HF Linear Amplifier Henry 2K4 (USA)
This linear amplifier was made on 60's by Henry Radio in USA. It's very heavy unit console due to the heavy dutytransformer. It uses 2 tubes 3-500 ZG by Amperex. Using 80 Watts from Kenwood TS 930 to drive the Amplifier, it will give 1 KW with 1.6 KV......
HF Linear Amplifier
FET HF linear amplifier based on Mitsubishi RD16HHF1...
HF LINEAR AMPLIFIER 800W
HF LINEAR TESTING 800W ON 15M BANDRF IN 25W MAXRF OUT 900W MAX1-30 MHz BROADBANDPOWER SUPPLY 48-65V/20ABias current 3.2A total...
HF LINEAR AMPLIFIER 1200W
testing hf amplifier on 20m bandmode ssbrf in:15wrf out:1400w maxpower supply:50vmosfets 4xSD2933 push pullclass AB...
HF Autotune Linear amplifier OH8LQ
Automatic tube linear amplifier with GU-84b...
Henry 2KD-5 Linear Amplifier
Henry 2KD-5 Linear Amplifier...
GU81M HF Linear Amplifier: Close-Up
Homebrew HF linear amp using two GU81M tubes. Also close up of the HV supply...
Harris RF-110A HF Linear Amplifier Operational
RF-110A operating with input drive, monitoring the output on a scope and power meter....
ALPIN 100 HF/50mhz Linear Amplifier G3VM
ALPIN 100 amplifier on sale at The Ham Radio Shop in Bristol G3VM www.thehamradioshop.co.uk...
Yaesu FLDX2000 HF Linear Amplifier Part 1
Back to the amateur radio stuff......
HF LINEAR AMPLIFIER 500W WITH AUTO BIAS
DX WORLD ELECTRONICStesting HF linear amplifier on 20m bandRf input:15wRf output:500wpower supply:48-55v/20Afreq:1-30MHz Broadbandauto bias means that when you transmit (tx) bias automatic goes ON and when in receive mode (rx) bias is OFF so the mosf......
Yaesu FLDX2000 HF Linear Amplifier Part 2
Good heavens, it works... Of course, it was connected to a dummy load. When I watched the video I noticed the power meter needle wasn't zeroed, so there may have been a few more watts coming out of it. The bird Thruline will tell the tale. I forgot t......
HF LINEAR AMPLIFIER 1KW SD2933 AUTO BIAS
Testing HF linear amplifier with auto bias4xsd2933 push pullclass ABauto bias circuit means when transmit automatic the bias goes ONand when in rx (receive mode) the bias is OFF so the mosfets are off and there is no heat.Order and info email: jim_81......
Home Brew GS-31B HF Linear Amplifier
This is a short video of my GS-31B HF amplifier working. It still needs a few finishing touches like labeling all the LEDS, recaling the voltage scale on the plate meter, and machining ventilation holes in the lid so I can operate it safely...but fo......
Testing Chinese HF linear amplifier DIY kits 70W SSB linear HF Power Amplifier For YAESU FT-817 KX3
Linear que pode ser usado no ararinha, QRPs, FT817 e outros. Nos testes você pode ver a potência real de saída em CW key down. Fiz uns testes em FM também é mesma coisa. Muito bom amplificadorzinho, inclusive para testar toróides desconhecidos, mosfe......
GK-71 HF Linear amplifier Sukhoi - by YO6PMX
This amplifier was built with the good old GK-71, for my friend Val, YO6DDF. It is first grid driven and delivers 600W FM from one tube....
SLA300 Sommerkamp HF linear Amplifier Fan Mod Testing
Testing the Noise level of 2x Gelid Silent14 added to the SLA300 Sommerkamp...
HAL 600 Solid state HF linear amplifier test
This video shows the HAL 600 linear amplifier power output on a 50 ohm dummy load.This unit is SN 005 purchased by myself more than 1 yr ago and working flawlessly."State of the art amplifier" , more infos at www.GBHS.it...