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A simple GI7b 6m amplifier. Click here for my 50mhz GS35b commercial amplifier and associated problems. This GI7b amplifier is based on the YU1AW design that can be found on the internet, it's sometimes called the Lazy Builders amp. Completed September '97, is the Blues 112 - I wanted a quality practice amp with a nice tube sound and a decent amount of gain. Single channel, 2 x EL84 output valves, four switchable preamplifier styles and triple spring reverb, all firing into a 12" Celestion Vintage 30. Completed September '97, is the Blues 112 - I wanted a quality practice amp with a nice tube sound and a decent amount of gain. Single channel, 2 x EL84 output valves, four switchable preamplifier styles and triple spring reverb, all firing into a 12" Celestion Vintage 30.

Jan 06, 2013 · This compact little amplifier is the brain-child of Pat Murdoch, ZL1AXB, in Auckland, New Zealand. It is only 11″ wide, 4″ high, and 9″ deep. In most respects it is a typical grounded grid linear amplifier, with the exception of a rather unique tuned cathode input circuit that was developed by Pat over 10 years ago. Aug 14, 2013 · Some tips to prevent 1 type of hum (due to lack of shielding) in audio amplifiers. Much more audio info in my book "Schematics 2, audio amplifiers and loudspeaker boxes", available on the Lulu ... Jan 06, 2013 · This compact little amplifier is the brain-child of Pat Murdoch, ZL1AXB, in Auckland, New Zealand. It is only 11″ wide, 4″ high, and 9″ deep. In most respects it is a typical grounded grid linear amplifier, with the exception of a rather unique tuned cathode input circuit that was developed by Pat over 10 years ago. Mar 06, 2014 · Homebrew RF Power Amplifier Thank god i have reached to this point after having the real linear amplifier. I am going to edit and re-edit this page for sometime till i make a linear myself. Mar 06, 2014 · Homebrew RF Power Amplifier Thank god i have reached to this point after having the real linear amplifier. I am going to edit and re-edit this page for sometime till i make a linear myself. HF amplifiers for ham radio use. category is a curation of 98 web resources on , HF Tetrode Linear Amplifiers, Alpha Amplifier Upgrades, 811 Linear Amplifier project. Resources listed under Amplifier category belongs to Amplifiers main collection, and get reviewed and rated by amateur radio operators.

Nov 04, 2017 · Demonstration of my homemade valve amp. Based on the Mullard 5-20 design with 30w out per channel. Turn the volume up..it rocks!! 144-MHz 1500W 8877 Power Amp by KL7UW This page describes the construction of a 1500-watt 2m amplifier using an 8877. The design follows the classic W6PO design which is described in the Eimac Notes.
Amplificatori Lineari I 5 U X J QRO Home Made Linear Amplifier HF AMPLIFIER. Solid State HF Amplifier 16 MRF150 2.4-KWatt SOLID STATE QRO Amplifier 16 X MRF150; G.G. A falcon (UA6CL) Amplifier with gu74b

Dec 14, 2010 · 6 meter linear amplifier. Welcome to The Island Of The Misfit Hams! If this is your first visit, you must register before you can post: click the register link above to proceed [in the upper right hand corner]. A linear amplifier boosts a radio signal without altering the quality. Some common brands include Amplitec, Emtron, Dentron, and Eimac. Wattage - Using a linear amplifier that boosts the signal by up to 20 times can help your station to reach the maximum output. It can move a transceiver from the 100-watt output power to about 2000 watts. Nov 04, 2017 · Demonstration of my homemade valve amp. Based on the Mullard 5-20 design with 30w out per channel. Turn the volume up..it rocks!!

Nov 04, 2017 · Demonstration of my homemade valve amp. Based on the Mullard 5-20 design with 30w out per channel. Turn the volume up..it rocks!!

