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*15.43 Consider a bistable circuit having a noninverting transfer characteristic with L₁ =-L=5 V, V = -1 V, and VT = +1 V. (a) For a 0.5-V-amplitude sine-wave input having zero average, what is the output? (b) Describe the output if a sinusoid of frequency f and amplitude of 1.1 V is applied at the input. By how much can the average of this sinusoidal input shift before the output becomes a constant value? 15.44 Find the frequency of oscillation of the circuit in Fig. 15.23(b) for the case R₁ = 10 k2, R, = 15 kn, C=1 nF, and R=62 kQ.

Fig: 1