hf band filter

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hf band filter

24 links

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: 511 | Votes: 1 | Rating: 10 ]
Manufacturers : Antenna Parts
  • HI-Z Antennas - HF receiving systems and components, band pass filters, array controllers, HI-Z pre amplifiers
    [ Hits: 719 | Votes: 0 | Rating: 0 ]
Manufacturers : Antenna Switches
  • 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: 5700 | Votes: 10 | Rating: 6.2 ]
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: 1468 | Votes: 2 | Rating: 1 ]
  • Duplexers.eu - We produce duplex filters for 6 m, 2 m, 70 cm, and 23 cm band but also for HF bands. Sella and produce products for Ham Radio Repeaters.
    [ Hits: 1899 | Votes: 1 | Rating: 1 ]
Manufacturers : Filters
  • Heros Technology Ltd - HF Radio Preselectors,BCB filters,Low Pass filters,Band Pass filter
    [ Hits: 601 | Votes: 2 | Rating: 10 ]
Operating Modes : HF Operations
  • HF Operations: The Difference with HF - A complete guide on using the HF amateur radio bands, and the differences with VHF, using filters, influence of solar weather, the split mode and phonetic alphabets.
    [ Hits: 335 | Votes: 2 | Rating: 8.5 ]
Shopping and Services : Regional : Australia
  • MiniKits.com.au - Australia's largest range of Electronic Kits & Components In Stock for the Radio Experimenter, ATV, microwaves, HF Band pass filters
    [ Hits: 836 | Votes: 0 | Rating: 0 ]
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: 3581 | Votes: 1 | Rating: 10 ]
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: 8611 | Votes: 16 | Rating: 5.88 ]
  • 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: 1136 | Votes: 2 | Rating: 5 ]
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: 1034 | Votes: 4 | Rating: 9.5 ]
  • 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: 2560 | Votes: 1 | Rating: 1 ]
  • Band-Pass Filters for HF Transceivers - Do your multiple-transmitter field day or contest efforts suffer from intrastation interference ?
    [ Hits: 4339 | Votes: 3 | Rating: 6.33 ]
  • VHF Broadcast Passband Filter - VHF Broadcast Passband Filter (88 108 MHz) by DF9CY
    [ Hits: 597 | Votes: 1 | Rating: 1 ]
  • Stub HF filter - Multi transmitter filters for HF Bands
    [ Hits: 535 | Votes: 0 | Rating: 0 ]
  • Tunable BandPass Filter - A homemade tunable bandpass filter for all HF bands from 160m to 10m
    [ Hits: 1119 | Votes: 3 | Rating: 5.67 ]
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: 4366 | Votes: 6 | Rating: 8.33 ]
Technical Reference : QRM Eliminator
  • PlasmaTV QRN Eliminator - An improved version of DK9NL QRM Killer, with dedicated noise sampling antenna for completely filtering of plasma TV rattle on HF bands
    [ Hits: 898 | Votes: 0 | Rating: 0 ]
Technical Reference : Test Equipment
  • Antuino - Antenna Test Equipment - Antuino is an accurate instrument that can be used in the field to measure SWR, field strength, modulation, etc. In the lab, it can be used to sweep filters, measure gain, distortion, frequency response, etc. It works upto 150 Mhz. On the third harmonic, it is usable on 435 Mhz band as well (with reduced sensitivity).
    [ Hits: 304 | Votes: 0 | Rating: 0 ]

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