HF power amplifier 1000W with modern MOSFET transistors VRF2933.
Assembled and tested PCB with matched quad of transistors VRF2933 – 1000W output.
Circuit board is FR4 double layer, 130 x 95 mm , copper thickness 50 um (1.5 oz)
Operating frequency band 1.8 – 30 MHz
Drain power supply voltage 48-60 V
Current consumption 30 A
Input power 6-8 W
Output power 1000W
Size with copper and heatsink 150 x 110 x 160 mm
“Setting the mic gain and compression can be a bit tricky. Too much compression and too much mic gain results in a distorted signal. Jim Heath W6LG describes how he determines where to put the mic gain and where to put the compression... Read more