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69 links and 1 categories about preamp on dxzone.com

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Manufacturers : Accessories
  • Workman Electronics - Amateur radio accessories, power supplies, tvi filters, speakers, microphones, swr meters, preamplifiers, switches, cable and connectors,
    [ Hits: 3290 | Votes: 3 | Rating: 5.33 ]
  • KEPS Equipments for AO40 downlink - Complete receive system, downconverters, dishes, feeds and preamplifiers for AO40 satellite users
    [ Hits: 689 | Votes: 0 | Rating: 0.00 ]
  • AR2 communications - Complete catalog of low noise preamplifiers and microwave Gunnplexers.
    [ Hits: 857 | Votes: 1 | Rating: 1.00 ]
Manufacturers : Amplifiers
  • Mutek - Transverters, amplifiers and low noise preamplifiers
    [ Hits: 5079 | Votes: 4 | Rating: 3.50 ]
Manufacturers : Antennas : HF : Active antennas
  • Ameco - Text books relating to amateur radio (HAM radio), highpass and lowpass power filters, transmitter test loads (dummy loads), study tapes and disks to learn morse code, transceiver preamplifiers, antenna signal boosters.
    [ Hits: 1799 | Votes: 0 | Rating: 0.00 ]
Operating Modes : Amateur Television
  • OH3TR ATV Pages - OH3RTR ATV Repeater, and some local ATV inventions like a two-stage 23 cm preamp.
    [ Hits: 1092 | Votes: 3 | Rating: 8.00 ]
Operating Modes : Longwave
  • VLF-LF And the Loop Aerial - The article discusses the theory of loop aerials for receiving and how they reduce the level of local noise. A Loop Aerial is described suitable for use on the LF and VLF bands together with a circuit of an interface loop tuner and preamplifier. The discussion extends to the problems of amplifier noise and the advantages of tuning the loop.
    [ Hits: 2948 | Votes: 5 | Rating: 5.40 ]
Software : Utilities Technical Reference : Amplifiers
  • Universal LF/MF Preamplifier - "A ""Universal Antenna Preamplifier"" design, in Web page form. Works with long wires, loops, or whips. For longwave and medium wave."
    [ Hits: 5370 | Votes: 4 | Rating: 4.00 ]
Technical Reference : Amplifiers : UHF Amplifiers
  • 432 MHz EME PreAmplifier - 432 MHz EME low noise amplifier. Circuit, components and image by Christoph Petermann DF9CY
    [ Hits: 8697 | Votes: 19 | Rating: 5.05 ]
Technical Reference : Audio
  • Audio Preamp - Easy circuit that provide good gain to weak audio signals
    [ Hits: 3351 | Votes: 2 | Rating: 3.50 ]
Technical Reference : Homebrew Technical Reference : Preamplifiers
  • W7IUV HF Preamplifier - Schematic and pictures of a W7IUV preamplifier
    [ Hits: 2171 | Votes: 2 | Rating: 1.00 ]
  • VHF UHF preamp - ON6MU project for a vhf uhf preamplifier
    [ Hits: 12853 | Votes: 18 | Rating: 3.00 ]
  • 6m Preamp - A dead easy 50 mhz preamp by VK3CJS
    [ Hits: 4712 | Votes: 1 | Rating: 8.00 ]
  • Garex VHF preamp - It is available for spot frequencies in the range 40 - 250MHz, where a typical gain of 26dB can be achieved
    [ Hits: 2806 | Votes: 2 | Rating: 6.00 ]
  • 144 MHz preamplifier with BF981 - Design of a preamplifier for 144 MHz with 1 dB NF and 23 dB gain using BF981. This amplifier is using a low cost silicon MOSFET (BF981 from Philips) to give more than 20 dB gain with around 1 dB noise figure on 2 meter.
    [ Hits: 15862 | Votes: 26 | Rating: 5.92 ]
  • LNK Receiver Preamp - It is tempting to hope that a preamp can make any receiver more sensitive, in any situation. But, it is important to understand what happens when you add a preamp before a receiver.
    [ Hits: 2553 | Votes: 2 | Rating: 6.00 ]
  • 23cm dual stage preamp - A modification / combination of the DJ9 BV & I5TDJ 144 MHz preamp designs
    [ Hits: 2293 | Votes: 1 | Rating: 10.00 ]
  • Motorola Micor Highband Preamp - Make 150.8 - 174 Mcs. RF Preamp properly tune the Two Meter ham band.
    [ Hits: 1741 | Votes: 1 | Rating: 10.00 ]
  • Low noise preamplifiers - Lot of projects of preamplifies from HF to VHF and UHF by yu1aw
    [ Hits: 19467 | Votes: 13 | Rating: 4.00 ]
  • U301 FET preamplifier - This FET preamplifier has been around for almost 25 years. It is extremely reliable and can handle several watts directly into either the input or the output without failure.
    [ Hits: 7269 | Votes: 3 | Rating: 6.33 ]
  • 23 cm GaAs FET preamplifier - On 23cm the best way to obtain a good RX-sensitivity is to use a GaAs-FET in the front-end, since these devices show very low noise figures.
    [ Hits: 3513 | Votes: 5 | Rating: 5.20 ]
  • GaAs FET preamps - Build a good GaAs FET preamp for 2 meters, 222 or 440 Mhz
    [ Hits: 8345 | Votes: 3 | Rating: 7.00 ]
  • Receive only processing equipment - One of our most popular products, receiving preamplifiers are used for achieving top signal band performance in competition operating, low noise longwave reception, repeater applications into the UHF region, or lab use
    [ Hits: 1837 | Votes: 0 | Rating: 0.00 ]
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