band pass filter

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band pass filter

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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: 681 | Votes: 2 | Rating: 3 ]
Antennas : K9AY
  • K9AY 160m 80m receiving loop antenna - A K9AY loop antenna project done with Far Circuits pc boards for the antenna switch and bandpass filter and preamp by K7SFN
    [ Hits: 831 | Votes: 0 | Rating: 0 ]
Antennas : Tuners
  • A Homebrew Z-Match Transmatch - A home made antenna tuner based on the W6JJZ basic concept that ,atches balanced loads without the use of lossy baluns, can provide band-pass filtering and harmonic attenuation.
    [ Hits: 718 | Votes: 0 | Rating: 0 ]
Manufacturers : Amplifiers
  • 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: 99 | Votes: 0 | Rating: 0 ]
Manufacturers : Antennas : HF
  • HyEnd Company - HyEnd is a dutch amateur radio antenna manufacturer. Makers of the popular HyEndFeed Antennas, produce Baluns, bandpass filters and selle Line isolators, coax cables and connectors.
    [ Hits: 90 | 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: 162 | Votes: 0 | Rating: 0 ]
Radio Equipment : HF Transceivers : Icom IC-706 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: 632 | Votes: 2 | Rating: 5.5 ]
Technical Reference : Calculators
  • FIlters calculator - Passive Band-Pass Filter, low-pass filter calculator
    [ Hits: 322 | Votes: 1 | Rating: 2 ]
Technical Reference : Duplexers
  • VHF-UHF Diplexer - Diplexer is a passive device, a special filter circuit that seperates 2 different bands, not to be confused with the duplexer that usually separate 2 different frequencies on the same band.
    [ Hits: 700 | Votes: 2 | Rating: 5 ]
Technical Reference : Filters
  • 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: 565 | Votes: 0 | Rating: 0 ]
  • Coax Stubs and Band Pass Filters - Will additional coax stubs improve Band Pass Filter performance?
    [ Hits: 471 | Votes: 1 | Rating: 2 ]
  • Bandpass filter - A simple project for an effective home made band pass filter, designed for the portable field day usage
    [ Hits: 512 | Votes: 2 | Rating: 9 ]
  • Contest Bandpass Filters - Build a set of W3NQN filters for multi-operator contesting
    [ Hits: 465 | Votes: 0 | Rating: 0 ]
  • W3NQN TX filters - Building the W3NQN bandpass filters
    [ Hits: 239 | Votes: 0 | Rating: 0 ]
  • Tunable BandPass Filter - A homemade tunable bandpass filter for all HF bands from 160m to 10m
    [ Hits: 770 | Votes: 1 | Rating: 4 ]
  • 30 Meter Band Pass Filter - A homemade band pass filter for the 30 meter band based on the original VE7BPO design
    [ Hits: 351 | Votes: 1 | Rating: 6 ]
Technical Reference : HF Radios
  • PT40 7 MHz Transceiver by AA3SJ - Home made 40 meter transceiver project. The receiver is a Progressive Receiver with a few modifications. The Transmitter is a modified MFJ Cub circuit. Includes schematic and circuit diagrams for Receive Input Filter, 3-Pole 500 Hz Cohn Filter and 7 MHz Double Tuned Bandpass Filter
    [ Hits: 76 | Votes: 0 | Rating: 0 ]
Technical Reference : TVI Filters
  • 144 Mhz Stop band TVI filters - A High pass filter will not help, use a stop-band filter to notch out the beast.
    [ Hits: 432 | Votes: 0 | Rating: 0 ]
Technical Reference : Test Equipment : RF Sweep Generator
  • RF Sweep Generator - Hand made RF sweeper made to adjust the pass band of crystal filter
    [ Hits: 388 | Votes: 0 | Rating: 0 ]

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