One Step Mode
[math]U_- = 200 V[/math], [math]U_+ = 390 V[/math], [math]V_+ = 7.5 V[/math], [math]V_- = 9 V[/math],
[math]P_B = 3.97 Torr[/math], [math]P_C = 4.5 Torr[/math],
Trigger: [math]T_1[/math] & </math>T_2</math>