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Homebrew RF Circuit Design Ideas "There is no such thing as a new idea. It is impossible. We simply take a lot of old ideas and put them into a sort of mental kaleidoscope. Jan 06, 2013 · This compact little amplifier is the brain-child of Pat Murdoch, ZL1AXB, in Auckland, New Zealand. It is only 11″ wide, 4″ high, and 9″ deep. In most respects it is a typical grounded grid linear amplifier, with the exception of a rather unique tuned cathode input circuit that was developed by Pat over 10 years ago. W2DTC's HOMEBREW 3CX3000F7. GROUNDED GRID TRIODE HF LINEAR AMPLIFIER. click on any photo to ENLARGE. The 3CX3000F7 power grid triode with its 4000 watt plate dissipation loafs along at legal limit Amplitude Modulation, plus It only needs one D.C. power supply. Amplificatori Lineari I 5 U X J QRO Home Made Linear Amplifier HF AMPLIFIER. Solid State HF Amplifier 16 MRF150 2.4-KWatt SOLID STATE QRO Amplifier 16 X MRF150; G.G. A falcon (UA6CL) Amplifier with gu74b Building K5LAD's 4-1000A Amplifier . I built this amplifier back in my younger days, back in the early 1970s. A check of my logbook shows that my first contact using the amplifier was with Gene - K5NYT in Tulsa on 3905 KHz on March 31, 1973.

The DX Shop - Antennas, Amplifiers and Accessories for the dedicated Radio Amateur. From HF, VHF, UHF, 50Mhz, 70Mhz and 144Mhz through to 432Mhz and 1296MHz the DX Shop supplies Linear Amplifiers, Antennas, Aerials, Masthead Preamplifiers, LNA, Coaxial cables and connectors, sequencers and amplifiers for your ham radio station. A tale of three 6V6 Audio Amps. Revisiting a homebrew audio amplifier Some years ago, as a teenager of 15, I decided to homebrew an audio amp I had seen in an article in a 1958 Radio-TV Experimenter magazine. The article showed construction of the Arkay A-12 Hi-Fi amplifier kit and was complete with schematic and under-chassis pictorial. The ...

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A tale of three 6V6 Audio Amps. Revisiting a homebrew audio amplifier Some years ago, as a teenager of 15, I decided to homebrew an audio amp I had seen in an article in a 1958 Radio-TV Experimenter magazine. The article showed construction of the Arkay A-12 Hi-Fi amplifier kit and was complete with schematic and under-chassis pictorial. The ... 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 TE Systems 6 Meter Amplifier Review - TE Systems 0510G 50 MHz meter amplifier set up for 10 watts in and 170 watts out. The 50MHz Assistant - Preamp & Power Amp By Alkberto, I0XGR

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Build a 6-meter 100 watt amplifier using a MRF140 FET. A No-Bandswitch, Dual-Band VHF Desktop Amplifier QEX Jul/Aug 2000 Using a pair of 3CX800A7s, this 6- and 2-meter amplifier yields the legal-limit. Note: QEX projects are not step-by-step articles for the beginner. A Transmatch for 50 and 144 MHz With SWR Indicator 144-MHz 1500W 8877 Power Amp by KL7UW This page describes the construction of a 1500-watt 2m amplifier using an 8877. The design follows the classic W6PO design which is described in the Eimac Notes. This amplifier project is a homebrew linear amplifier that is based on a pair of Eimac® 3-500Z tubes. What I have here is the makings of a really good linear amp.

The DX Shop - Antennas, Amplifiers and Accessories for the dedicated Radio Amateur. From HF, VHF, UHF, 50Mhz, 70Mhz and 144Mhz through to 432Mhz and 1296MHz the DX Shop supplies Linear Amplifiers, Antennas, Aerials, Masthead Preamplifiers, LNA, Coaxial cables and connectors, sequencers and amplifiers for your ham radio station.  

This amplifier project is a homebrew linear amplifier that is based on a pair of Eimac® 3-500Z tubes. What I have here is the makings of a really good linear amp. amplifier features fast warm up and 1500-Watt RF output with 100-Watts of drive. The 3-500Z is a relatively inexpensive tube and has been around for a long time. Each tube has an anode dissipation of 500 watts, 20-Watt grid dissipation and plate voltage up to 4000 volt. Each tube has a 5 Volt/20 Amp filament requirement. With plate

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A tale of three 6V6 Audio Amps. Revisiting a homebrew audio amplifier Some years ago, as a teenager of 15, I decided to homebrew an audio amp I had seen in an article in a 1958 Radio-TV Experimenter magazine. The article showed construction of the Arkay A-12 Hi-Fi amplifier kit and was complete with schematic and under-chassis pictorial. The ... Oct 27, 2019 · The A600 is a 600W HF/VHF linear amplifier using rugged MRF300 LDMOS transistors. 1.8-54MHz, 20dB gain, high efficiency. NXP Homebrew RF Design Challenge entry. Aug 14, 2013 · Some tips to prevent 1 type of hum (due to lack of shielding) in audio amplifiers. Much more audio info in my book "Schematics 2, audio amplifiers and loudspeaker boxes", available on the Lulu ...

