An operational-amplifier circuit is shown in the figure.The

An operational-amplifier circuit is shown in the figure.

The output of the circuit for a given input v_i is

Output of first Op-Amp is +V_sat
2_nd Op- Amp circuit is non- inverting amplifier

∴ V₀ =		1 +	R		V_sat > V_sat
			R

∴ V₀ = ± V_sat

-		R₂		v_t
		R₁

-		1 +	R₂		v_t
			R₁

		1 +	R₂		v_t
			R₁