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39 links about hf filter on dxzone.com

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Manufacturers : Accessories
  • Gisela Dierking NF/HF-Technik Germany - Many interessting accessories, like unversal audiofilter, Mixer interface for sound card, highvoltage powersupply,accessories for 706, hamradio vacation, and more
    [ Hits: 1575 | Votes: 6 | Rating: 7.67 ]
  • Eurofrequence Dierking NF HF Technik - UFB Hamradio audio filters and more accessories
    [ Hits: 528 | Votes: 7 | Rating: 9.14 ]
Manufacturers : Amplifiers
  • RFAC Solutions - RF Connectors Cable Assembly Attenuators Filters High Power VHF Amplifiers, Adapters MMCX MCX SMA SMB SMC BNC TNC N from RFAC Solutions
    [ Hits: 1093 | Votes: 3 | Rating: 9.00 ]
Manufacturers : Antenna Analyzers
  • Array Solutions - WX0B - Stacking and phasing HF and 6m arrays antenna switches and contesting devices. Custom low band antenna arrays, bandpass filters,commercial/Mil STd filters,microwave components, commercial broadcast filters.
    [ Hits: 5121 | Votes: 8 | Rating: 6.37 ]
Manufacturers : Antennas : HF : Mobile Antennas : Screwdriver Antennas
  • Hi-Q Antennas - HF Ham Radio mobile operation antennas manufacturer, W6HIQ, HA5CMG, VE7BOC, HF mobile antennas, screwdriver antenna, coils and filters.
    [ Hits: 4901 | Votes: 3 | Rating: 6.33 ]
Manufacturers : Antennas : VHF UHF Microwave
  • Dunestar Systems - Manufacturer of single band and multiband transceiver bandpass filters for HF. High pass filters, two radoi headphones mix and switch, 6 meter portable antenna, antenna remote switching and steering.
    [ Hits: 1239 | Votes: 2 | Rating: 1.00 ]
Manufacturers : Digital and Packet Radio
  • Communication Concepts, Inc. - Provide components to the amateur who wants to construct their own gear and to the professional who wants to save money and time in prototyping their circuit design, Filters, HF Amplifiers, Splitter Combiners, VHF Amplifiers, ATV
    [ Hits: 2237 | Votes: 4 | Rating: 4.25 ]
Manufacturers : Filters
  • Heros Technology Ltd - HF Radio Preselectors,BCB filters,Low Pass filters,Band Pass filter
    [ Hits: 376 | Votes: 1 | Rating: 10.00 ]
  • HD Communications - Rf Connectors,RF Amplifiers,RF Filters,HF cable and accesories. Tower hardware valves and tubes
    [ Hits: 2071 | Votes: 9 | Rating: 8.44 ]
Operating Modes : Amateur Television
  • UHF Reject filter - This filter is a 0.1 dB Tschebychev lowpass with a rejection of 90 dB or better at 430 MHz, and 0.2 dB insertion loss at 72 MHz.
    [ Hits: 1039 | Votes: 1 | Rating: 10.00 ]
Software : Antenna analysis
  • HamCalc v1.3 - By G4VWL, HamCalc is collection of calculators for radio amateurs: Antenna ERP calculations. Attenuators. Audio Filter design.Coil Winding. Decibels. Great Circles map and calculator HF Filters HF Traps Metric conversions OP Amps QRA Locator to Latitude/Longitude (and back) Radio Horizon calculator Resonance Satellite orbit calculator Timer calculations (555 timer)Zener Diode calculations
    [ Hits: 18156 | Votes: 68 | Rating: 4.48 ]
Software : Awards tracking
  • QSO Manager - HF QSO/QSL/Award managment, ADIF Import/Export, full version free to everybody. Requires Access 97 or Access 2000 (with JPEG and TIFF filter installed), screen resolution 800x600/1024x768
    [ Hits: 2691 | Votes: 7 | Rating: 7.57 ]
Software : Circuit Design
  • WINRLC - Simple freeware tool to calculate several kinds of HF filters. Use to calculate L-C and R-C band filters and bandpasses, L-C, L-R and R-C highpasses and lowpasses, coils and capacitors.
