... Poles " I — L Distributor l ι body V J (D) Figure 2.4 Continued Auto electronics projects Figure 2.5 Auto- advance plot using waveform of Figure 2.4(c) is required to operate ... col-lector goes high again, and the system is ready to generate another spark. 57 Auto electronics projects Note that all stages use the 0 V rail as the sole reference and are thus immune ... 340 V (that is, 1.414 χ 240 V), which is the peak value of the mains supply. Up 59 Auto electronics projects to this point its resistance is high, but reduces consid-erably as soon as...