当 Ui = 0 时，这个时候就只有直流信号作用在这个三极管上。Ibq = (Ucc - Ubeq)/Rb = (24V - 0.6V)/800kΩ =0.02925mAIcq = Ibq × β = 0.02925mA × 50 = 1.4625mAUceq = Ucc - Icq × Rc = 24V - 1.4625mA×6kΩ = 15.225V