    [ Hits: 4899 | Votes: 13 | Rating: 5.46 ]
  • RF Filters - MS DOS Program for calculations of HP, LP and BP filters at VHF and UHF frequencies up to about 800 MHz by YU1AW
    [ Hits: 1100 | Votes: 6 | Rating: 4.33 ]
Software : Hellschreiber
  • Spectrum Lab  pop - DL4YHF's Audio Spectrum Analyser Spectrum Lab or Speclab started as a simple FFT program running under DOS a long time ago, but it is now a specialized audio analyzer, filter, frequency converter, hum filter, data logger and more. Can be used for MTHELL QRSS, DFCW, PSK, MSK, Castle
    [ Hits: 40747 | Votes: 41 | Rating: 7.25 ]
Software : JT65
  • MultiPSK  updated  pop - Windows freeware miltimode program by F6CTE that supports BPSK31 QPSK31 PSK63 PSK63F PSK10 PSKFEC31 PSKAM CW CCW THROB 4 bauds THROBX RTTY SITOR-AMTOR-NAVTEX FELD HELL PSK JT65 HELL HF FAX SSTV FILTERS
    [ Hits: 73731 | Votes: 118 | Rating: 7.44 ]
Software : Radio Control
  • RemIcom-B - Freeware RemIcom-B is a very simple ICOM remote program. Display of current frequency, mode and filter ITU HF Band assignment (ITU Region 1, 2 and 3 selectable) HAM HF Band usage analog frequency band display
    [ Hits: 3198 | Votes: 1 | Rating: 10.00 ]
Technical Reference : Duplexers
  • A low cost UHF/VHF duplexer - Duplexers for dual band radio are usually high pass filter and low pass filter combined in the same box. This circuit is a design within a cost of US$10.
    [ Hits: 6294 | Votes: 11 | Rating: 5.09 ]
Technical Reference : Filters
  • The NVARC Ugly Filter Project - Project to build sets of band pass transmitting filters for reducing the interference between HF transceivers operated in close proximity
    [ Hits: 776 | Votes: 3 | Rating: 9.33 ]
  • Narrow Band-Pass filter for HF - Band-pass filters can be critical components in competitive stations. This setup may help put your station on the map.
    [ Hits: 1592 | Votes: 0 | Rating: 0.00 ]
  • Band-Pass Filters for HF Transceivers - Do your multiple-transmitter field day or contest efforts suffer from intrastation interference ?
    [ Hits: 2876 | Votes: 2 | Rating: 9.00 ]
Technical Reference : HF Radios
  • Hombrewing an HF Transceiver - This page will describe the construction of a multi band SSB transceiver with all its components Band Pass Filter, Oscillator/Modulator unit, RX/TX Mixer TX Amp I.F. Amplifier AGC VFO Driver amplifier Receive audio amplifier Final amplifier Low pass filter Digital display and VFO stabiliser
    [ Hits: 3935 | Votes: 6 | Rating: 8.33 ]
Technical Reference : Radio Frequency Interference
  • TVI filters - These filters are in use by hundreds of VHF weak signal operators and have been proven to be an effective solution for fundamental overload problems.
    [ Hits: 945 | Votes: 1 | Rating: 7.00 ]
  • 6m High Pass TVI filter - Are you suffering from TVI? Then why not try this filter for size. It is a three-stage high-pass filter that blocks low-frequency 50MHz signals while letting through UHF TV.
    [ Hits: 1283 | Votes: 2 | Rating: 3.00 ]
Technical Reference : Test Equipment : Signal Generator
  • VHF signal generator - a simple VHF signal generator in order to measure the characteristic of low pass filter.
    [ Hits: 2742 | Votes: 1 | Rating: 1.00 ]
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