Question

Define the break-away voltages of a circuit as the coordinates on the circuit's operating curve in the i-V diagram where there are discontinuities in gradient. For example, the following i-V diagram indicates two break-away points, Vireak, at 2V and 2.5V. (mA) 125 ----- 10.0 ----- Segment B -Segment 30 Segment 2.0 2.5 Such gradient discontinuities are typically caused by nonlinear devices such as diodes. Given the background information, answer the following questions. Consider the diagrams below. Assume the voltage across the diodes including Zener diodes is 0.6V when the current in forward direction. The reverse breakdown voltages for Zener diodes are given as V for each diagram. Please determine all the break-away voltage(s) for the circuits. a) O + 10 Voreak= 1.83, 3.82 Enter as comma separated list TT TT TT

Answer 1

For the positive input the 3 dioder ! break For négative half input I diode pahle .. current flow fwrough poiul : (0.6)* 3 = 1.sv the current flow Horough Break point - .. Vibreate = noon, lisi For positive input the renox diodes steels conduefing a Niu> VG, HVba & Vin> 5.445.3 - (10-70) negative input the loreale down voltage (2*0.6) = -12 4 For © Voreat = (-1.2V, 10.74 ) for positive impul Diodo concluctus from Viu 70:6 For negativo suput zewordiodo conducts from Vin c-oby Voreal = (-0.60, 0.60)

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