Chinese HF power amplifier SSB CW 1000W MOSFET VRF2933 copper and heat sink no LDMOS

s-l1600a

s-l1600c

s-l1600b
HF power amplifier 1000W with modern MOSFET transistors VRF2933.
See Youtube video about this MOSFET VSWR ruggedness https://www.youtube.com/watch?v=bMEsEATudgM
Assembled and tested PCB with matched quad of transistors VRF2933 – 1000W output.
Transmission line output transformer on 43 material cores.
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

Price: $390.00 USD

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