A lateral pnp device has base width of 10 m and diffusion coefficient for base region is 10 cm2/sec. the unity gain frequency is __________.

A lateral pnp device has base width of 10 m and diffusion coefficient

1.	A lateral pnp device has base width of 10 m and diffusion coefficient for base region is 10 cm2/sec. the unity gain frequency is __________.
A.	20 MHz
B.	10 MHz
C.	6.36 MHz
D.	3.18 MHz
Answer» E.