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43 links and 1 categories about preamplifier on dxzone.com

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Antennas : K9AY
  • Receiving antenna for low bands - K9AY loop antenna installed at PA6Z Contest group. This is a receiving antennas for the low bands (160m, 80m and 40m). Include schematics and info on a building the control box, preamplifier and low-pass filter
    [ Hits: 16653 | Votes: 9 | Rating: 8.33 ]
Manufacturers : Accessories
  • Workman Electronics - Amateur radio accessories, power supplies, tvi filters, speakers, microphones, swr meters, preamplifiers, switches, cable and connectors,
    [ Hits: 3288 | Votes: 3 | Rating: 5.33 ]
  • KEPS Equipments for AO40 downlink - Complete receive system, downconverters, dishes, feeds and preamplifiers for AO40 satellite users
    [ Hits: 688 | Votes: 0 | Rating: 0.00 ]
  • AR2 communications - Complete catalog of low noise preamplifiers and microwave Gunnplexers.
    [ Hits: 855 | Votes: 1 | Rating: 1.00 ]
  • J-Tec - Ham Radio products, Antenna Switches, Receiver Preamplifiers, Preamps
    [ Hits: 664 | Votes: 1 | Rating: 10.00 ]
Manufacturers : Amplifiers
  • Mutek - Transverters, amplifiers and low noise preamplifiers
    [ Hits: 5079 | Votes: 4 | Rating: 3.50 ]
  • SSB Electronic USA - manufactures and distributes HF, VHF, UHF and SHF equipment covering 10MHz. - 47.0GHz. Our products include: Wireless LAN / WAN Bidirectional Linear Amplifiers, Low Noise Preamplifiers - LNA's, RF Linear Amplifiers, Relays, Transverter Systems, Frequency Translation Systems, Downconverters, Antennas, Parabolic Dishes, Coaxial Cable, Relays, Antenna Switches, Microwave Test equipment, PC controlled Receivers, Microwave Linear Amplifiers including models for Telemetry, Wireless, and CDMA applications.
    [ Hits: 7282 | Votes: 5 | Rating: 7.00 ]
  • LNA Technology - LNA Technology High Performance Low Noise Preamplifiers for Amateur Radio, VHF-UHF weak signal, DX, EME, and commercial applications.
    [ Hits: 1825 | Votes: 4 | Rating: 7.00 ]
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: 1796 | Votes: 0 | Rating: 0.00 ]
Manufacturers : QRP Kits
  • Gateway Electronics - Amateur radio kits, cw keyers, vhf mini receivers, 2 meter preamplifier and more audio related kits, based in St. louis, Mo and San diego, ca USA
    [ Hits: 4550 | Votes: 1 | Rating: 10.00 ]
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: 2942 | Votes: 5 | Rating: 5.40 ]
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: 5364 | 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: 8685 | Votes: 19 | Rating: 5.05 ]
Technical Reference : Homebrew
  • SV1BSX Homebrew Corner - Offer a wide range of homebrewing projects mainly for VHF UHF operations. From vhf antennas to preamplifiers, chargers and power supplies
    [ Hits: 1205 | Votes: 8 | Rating: 10.00 ]
Technical Reference : Preamplifiers
  • W7IUV HF Preamplifier - Schematic and pictures of a W7IUV preamplifier
    [ Hits: 2168 | Votes: 2 | Rating: 1.00 ]
  • VHF UHF preamp - ON6MU project for a vhf uhf preamplifier
    [ Hits: 12841 | Votes: 18 | Rating: 3.00 ]
  • 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: 15844 | Votes: 26 | Rating: 5.92 ]
  • Low noise preamplifiers - Lot of projects of preamplifies from HF to VHF and UHF by yu1aw
    [ Hits: 19450 | 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: 7259 | 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: 3505 | Votes: 5 | Rating: 5.20 ]
  • 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: 1835 | Votes: 0 | Rating: 0.00 ]
  • 144Mhz preamplifier - A preamplifier project based on Rainer DJ9BV project, in french
    [ Hits: 2819 | Votes: 1 | Rating: 10.00 ]
  • PHEMT (GaAs FET) Preamplifiers - Angle Linear has been producing GaAs FET preamplifiers since 1980
    [ Hits: 1953 | Votes: 3 | Rating: 8.00 ]
  • 2 Meter GaAs FET Preamp - KD9JQ 2 meter GaAsFET preamplifier by KD9JQ
    [ Hits: 4362 | Votes: 2 | Rating: 1.50 ]
  • Designing Op Amp Audio PreAmplifiers - Design guidelines for Op Amp audio preamplifier circuits by Mike Martell N1HFX
    [ Hits: 1300 | Votes: 4 | Rating: 3.25 ]
  Result Page:  1 2 [next]
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