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An intermediate frequency (IF) amplifier is a linear fixed-frequency tuned amplifier, found in the IF stage of a super-heterodyne radio receiver. For AM radios, it is typically a common emitter Class-A amplifier which has the purpose of providing selective gain within a narrow frequency range.
Homebrew RF Circuit Design Ideas "There is no such thing as a new idea. It is impossible. We simply take a lot of old ideas and put them into a sort of mental kaleidoscope.

PA150 HF LINEAR 200W Amplifier The PA150 is a 200 Watts SSB/CW rugged HF Linear amplifier units that will give many years of hard working service latest and smallest amplifier. This model PA150 amplifier has outstanding performance in its class and represents truly exception value for money.

Multiband HF Projects - Amplifiers 18 dB LT1253 DDS Amplifier by K8IQY This 18 dB gain amplifier was built Manhattan-style to evaluate the Linear Technology LT1253 dual video amplifier as a candidate output amplifier for DDS systems employing the Analog Devices AD9850 and similar devices. Amplificatori Lineari I 5 U X J QRO Home Made Linear Amplifier HF AMPLIFIER. Solid State HF Amplifier 16 MRF150 2.4-KWatt SOLID STATE QRO Amplifier 16 X MRF150; G.G. A falcon (UA6CL) Amplifier with gu74b The DX Shop - Antennas, Amplifiers and Accessories for the dedicated Radio Amateur. From HF, VHF, UHF, 50Mhz, 70Mhz and 144Mhz through to 432Mhz and 1296MHz the DX Shop supplies Linear Amplifiers, Antennas, Aerials, Masthead Preamplifiers, LNA, Coaxial cables and connectors, sequencers and amplifiers for your ham radio station. I was looking over the plans for the 250w solid state amplifier that came with my 2018 ARRL handbook, however the notes state that it is not for the beginner - which I certainly would be. My goal is not only to have a working HF Amplifier at the end of the project, but to learn about the circuits and components, and construction techniques. Completed September '97, is the Blues 112 - I wanted a quality practice amp with a nice tube sound and a decent amount of gain. Single channel, 2 x EL84 output valves, four switchable preamplifier styles and triple spring reverb, all firing into a 12" Celestion Vintage 30.

A Tale of Two Homebrew 6SN7 QRP Transmitters. These two little homebrew transmitters caught my eye at a ham swap meet. I like simple homebrew circuits and was intrigued by the size and the fact that these transmitters used just a single tube and yet were MOPA circuits (master oscillator - power amplifier). A simple GI7b 6m amplifier. Click here for my 50mhz GS35b commercial amplifier and associated problems. This GI7b amplifier is based on the YU1AW design that can be found on the internet, it's sometimes called the Lazy Builders amp. This homebrew six-meter linear amplifier started off life as a "junker" Alpha 76PA h.f. amplfier. The original Alpha amplifier was missing its two 8874 tubes, and the bandswitch and tuning capacitor had been badly arced and melted. The meter was defective, and an extra hole had been drilled in the front panel. This homebrew six-meter linear amplifier started off life as a "junker" Alpha 76PA h.f. amplfier. The original Alpha amplifier was missing its two 8874 tubes, and the bandswitch and tuning capacitor had been badly arced and melted. The meter was defective, and an extra hole had been drilled in the front panel. 144-MHz 1500W 8877 Power Amp by KL7UW This page describes the construction of a 1500-watt 2m amplifier using an 8877. The design follows the classic W6PO design which is described in the Eimac Notes.

A complete Bill of Materials (BOM) for the 1kw turn-key amplifier, configured as I currently build them, is listed at the end of this article. The original work on the 2m amplifier core was developed and written up in Dubus magazine by F1JRD, and much information can be retrieved with an internet search on his call sign. Aug 14, 2013 · Some tips to prevent 1 type of hum (due to lack of shielding) in audio amplifiers. Much more audio info in my book "Schematics 2, audio amplifiers and loudspeaker boxes", available on the Lulu ... Amplifiers. Give your radio operation a power boost with our selection of amplifiers, including high-power HF amplifiers, solid-state amplifiers, and mobile amplifiers. From affordable 600-watt PEP output to all-out 1,500-watt continuous power, our selection of linear amplifiers will deliver the stable, efficient power punch you need to operate...

