OK1KIR EME Team - 1296 MHz, Our New System

23 cm SSPA
SSPA 23cm - rear view. Pairs of PA blocks on the left and on the right are mounted in the frame 320x270x440 mm (shown before surface finishing). The heat sink in the middle is cooled by forced air flow from external blower via circular inlet in the middle of the bottom plate.Overall weight of SSPA reaches 32kg, providing an efficiency measure of over 30W rf/kg key down. Not as bad, hi !
23 cm SSPA

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