1. Estimate the base transit time for an npn bipolar transistor if the undepleted base width is 120 nm and the base doping is 10 18 cm –3 2. Estimate the base transit time for a lateral pnp bipolar...

1. Estimate the base transit time for an npn bipolar transistor if the undepleted base width is 120 nm and the base doping is 10¹⁸
cm^–3

2. Estimate the base transit time for a lateral pnp bipolar transistor if the undepleted base width is 250 nm and the base doping is 10¹⁷
cm^–3.