ring amplifier

ring amplifier

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• Repairing the Alpha 87a - W8TN article on repairing an Alpha 87a power amplifier
  [ Hits: 331 | Votes: 0 | Rating: 0 ]

• Controlling the PW-1 Amplifier - Configuring dxlab commander to properly control the Icom PW-1 power amplifier
  [ Hits: 220 | Votes: 0 | Rating: 0 ]

• Icom IC-7700 Power Amplifier Module - A well documented PDF document containing picture sequence taked during the repair of an Icom IC-7700 HF transceiver power amplifier module
  [ Hits: 661 | Votes: 0 | Rating: 0 ]

• Mirage BD-35 Manual - Manual of the BD-35 Dual Band VHF UHF RF power amplifier by Mirage Amp
  [ Hits: 618 | Votes: 2 | Rating: 5.5 ]

• RM VLA 200 Manual - VHF Power amplifier VLA 200 english manual
  [ Hits: 887 | Votes: 6 | Rating: 6.17 ]
• RM VLA 200 schematic - Schematic diagram of the VLA 200 power amplifier by RM Italy
  [ Hits: 891 | Votes: 5 | Rating: 6.4 ]

• 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 ]

• 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: 192 | Votes: 0 | Rating: 0 ]

• Home Made 2.4 kW HF Amp - A Solid State HF Amplifier with 16 mrf150 featuring 2.4 kW 1.8 MHz - 30 MHz
  [ Hits: 1596 | Votes: 3 | Rating: 7.67 ]
• Reparing a Heathkit SB-101 - A document describing the reparing and restoration of an old Heathkit SB-101 power amplifier
  [ Hits: 325 | Votes: 0 | Rating: 0 ]
• A Compact 600W Broadband HF Power Amplifier - A 600W 1.8 MHz to 54 MHz power linear amplifier made using rugged MRF300 transistors featuring output power between 580W and 750W depending on band, power supply: 48V, 18A typical, 20A max
  [ Hits: 597 | Votes: 6 | Rating: 7.33 ]
• 600W LDMOS Power Amplifier - A comeplete home made 600W LDMOS RF power amplifier. Settings can be made on a 7-inch touch screen, and on this screen you can see a lot of useful information during operation, such as output power, temperature, SWR, and so on. The power amplifier includes 2 MRF300 LDMOS FETs and several built-in sensors. The amplifier also contains several types of protection functions like too high current, too high swr, too high temperature, etc.
  [ Hits: 885 | Votes: 1 | Rating: 10 ]
• 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 ]

• 432 MHz 100W RF Power Amplifier - This article describes the construction of a 100-Watt, 70 cm amateur band linear power amplifier. It is the result of a protracted period of experimentation during which I investigated a number of final amplifier stages from obsolete UHF FM 2-way radios.
  [ Hits: 239 | Votes: 1 | Rating: 9 ]

• 50 MHz 300W Power Amplifier - This project addresses the need for a 50 MHz Amplifier providing substantial power for Australian "Advanced Licensees" permitted to use 400W PEP in the 52-54 MHz band. In regions limited to 100W PEP due to TV channel usage, this initiative aims to enhance power output for transceivers with lower capabilities on the 6m band.
  [ Hits: 69 | Votes: 0 | Rating: 0 ]

• Behringer HA400 Headphone Amplifier and RFI - Removing disturbing RFI from the Behringer HA400 Headphone Amplifier, using ferrites and capacitors soldered in the main circuit board of the small amplifier.
  [ Hits: 121 | Votes: 2 | Rating: 5.5 ]

• Two Tone Generator - A two tone generator is an essential test gear made with just four transistors that helps you evaluate your amplifiers, mixers, receivers for distortion. Distortion makes all the difference between a pleasant receiver and a horrible sounding one, between a clean transmitter and bad, splattering one on air.
  [ Hits: 81 | Votes: 0 | Rating: 0 ]

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