hf filter
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Manufacturers : Amplifiers- I0JXX
- The I0JXX is an italian company that offers market their projects, also sells electronic products of high quality, both for Ham, both Broadcast and their accessories. VHF Antennas, mosfet power amplifiers, filters, insulators, power dividers, telescopic poles, antenna masts
[ Hits: 2882 | Votes: 2 | 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 ]
- HI-Z Antennas
- HF receiving systems and components, band pass filters, array controllers, HI-Z pre amplifiers
[ Hits: 721 | Votes: 0 | Rating: 0 ]
- K-Y Filter Company
- Modem Telephone Super Filters For HF and AM Radio Interference.
[ Hits: 355 | Votes: 0 | Rating: 0 ]
- 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: 749 | Votes: 0 | Rating: 0 ]
- 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 ]
- TR-7 Transmit Filter Modification
- Drake TR-7 A.M. Transmit Filter Modification
[ Hits: 363 | Votes: 0 | Rating: 0 ]
- Icom IC703 10W Transceiver
- The IC703 features a built-in DSP filter and auto ATU as well as speech processing an a CW keyer with 3 message memories. It is an ideal all-in-one ham station for QRPers.
[ Hits: 404 | Votes: 3 | Rating: 10 ]
- MiniKits.com.au
- Australia's largest range of Electronic Kits & Components In Stock for the Radio Experimenter, ATV, microwaves, HF Band pass filters
[ Hits: 837 | Votes: 0 | Rating: 0 ]
- Zeus Radio - Software Defined Radio
- Zeus Radio program is designed specifically
for the ZS-1 transceiver and supports all the
basic functions (RIT, XIT, SPLIT, Noise Reduction,
Auto Notch Filter, etc.) in order to work
in the broadcast brought only pleasure.
Zeus Radio works also with Hermes, Anan, Afedri, Red Pitaya, HiQSDR, Odyssey, Extio, RTL-SDR, Peaberry, Winradio, SDR-IQ, Afedri
[ Hits: 508 | Votes: 1 | Rating: 8 ]
- 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: 1140 | Votes: 2 | Rating: 5 ]
- 5th order High Pass VHF Filter
- Sometimes many VHF-UHF modern transceivers have problems with BROADCAST Interference and CROSS-modulation from FM commercial broadcast stations this article shows a simple Batteworth HI-Pass VHF Filter to reduce this problem
[ Hits: 1209 | Votes: 8 | Rating: 6.12 ]
- VHF Broadcast Passband Filter
- VHF Broadcast Passband Filter (88 108 MHz) by DF9CY
[ Hits: 598 | 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: 1121 | Votes: 3 | Rating: 5.67 ]
- Band Pass Filters for HF Transceivers
- If your multiple transceiver station is suffering of intrastation interference, this handy and inexpensive band pass filters and help you. QST article Sept 1988
[ Hits: 128 | Votes: 0 | Rating: 0 ]
- 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: 899 | Votes: 0 | Rating: 0 ]
- Fixing a 2 meter TVI Problem
- Fix VHF TVI problems usign a quarter wave stub filter
[ Hits: 275 | Votes: 0 | Rating: 0 ]
- 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: 305 | Votes: 0 | Rating: 0 ]
- Transverter for 50 70 28 MHz
- This multiband transverter project features power output at 13,8V 50MHz 15W, 70MHz 10W, second harmonic <65dBc. Single N connector of antenna, suitable for a dual band Yagi. Article include Block Diagram for Dual Transverter and low pass filters
[ Hits: 153 | Votes: 1 | Rating: 10 ]
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