HF power amplifier SSB CW 1000W MOSFET SD2943 copper and heat sink
PA1000W SSB/CW 1.8-30 MHz with copper plate and aluminum heatsink!
HF power amplifier 1000W with modern MOSFET transistors SD2943.
See Youtube video about this MOSFET VSWR ruggedness
Assembled and tested PCB with matched quad of transistors VRF2933 - 1000W output.
Temperature compensated BIAS voltage regulator.
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