An amplifier with mid band gain A = 500 has negative feedback

An amplifier with mid band gain A = 500 has negative feedback applied of value β = 1/100. Given the upper cut off frequency without feedback was 60 kHz. With feedback it becomes:

Given that

β =	1
	100

A = 500
f_H = 60 kHz
After feedback. New upper cut-off frequency increases as bandwidth increases after feedback.
f_H* = f_H (1 + Aβ)

= 60		1 +	500		= 60 × 6 = 360 kHz
			100