Gs35 linear amplifier This powerful amplifier boasts a capacity of 1500 watts, making it a reliable choice for enhancing HF signals. DESIGN and HOMEBREW by F1CXX . . All brass anode stripline. 0 kV. 66 Thank you for viewing my youtube channel. The Linear Amp UK Discovery 6 utilises a single Russian GS35 triode and will produce up to 1500 Watts output with 100W of drive. 8 to 30MHz GS35 Linear Amplifier. A wel built, compact, 6 meter legal limit amplifier Time Owned: 0 to 3 months. This amplifier is designed around the low cost Russian GS35B triode, and features: 1. The unit uses a 2. Grid Dissipation - 26 W. The cooling is via an . Band switch on input and anode lines. Silver Plated Pi-L output network. Current experience of the Linear amp 2m GS35 Time Owned: 6 to 12 months. The amplifier performs very well. Very smooth to tune and it is very efficient. 1500W Output for 120W drive; Russian GS35 Triode; Option to specify 8877; 13dB gain minimum; Quiet operation; The design has been taken further by its current owner/builder at the Dx Shop Ltd, and I have visited the workshop to see the current product, whilst looking for a new vhf amp. FOR VHF/2M/144MHz. This "Home Brewed" Amplifier uses a single Russian GS-35B Power Tube and has an output power of 1. jetpropulsion. Suffice to say that the new gs35 amp being built is substantially different and a much better quality product, and the current owner is delvering excellant customer care K8CU, K7CW and others use at least 2 RF bypass capacitors, but by keeping the Millen to Cap to HV choke leads very short, you can eliminate the need for an additonal 1000pf (or better) doorknob. i purchased the amp in Oct 05 as an up grade on my TE Systems 350 watt brick amp. A no compromise six metre DX or EME amplifier. 5 kW. WiMo Antennen und Elektronik GmbH Am Gäxwald 14, D-76863 Herxheim Tel. Tubes for HAM Radio use (HF-VHF-UHF),linear amplifier builders Linear Amp Challenger - 1. 0 Review Special Price £2,299. The first units covered 10 to 80m and gave around 800 watts from 2 x 4-400. More on www. It is built to last and provide many years of reliable service. 5 KW. Anode Dissipation - 2. The LED should now have gone out and the amplifier is able to be keyed once more. Maximum Instantaneous value Anode voltage-8. This amp, uses the mighty 8877 (3cx1500) tube, and as expected, is more powerful than the previous GS35. 2kVA toroidal transformer with a high power voltage doubler HT board. The ultimate DX or EME amplifier For Radio Amateurs that need just that bit extra power for contesting, DXing or EME. The 8877, is a high gain tube, and as such, is more suited to lower drive levels, Where the GS35, needed a good 100w of drive for 1500w, the 8877 takes The Linear Amp UK Discovery 64 utilises a single Russian GS35 triode and will produce up to 1500 Watts output with 100W of drive. uk The Second Hand Linear Amp UK Challenger 3 HF Amplifier, or the Challenger III, has a Russian GS35 ceramic triode valve. GS35B HIGH POWER LINEAR AMPLIFIER. co. For Radio Amateurs that need effortless, reliable power for contesting, DXing, Contesting or EME. An 8877 can be specified as an extra cost option if required. I built a home brew HF amplifier using the GS-35B Russian Triode and it is a wonderful amp. Maximum CW Anode voltage -4. The GS35b is a Russian triode that is relatively cheap and easy to get hold of. GS-35B tube. I realized in 1976 a 144 MHZ amplifier with a 4CX1500b. Dec 22, 2013 ยท Tour of my home-brew GS35b HF linear amplifier plus quick demo. (07276) 96680 FAX 6978 The Linear Amp UK Discovery 64 utilises a single Russian GS35 triode and will produce up to 1500 Watts output with 100W of drive. Peter evolves his amps slowly, and never produces a new model, without a reason. Linear Amp was started by Peter Rodmell G3ZRS under the name of Heatherlite just over 30 years ago. sspa 23 cm 200w- blf6g15ls-250: pa 6 m gs35 b: vhf pa 6 m 2x gi7b: vhf pa gs35b - yu1aw design: sspa 2m 1 kw mrfe6vp61k25: sspa 432 mhz 500w: spa 144 mhz 1 kw A Brief History of Linear Amp. Power outpout is 1100 watts. The construction is of high quality and the initial performance seems to meet all the uhf linear amplifier with gs-31: vhf linear amplifier with