hf amplifiers

hf amplifiers

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• 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 ]
• The DX Shop - The DX Shop Limited are suppliers of high end equipment and manufacturers of the Linear Amp Gemini range of HF to UHF solid state linear amplifiers for the serious Radio Amateur.
  [ Hits: 151 | Votes: 0 | Rating: 0 ]

• Down East Microwave Inc - Manufacturer of 50MHz, 70MHz, 144MHz, 222MHz, 432MHz, 900MHz or 1.2GHz transverters and VHF UHF amplifiers
  [ Hits: 35 | Votes: 0 | Rating: 0 ]

• ALS-600 Conversion - QSK Conversion of the Ameritron ALS-600 and ALS-500 HF Amplifiers
  [ Hits: 530 | Votes: 0 | Rating: 0 ]

• QST Magazine Product Reviews - QST Magazine Product Reviews - Key Measurements Summary - HF-Transceivers or Receiver and Linear Amplifiers
  [ Hits: 842 | Votes: 0 | Rating: 0 ]

• Repairing a TE-Systems 1452G - Slides of a TE systems 1452 reparation including the schematic diagram of this monoband VHF RF Power amplifier
  [ Hits: 488 | Votes: 4 | Rating: 7.25 ]

• King Conversions - King Conversions has extensive experience in amplifier repair and conversion King Conversions specialize in converting HF amplifiers to operate as monoband amps on 50 MHz
  [ Hits: 308 | Votes: 0 | Rating: 0 ]

• Building a Robust PL519 Tube HF Amplifier - his article explores the construction of a PL519 tube amplifier, utilizing Ulrich L. Rohde N1UL's insights. Focusing on a modest 25W continuous output, the design ensures robustness with forced air cooling. The detailed breakdown covers input matching, screen grid voltage generation, bias adjustment, anode power supply, heater power supply, and monitoring circuitry, providing valuable guidance for ham radio enthusiasts.
  [ Hits: 71 | Votes: 0 | Rating: 0 ]

• Homebrewing HF Amplifiers - Thoughts build a solid state legal-limit amplifier for amateur radio use.
  [ Hits: 357 | Votes: 0 | Rating: 0 ]
• High efficiency, legal limit, solid state linear HF amplifiers - Not a project yet, but very theoretical thoughts about very practical amplifiers!
  [ Hits: 203 | Votes: 2 | Rating: 10 ]

• 70 MHz 300 W Power Amplifier - This PA has been designed by Sergey EX8MLE and uses three Mitsubishi RD100HHF1 FETs, Frequency Range 70 to 72 MHz
  [ Hits: 109 | Votes: 1 | Rating: 10 ]

• VHF UHF Low noise Amplifiers - 2m 70cm 23cm Low noise Amplifiers, 3 Low noise amplifiers Outdoor unit with DB6NT parts completed.
  [ Hits: 128 | Votes: 2 | Rating: 5 ]

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