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Powerapps distinct delegationDec 14, 2010 · 6 meter linear amplifier. Welcome to The Island Of The Misfit Hams! If this is your first visit, you must register before you can post: click the register link above to proceed [in the upper right hand corner]. Amplificatori Lineari I 5 U X J QRO Home Made Linear Amplifier HF AMPLIFIER. Solid State HF Amplifier 16 MRF150 2.4-KWatt SOLID STATE QRO Amplifier 16 X MRF150; G.G. A falcon (UA6CL) Amplifier with gu74b This homebrew six-meter linear amplifier started off life as a "junker" Alpha 76PA h.f. amplfier. The original Alpha amplifier was missing its two 8874 tubes, and the bandswitch and tuning capacitor had been badly arced and melted. The meter was defective, and an extra hole had been drilled in the front panel. Homebrew 3CX3000A7 Amplifier Note: I have many images of the build in progress- It will take some time for me to get this page into shape= I had been looking for a rugged HF linear amplifier with plenty of headroom. K0JD's Homebrew Projects & Kit Reviews etc. Will, KN6DV - Amplifier homebrew discussion archive. Audio amp schematics etc. near end of this page. Old address for Dan's Small Parts. Dan's Small Parts (for QRP) on-line catalog. Jameco in Belmont, CA mostly solid state parts Dave Hockaday's parts for sale: tubes, xfmrs etc. Jim Potter's page

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Motorola AN762- based Broad Band HF Linear Amplifier with pair of 2SC2290 This amplifier is 1=1 copy of the AN762, but comes with T/R control system, and relays, SWR protection system and switched LPFs for two "bands" (in this case covering 10 & 14 MHz and bands from 18 to 29 MHz). K0JD's Homebrew Projects & Kit Reviews etc. Will, KN6DV - Amplifier homebrew discussion archive. Audio amp schematics etc. near end of this page. Old address for Dan's Small Parts. Dan's Small Parts (for QRP) on-line catalog. Jameco in Belmont, CA mostly solid state parts Dave Hockaday's parts for sale: tubes, xfmrs etc. Jim Potter's page

Completed September '97, is the Blues 112 - I wanted a quality practice amp with a nice tube sound and a decent amount of gain. Single channel, 2 x EL84 output valves, four switchable preamplifier styles and triple spring reverb, all firing into a 12" Celestion Vintage 30. Build a 6-meter 100 watt amplifier using a MRF140 FET. A No-Bandswitch, Dual-Band VHF Desktop Amplifier QEX Jul/Aug 2000 Using a pair of 3CX800A7s, this 6- and 2-meter amplifier yields the legal-limit. Note: QEX projects are not step-by-step articles for the beginner. A Transmatch for 50 and 144 MHz With SWR Indicator W2DTC's HOMEBREW 3CX3000F7. GROUNDED GRID TRIODE HF LINEAR AMPLIFIER. click on any photo to ENLARGE. The 3CX3000F7 power grid triode with its 4000 watt plate dissipation loafs along at legal limit Amplitude Modulation, plus It only needs one D.C. power supply. Homebrew 20 Watt Linear Amp 20 Watt Broadband Linear Amplifier QRP is tons of fun on CW, but it gets a bit rough trying to work other stations on SSB with 5W, especially when you are using antennas that are low to the ground. A simple GI7b 6m amplifier. Click here for my 50mhz GS35b commercial amplifier and associated problems. This GI7b amplifier is based on the YU1AW design that can be found on the internet, it's sometimes called the Lazy Builders amp.

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 TE Systems 6 Meter Amplifier Review - TE Systems 0510G 50 MHz meter amplifier set up for 10 watts in and 170 watts out. The 50MHz Assistant - Preamp & Power Amp By Alkberto, I0XGR A Tale of Two Homebrew 6SN7 QRP Transmitters. These two little homebrew transmitters caught my eye at a ham swap meet. I like simple homebrew circuits and was intrigued by the size and the fact that these transmitters used just a single tube and yet were MOPA circuits (master oscillator - power amplifier).

Build a 6-meter 100 watt amplifier using a MRF140 FET. A No-Bandswitch, Dual-Band VHF Desktop Amplifier QEX Jul/Aug 2000 Using a pair of 3CX800A7s, this 6- and 2-meter amplifier yields the legal-limit. Note: QEX projects are not step-by-step articles for the beginner. A Transmatch for 50 and 144 MHz With SWR Indicator