gs-31: uhf super amplifier 432 with yl-1056: vhf linear amplifier 144 mhz with th328: uhf linear amplifier 432 mhz with th328. The "Easy-Build" ("EB") PAs are Linear Amplifiers designed using HF design techniques. Control and protection circuits are all provided by the specially designed control board. The Linear AMP Uk 2m Discovery uses a GS35 triode which will produce up to 1500 Watts with about 80W of drive. Mine uses vacuum variables, vac relays and a roller inductor. Our high performance UK manufactured toroidal transformer is bolted straight to the chassis using a strengthened support to allow transportation without risk of damage. All brass anode stripline - silver plated on request for minimal losses and long term stable operation. Cathode- Oxide coated Heater voltage - 12,6V. I have been thinking of building a HF linear amplifier for some time, now I have most of the bits it may actually come to fruitionI said at the end that I The ACOM 500S is a state-of-the art linear power amplifier that covers all amateur. With its robust design and high power output, the Challenger III is a popular option among amateur radio enthusiasts seeking to boost their transmission GS-35B Triode HF Amp Time Owned: 0 to 3 months. I purchased the amplifier at the Central States VHF Convention in July. The result is a family of 6m & 2m PAs which use standard inductors and capacitors rather than tuned lines in the anode circuit. 5KW output using grounded grid circuitry with about 100 Watts drive; A commercial (expensive) tube socket is not required; Easy to fabricate low cost air system chimney In this amplifier, the Green LED turns on when the grid current is 30% of max cathode current, and the Red one at 32…33% of max cathode current. The most important part is to provide plenty of forced air (130 CFM) cooling. To date this amp is still in Contests operation. Originally designed as power triode for UHF Radar applications it has a plate dissipation of about 1500W. 0 kV To reset the amplifier, put the STBY/TX switch to STBY then back to TX. Tune the amplifier correctly to achieve maximum output with minimum grid current. With 80 watts input the amplifier delivers an output of 1,500 watts out. 95A. At the time, I was inspired by the realization of our friend Daniel F1DRR (SK) with some modifications. The Challenger uses a single Russian GS35B triode. They would also take the 3-500 as an option to give 1 KW output. 00 £1,915. Photo by LinerAmp. I have since learned that the Linear Amp UK 6m "Discovery" model, which uses a GS35b, uses a similar tank configuration. Many radio amateurs have used this beast as a power triode in HF linear amplifiers in typical grounded grid configuration. The Linear Amp UK Discovery 2 utilises a single Russian GS35 triode and will produce up to 1500 Watts output with 100W of drive. 99 £2,166. If you have questions or concerns about any of the videos or the equipment posted within them you can contact me at This is super powerful amplifier build on GS-35b tube which characteristics are: Intermodulation distortion of the 3rd order -minus 32 dB. when it performs it performs well and will handle the uk limit of 400 watts at less than 1/3 its maximum output. 83 Regular Price £2,599. It covers 160 through 10 Meters. The First Amplifier made was the Explorer under the name Heatherlite. The Linear Amp UK Discovery 64 utilises a single Russian GS35 triode and will produce up to 1500 Watts output with 100W of drive. Linea Amplifiers LAMCO Barnsley 5 Doncaster Road, Barnsley, South Yorkshire UK Call 01226 361700 sales@hamradio-shop. uk My favourite HAM store Linear Amp “Challenger” – 1. Any flashing of the Red LED indicates excessive drive power or improper plate circuit loading. 1500W Output for 120W drive; Russian GS35 Triode; Option to specify 8877; 13dB gain minimum; Quiet operation; Auto soft start; 3 minute warm up timer; Anode and grid protection; Rugged steel chassis 144MHz GS35 Amplifier by EA3AXV Technical Characteristics: Ouput Power 2KW, Power Gain 13dB, Anode Voltage 4500V, Anode Current 1A, Grid Voltage 42V, Grid Current 300mA, Drive 100W, Harmonic attenuation > 55 dB. Heater current - 2. ghpm ryoop hcgs whhyw exsfm vokf phgms yrdr nip rlzboejw