clean Up Your Signals with Band-Pass Filters, a two-parts article published in this PDF file from a June 1998 QST article
    [ Hits: 782 | Votes: 1 | Rating: 1 ]
Technical Reference : Radio Frequency Interference
  • TVI Filters - High pass filter schematics for TVI and examples of finished filters
    [ Hits: 1006 | Votes: 5 | Rating: 7.6 ]
Technical Reference : TVI Filters
  • TVI filters - Examples of absorbtive low-pass filters in which the unwanted high-frequency energy is separated from the wanted output and then dissipated in matched resistors
    [ Hits: 356 | Votes: 0 | Rating: 0 ]
  • TVI Filters for 2m and 70cm - The TVI filters described in this page worked very well in curing a TVI problem on 2m abd 70cm
    [ Hits: 371 | Votes: 1 | Rating: 10 ]
  • 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 ]
Technical Reference : Test Equipment : RF Probe
  • 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 ]
Technical Reference : Test Equipment : RF Sweep Generator
  • A Heterodyne Sweep Generator - A Simple unit which can be used to plot the Response of IF Filters and IF Channels
    [ Hits: 823 | Votes: 4 | Rating: 4 ]

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