power amplifiers

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power amplifiers

78 links - and 5 categories

Antique Radios : Repair and Restoration
  • Bob\'s Antique Radio & Electronics - Quality restoration supplies for vintage radios, amplifiers and juke boxes. Supplies include capacitors, electrolytics, pilot lamps, AC power cords, dial cords, Novus polishes and reproduction items.
    [ Hits: 810 | Votes: 3 | Rating: 7.33 ]
Manufacturers : Amplifiers
  • HF-series Power Amplifier - Manufacture HF-serie power amplifiers for global radio amateurs. Provide two models: manual HF2000DX and automatic HF2011DX-A
    [ Hits: 970 | Votes: 4 | Rating: 3.5 ]
  • RF-Power Amplifiers - RF Power develope, produce and sell high quality solid state RF power linear amplifiers for hams. High Quality Solid State RF Power Linear Amplifiers produced in Italy by Radiocontrolli
    [ Hits: 753 | Votes: 9 | Rating: 8 ]
  • 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: 511 | Votes: 1 | Rating: 10 ]
Manufacturers : Microwave
  • Kuhne Electronic - High quality microwaves components for professional and radioamateurs. Power Amplifiers, Low Noise Amplifiers, Es hail 2 Converter Transverter, Signal Sources, Passive Components and Accessoires
    [ Hits: 102 | Votes: 0 | Rating: 0 ]
Radio Equipment : HF Amplifiers : Ameritron AL-811
  • Ameritron AL-811 Panel Meter Lights - A solutiom for the Ameritron AL-811(H) RF power amplifier, burnt panel meter lights. A common failure with the Ameritron AL-811 and similar amplifiers is that the panel meter lights burn out prematurely. These bulbs are usually integrated into the actual panel meter. The solution for this is to provide the meter backlighting with LEDs.
    [ Hits: 1167 | Votes: 2 | Rating: 5 ]
Radio Equipment : HF Transceivers : Icom IC-7300
  • IC-7300 Amplifiers Interfacing - How to interface the Icom IC-7300 to RF Power amplifiers. Menu settings, cable connections and recommendations on how to avodi common errors that could even damage either the amplifier or the IC-7300
    [ Hits: 359 | Votes: 4 | Rating: 9 ]
Radio Equipment : HF Transceivers : Kenwood TS-990 Radio Equipment : VHF-UHF Amplifiers : TE Systems 1452G
  • Repairing a TE-Systems 1452G - Slides of a TE systems 1452 reparation including the schematic diagram of this monoband VHF RF Power amplifier
    [ Hits: 487 | Votes: 4 | Rating: 7.25 ]
Shopping and Services : Kits and Components
  • Hamtech - HAM-made engineering products supplies and produces coaxial relays, antenna switches, sequencers, roller inductors, variable capacitors, low noise preamplifiers, RF power rotary switches and coil bodies.
    [ Hits: 191 | Votes: 0 | Rating: 0 ]
Software : Circuit Design
  • EvoSpice - A numerical optimizer (solver) for LTSpice IV. Uses a fast evolutionary algorithm. You can use EvoSpice to design high efficiency power supplies, audio filters, low noise RF amplifiers and an endless list of other applications
    [ Hits: 566 | Votes: 0 | Rating: 0 ]
Technical Reference : Amplifiers
  • About HF Amplifiers - Article on evaluating HF Power amplifiers and review of popular PA by K0BG
    [ Hits: 660 | Votes: 3 | Rating: 5.67 ]
Technical Reference : Amplifiers : HF Amplifiers
  • 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: 42 | Votes: 0 | Rating: 0 ]
Technical Reference : Amplifiers : RF Amplifiers Theory
  • Impact of SWR on Power Amplifiers - Article appeared on 10/05 issue of QEX about the impact of load SWR on the efficiency of Power Amplifiers, PDF File by K9LA
    [ Hits: 412 | Votes: 0 | Rating: 0 ]
Technical Reference : Amplifiers : VHF Amplifiers
  • 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: 108 | Votes: 1 | Rating: 10 ]
Technical Reference : Arduino
  • Arduino SWR and Power Meter - The circuit is based on two AD8307 log amplifiers, which are connected to the forward and reflected ports on a directional coupler
    [ Hits: 1577 | Votes: 3 | Rating: 6.67 ]
Technical Reference : SWR Meters
  • SWR-Display - The intention was to determine also very small SWR ratios with small power exactly. With this SWR meter, for example, the inputs of RF amplifiers with power <-20 dBm can be measured. In German
    [ Hits: 142 | Votes: 1 | Rating: 8 ]
Technical Reference : Vacuum tube
  • Arcing or Gassy 572B Tube - Common problems of the 572B tubes often used in many RF Power Amplifiers
    [ Hits: 446 | Votes: 0 | Rating: 0 ]

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