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Saurabh
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Problem 4.4 from Microelectronics circuits by Sedra and Smith

Find voltage V and current I. As per booksthe book, answer is (e) 3 mA, +3 V; (f) 4 mA, +1V . But I don't know how we got there.

Edit: For figure (e):

I understand that diode connected to +3V supply will be forward biased because the anode of this diode is connected to maximum positive voltage in the circuit. But, I don't understand why diodes connected to +2V and +1V is reverse biased.

For figure (f):

Diode connected to +1V supply is forward biased because cathode of this diode is connected to least positive voltage in the circuit.But, I don't understand why diode connected to +2V and +3V is reverse biased.

Problem 4.4 from Microelectronics circuits by Sedra and Smith

Find voltage V and current I. As per books answer is (e) 3 mA, +3 V; (f) 4 mA, +1V . But I don't know how we got there.

Problem 4.4 from Microelectronics circuits by Sedra and Smith

Find voltage V and current I. As per the book, answer is (e) 3 mA, +3 V; (f) 4 mA, +1V . But I don't know how we got there.

Edit: For figure (e):

I understand that diode connected to +3V supply will be forward biased because the anode of this diode is connected to maximum positive voltage in the circuit. But, I don't understand why diodes connected to +2V and +1V is reverse biased.

For figure (f):

Diode connected to +1V supply is forward biased because cathode of this diode is connected to least positive voltage in the circuit.But, I don't understand why diode connected to +2V and +3V is reverse biased.

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Saurabh
  • 41
  • 1
  • 7

How to solve this diode circuit?

Problem 4.4 from Microelectronics circuits by Sedra and Smith

Find voltage V and current I. As per books answer is (e) 3 mA, +3 V; (f) 4 mA, +1V . But I don't know how we got there.