lf amplifier

lf amplifier

Manufacturers : Amplifiers

• 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 ]

• XieGu Tech - XieGu Tech manufactures quality amateur radio transceivers and amplifiers designed by BG8HT. Xiegu focus is portable and self contained transceivers perfect for your next SOTA, hiking trip or travel experience.
  [ Hits: 347 | Votes: 0 | Rating: 0 ]

• 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: 3424 | Votes: 5 | Rating: 5.4 ]

• RM VLA 200 schematic - Schematic diagram of the VLA 200 power amplifier by RM Italy
  [ Hits: 894 | Votes: 5 | Rating: 6.4 ]

• 100 Watt RF Power Amplifier for 2 GHz - Modification to an old cellular phone base station modules, with a fairly reduced output power (10 watts or so), the stock power amplifier modules will cover the 2.3 GHz and 2.4 GHz amateur radio bands.
  [ Hits: 163 | Votes: 0 | Rating: 0 ]

• A LF power amplifier - A Low Frequency (LF) RF Power Amplifier by VK5BR it operates in a linear mode and can handle CW, AM and SSB.
  [ Hits: 3307 | Votes: 2 | Rating: 1.5 ]
• Home Made 813 Amp - An home made RF Amplifier project that allows near full power output from 813 tubes
  [ Hits: 1447 | Votes: 2 | Rating: 6 ]

• Six-Meter Linear Amplifier - This homebrew six-meter linear amplifier started off life as a "junker" Alpha 76PA h.f. amplfier. Power output is 800W
  [ Hits: 1687 | Votes: 1 | Rating: 10 ]

• 12W amplifier - ON6MU 12 Watt amplifier schematic
  [ Hits: 546 | Votes: 2 | Rating: 8.5 ]
• Low Power LF Amplifier - ON6MU Low Power amplifier
  [ Hits: 855 | Votes: 1 | Rating: 8 ]

• Simple beacon construction notes - Here is a simple, self-contained beacon which can run a few milliwatts or as much as a watt depending on choice of amplifier and supply voltage.
  [ Hits: 874 | Votes: 0 | Rating: 0 ]

• QRO GU-84B TETRODE - GU-84B Homebrew HF Amplifiers
  [ Hits: 8454 | Votes: 21 | Rating: 4.43 ]

• LF/MF Preamplifier - A universal LF/MF preamplifier by Lyle Koehler, K0LR
  [ Hits: 2164 | Votes: 2 | Rating: 4.5 ]
• 432MHz Low Noise Preamp - An easy to build with a cheap HEMT FET Transistor Low noise preamplifier with FHX35LG based on JH0WJF design
  [ Hits: 764 | Votes: 1 | Rating: 10 ]

• QRM and noise reduction - You will find on these pages my experiences and results on antennas and local/non-local QRM/noise reduction. Using a broadband vertical active magnetic loop and a home made / designed broadband amplifier. Two vertical magnetic Alford loops are used in an array. Analog and Digital Signal Processing and a dual phase coherent Software Defined Radio (SDR) are used. By PA0SIM
  [ Hits: 5086 | Votes: 6 | Rating: 7 ]