Why the five times?
I think this is just a safety factor to reflect that in a bag of real transistors the gain changes quite a bit from device to device. Although you do say the minimum gain, I think it is just belt and braces.
Why the five times?
I think this is just a safety factor to reflect that in a bag of real transistors the gain changes quite a bit from device to device. Although you do say the minimum gain, I think it is just belt and braces.