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Search Results for "linear"

218 links - and 3 categories

Antennas : 160M
  • 160 meter linear loaded Inverted L antenna - The total length of the inverted L is 240 feet, which is 7/16th of a wave length long. It has a 92 foot horizontal linear load section 1 foot above ground that terminates into a home-brewed parallel network tuner by KN4LF
    [ Hits: 3674 | Votes: 5 | Rating: 5.60 ]
Antennas : 2M
  • VHF Collinear-Dipole  updated - 2 m. Band VHF Collinear with 2 Dipoles by sv1bsx
    [ Hits: 9454 | Votes: 18 | Rating: 4.11 ]
Antennas : Collinear Antennas : Quad
  • BiQuad Antenna for 144/440 - This is a vertically polarized Broadside and Collinear Array each Loop is a vertically polarized Broadside Array both the right and the left side of the Loop is a bent 1/2 wave dipole working 180 degrees out of phase with the other one and that gives you 4.15dbi of gain by KE4UYP
    [ Hits: 6560 | Votes: 12 | Rating: 5.00 ]
Antennas : Spiral
  • Petlowany Antennas by K6NO - WorldRadio Article on Petlowany antennas base on this principle: if a length of wire is wound into a spiral-shaped coil and excited by a radio frequency current connected to the innermost portion of the coil, it will then, and only then, exhibit RF characteristics that closely approximate those of a resonant linear wire of the same length
    [ Hits: 3067 | Votes: 8 | Rating: 6.75 ]
Antennas : VHF UHF
  • VHF/UHF Folded Diplole - This is a two element colinear design for vertically polarized radiation. It may be constructed for use on either 2m or 70cm
    [ Hits: 1022 | Votes: 0 | Rating: 0.00 ]
  • The HO Collinear, a Horizontal Omni - The HO Collinear is a 4 element horizontally polarized omni for two meters
    [ Hits: 3695 | Votes: 0 | Rating: 0.00 ]
Manufacturers : Amplifiers
  • Emtron - HF Linear amplifiers and power supplies manufacturer
    [ Hits: 2511 | Votes: 1 | Rating: 1.00 ]
Manufacturers : Antennas : VHF UHF Microwave : HT Antennas
  • Sandpiper Aerial Technology LTD - Sandpiper has been designing and manufacturing aerials for over 25 years. Offer HF Dipoles and verticals, VHF UHF Yagi, collinears and other beam antennas, elical antennas,quagi,moxon, and portable antennas, tripods mounts and fiberglass poles
    [ Hits: 1852 | Votes: 1 | Rating: 10.00 ]
Manufacturers : Morse Keyers
  • Juma kits - Ham radio kits, HF receivers,ssb and cw transceivers, morse keyers and linear amplifiers.
    [ Hits: 4119 | Votes: 6 | Rating: 9.50 ]
Shopping and Services : RF Tubes
  • QRO-Parts.com - Svetlana tubes also Russian capacitors,vacuum and coaxial relay, for RF Power Linear Amplifier builders. Amateur-Radio, Broadcast. Full Online Catalog.
    [ Hits: 892 | Votes: 94 | Rating: 8.86 ]
Shopping and Services : Radio Equipment Repair
  • Cupeles Electronics LLC - Two way radio communication services for Kenwood Icom Yaesu radio and ameritron drake cliperton henry heathkit amp yaesu kenwood linear amplifiers based in Harrisburg, PA by WB3M
    [ Hits: 1006 | Votes: 0 | Rating: 0.00 ]
Software : Filter Design
  • FilterCAD - A free computer aided design program to help users without special expertise in filter design to create filters using Linear Technology's monolithic filter ICs. With FilterCAD, you can design lowpass, highpass, bandpass and notch filters
    [ Hits: 9580 | Votes: 22 | Rating: 4.32 ]
  • AADE Filter Design  updated  pop - Dowwnload this free windows programs to design Butterworth, Chebyshev, Elliptic (Caur), Bessel, Legendre and Linear Phase low-pass, high-pass, band-Pass, and band-reject filters. Coupled Resonator band-pass filters
    [ Hits: 17495 | Votes: 67 | Rating: 7.23 ]
Technical Reference : Amplifiers Technical Reference : Amplifiers : HF Amplifiers
  • Amplifier for 15 and 17 meter band - The two linear amplifiers are ment for use with QRP SSB/CW/FM/AM transmitters on the amateur bands 15 and 17 meters can be powered from a 12 volt DC supply by ON6MU
    [ Hits: 1425 | Votes: 0 | Rating: 0.00 ]
Technical Reference : Amplifiers : VHF Amplifiers
  • A 20W Amplifier for 2 meters - VU2RAR basic VHF power amplifier suitable for 144-146 Mhz output power can vary from 3 to 25 Watts.
    [ Hits: 2579 | Votes: 5 | Rating: 6.60 ]
  • 50 Mhz Amplifier - This is a homebrew 100 watt six meter linear amplifier. The project was designed by Pat Bunn - N4LTA, and was featured in the October 1990 issue QST magazine.
    [ Hits: 2157 | Votes: 1 | Rating: 7.00 ]
Technical Reference : Power Supply
  • HV power supplies - WV0NNI 2,800 VDC @ 2 Amps Continuous Variac adjusts filament voltage. A voltage doubler circuit, well suited for smaller, compact linear amplifiers.
    [ Hits: 1222 | Votes: 1 | Rating: 5.00 ]
Technical Reference : Radio Frequency Interference
  • Intermodulation - Intermodulation distortion, commonly known as Intermods, is a type of interference that can occur in any non-linear junction.
    [ Hits: 419 | Votes: 1 | Rating: 10.00 ]
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