Nuova realizzazione di amplificatore vhf con valvola 8877

Nuova realizzazione di amplificatore vhf con valvola 8877-3cx1500

Performance data for the 144-MHz power amplifier under the conditions
most suitable for amateur ssb (2000 watts PEP) and cw (1000 watts).

             Plate voltage                                              3000 V         2500 V           2500 V
             Plate current (single tone)                     667 mA         800 mA         400 mA
             Plate current (idling)                                    54 mA          44 mA          44 mA
             Grid voltage                                                            -12 V          -12 v          -12 V
             Grid current (single tone)                             46 mA          50 mA          28 mA
             Power input                                               2000 W         2000 W         1000 W
             Power output                                         1240 W         1230 W          680 W
             Efficiency (apparent)                                       62 %           62 %           68 %
             Drive power                                                         47 W           67 W           19 W
             Power gain                                                   13.8 dB        12.6 dB        15.5 dB

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