A Zener diode regulator in the figure is to be designed to meet the specifications: IL = 10mA, V0 = 10V and Va varies from 30V to 50V. The Zener diode has Vz = 10V and Iz for satisfactory operation.
The input signal voltage to the full-wave rectifier circuit in the following Figure in the text is v = 160sin(2π(60)t) V. Assume Vy = 0.7V for each diode. Determine the required turns ratio of the transformer to produce a peak output voltage of (a) 25V, and (b) 100V. (c) What must be the diode PIV rating for each case?
(a) At what reverse bias voltage does the reverse-bias current in a silicon p-n junction diode reach 90% of its saturation value? (b) What is the ratio of the current for a forward-bias voltage of 0.2V to the current for a reverse-bias voltage of 0.2V?
The reverse-bias saturation current for a set of diodes varies between 5 x 10^(-14) A <= Is <= 5 x 10^(-13) A. The diodes are all to be biased at ID = 2mA. What is the range of forward-bias voltages (built-in voltage) that must be applied?
A Zener diode regulator in the figure is to be designed to meet the specifications IL = 10 mA, Vg = 10V and Va varies from 30V to 50V. The Zener diode has Vz = 10V and Iz for satisfactory operation. Calculate the range of suitable resistors Rx and R for V = and Va for satisfactory operation.
The input signal voltage to the full-wave rectifier circuit in the following Figure in the text is v = 160sin(2π(60)t) V. Assume Vy = 0.7V for each diode. Determine the required turns ratio of the transformer to produce a peak output voltage of (a) 25V, and (b) 100V. What must be the diode PIV rating for each case?
(a) At what reverse bias voltage does the reverse-bias current in a silicon p-n junction diode reach 90% of its saturation value? (b) What is the ratio of the current for a forward-bias voltage of 0.2V to the current for a reverse-bias voltage of 0.2V? The reverse-bias saturation current for a set of diodes varies between 5 x 10^(-14) A and 5 x 10^(-13) A. The diodes are all to be biased at Ip = 2 mA. What is the range of forward-bias voltages (built-in voltage) that must be applied?
