linear

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linear

226 links - and 3 categories

Antennas : Collinear
  • M3FVB VHF 8db collinear  pop - Build a 2m 8db collinear for portable use
    [ Hits: 21560 | Votes: 20 | Rating: 4.84 ]
  • Build a 2.4GHz Vertical antenna  updated  pop - Building a 2.4GHz vertical collinear omnidirectional antenna
    [ Hits: 75168 | Votes: 102 | Rating: 6.46 ]
Antennas : Feed Lines
  • Transmission Lines - Whenever you choose a coax feedline, the frequency of operation is a very important consideration. Over the operating bandwidth of the coax the VSWR is low, typically 1.2:1 or better. Insertion loss is also an important parameter. It is usually specified in dB/foot and is a linear relationship.
    [ Hits: 1175 | Votes: 0 | Rating: 0.00 ]
Antennas : Quad
  • Pfeiffer Quads - The Pfeiffer Quad was described in QST and has the desirable feature that it is smaller than a standard cubic quad but does not compromise performance very much. The Pfeiffer design is rather difficult to construct because of the complicated linear loading networks required.
    [ Hits: 2882 | Votes: 2 | Rating: 5.50 ]
Antennas : Windom
  • OH7SV Matti Hohtola Ham Projects  pop - The most modern QRP transceiver in 2004,Direct Conversion HF Transceiver with DDS LO, 50 ohm to 200 ohm HF wide band transformers, Wilkinson splitter for RX measurements, Windom baluns 2001/2004, Ferrite rod antenna for 80 meter, Magnetic Loop Antenna for 80 m, Mascot Switched PSU 9320 modification to 8A peak current, 150W MOSFET linear amplifier for 80m, 80 m HF SSB/CW Transceiver
    [ Hits: 19628 | Votes: 32 | Rating: 8.12 ]
Antique Radios : Repair and Restoration
  • Omega electronics - Omega Electronics International is the source for Ameritron linear amplifiers as well as other amateur related products and repair service
    [ Hits: 690 | Votes: 0 | Rating: 0.00 ]
Manufacturers : Antennas : VHF UHF Microwave : Satellite antennas
  • Austin Antenna - Austin Antenna employs leading-edge antenna technology in the production of the highest performance antennas currently available. Marine Antenna, Multi-band Mobile, Point-to-Point, Base Station, Wide-band Land Based, LPDA, Linear Omni, Triplexer, Scanner Antennas
    [ Hits: 3854 | Votes: 6 | Rating: 9.67 ]
Manufacturers : Test Equipment : Power Meter
  • Telewave - Telewave's innovative engineering produces the industry's toughest antenna systems. Yagi, Fiberglass Collinear, and Dipole models are available from 66-2500 MHz. Wattmeters, test equipment,rf power meters, duplexers, filters and cavities, transmitters combiners
    [ Hits: 1755 | Votes: 0 | Rating: 0.00 ]
Manufacturers : Wattmeters
  • Alpha Linear Amplifiers  pop - RF Concepts manufacturer of Alpha Linear Amplifiers, amateur radio RF power amplifiers, commercial power amplifiers, power meters and dummy loads.
    [ Hits: 25917 | Votes: 21 | Rating: 7.80 ]
Operating Modes : Packet Radio
  • WA4DSY 56KB RF Modem - This is a prototype of the WA4DSY 56KB RF modem. It is intended for use on amateur packet radio networks. The modem generates RF in the 28 to 30 mhz range and requires and linear transverter to convert the signal to a UHF or microwave ham band
    [ Hits: 912 | Votes: 0 | Rating: 0.00 ]
Radio Equipment : HF Amplifiers : Yaesu FL-2100 Radio Equipment : HF Transceivers : Icom IC-706 Radio Equipment : HF Transceivers : Yaesu FT-1000MP Radio Equipment : HF Transceivers : Yaesu FT-857
  • Yaesu FT-857 serial cable - Here is a serial control (CAT) cable that plugs into the FT-857's microphone jack, freeing the CAT/Linear jack for other purposes.
    [ Hits: 9003 | Votes: 12 | Rating: 4.75 ]
Technical Reference : Amplifiers
  • GI7B GI7BT Tubes - GI-7B and GI7BT Tubes for HAM Radio use (HF-VHF-UHF),linear amplifier builders
    [ Hits: 1543 | Votes: 5 | Rating: 6.60 ]
Technical Reference : Amplifiers : HF Amplifiers
  • Build an HF Linear Amp  pop - Hombrew project to build an HF linear amplifier whose output is 210W for 16W of drive on 80M and max output is 300W.
    [ Hits: 22470 | Votes: 8 | Rating: 6.38 ]
  • 10 W Linear Amplifier - This article describes a 10 watt linear amplifier that is capable of delivering over 15 watts into 50 ohms and uses cheap plastic transistors that are used in CB equipment. by Harry Lythall - SM0VPO
    [ Hits: 10994 | Votes: 11 | Rating: 5.27 ]
Technical Reference : Amplifiers : RF Amplifiers Theory
  • RF and Microwate Power Amplifiers - RF and Microwave Power Amplifier and Transmitter Technologies, amplifierlinearity, efficiency and available RF power devices.
    [ Hits: 1178 | Votes: 1 | Rating: 10.00 ]
Technical Reference : Antenna Rotator
  • Antenna elevator system for amateur satellites  pop - Smart homebrew antenna-ELEVATOR system with linear actuator. The actuator is a cheap and heavy tool with high enough torque, ideal for elevation systems, but in practice it needs quite an effort in order to operate correctly in your homebrew antenna system. This page inform you of the actuator's secrets.
    [ Hits: 21143 | Votes: 40 | Rating: 7.50 ]
Technical Reference : Homebrew
  • WV7U.com - Hank's Amp Pages - WV7U's YC156 and 3CPX800 amplifier projects. Everything you wanted to know about using the YC156 or 3CPX800 in a ham radio linear amplifier. See pictures, schematics, test data, links, and more!
    [ Hits: 1637 | Votes: 2 | Rating: 9.50 ]
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