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For a transistor in the same technology but with an emitter junction that is 32 times larger, what is the saturation current?
Two transistors have EBJ areas as follows: AE1 = 200 µm × 200 µm and AE 2 = 0.4 µm × 0.4 µm.
What is the maximum current that the zener in your design is required to conduct? What is the zener power dissipation under this condition?
A half-wave rectifier circuit with a 1-kO load operates from a 120-V (rms) 60-Hz household supply through a 12-to-1 step-down transformer.
A full-wave rectifier circuit with a 1-kO load operates from a 120-V (rms) 60-Hz household supply through a 6-to-1 transformer having a center.
A full-wave bridge-rectifier circuit with a 1-kO load operates from a 120-V (rms) 60-Hz household supply through a 12-to-1 step.
Let vS be a sinusoid with 10-V peak amplitude, and let R = 1 kO . Use the constant-voltage-drop diode model with VD = 0.7 V.
Assume that a conducting diode has a voltage drop of 0.7 V. The ac line voltage is 120 V rms.
Discuss some examples of how the nobility dominated European society. Contrast this traditional role with the changes brought about by the agricultural
What you think a historian's job is, what skills a historian needs to do that job, and how those skills might be applicable to your career and/or major goals.
From these documents, describe how American and other European colonists felt about Native Americans as well as future European immigrants.
Survey your course textbook and reliable internet websites to locate two art objects from each of the following five cultures: India, China, Japan, Africa
When the transformer turns ratio is such that the voltage across the entire secondary winding is 20 V rms.
If the magnitude of the average of each output is to be 12 V, find the required amplitude of the sine wave across the entire secondary winding.
What average output voltage results? What fraction of the cycle does the diode conduct?
Find the maximum reverse voltage that will appear across the diode, and specify the PIV rating of the diode.
Find the average dc output voltage, the time interval during which the diode conducts, the average diode current during conduction, and the maximum diode .
Each supply should be capable of providing 100-mA dc current to its load resistor R. Completely specify the capacitors, diodes, and the transformer.
Find the average output voltage obtained when vI is a symmetrical square wave of 1-kHz frequency, 5-V amplitude, and zero average.
Sketch the transfer characteristic of the circuit resulting, assuming that the cut-in voltage of the diodes is 0.5 V and their voltage drop .
Utilize The venin's theorem to simplify the circuits and find the values of the labeled currents and voltages.
What is the maximum allowable voltage signal (positive or negative) if the current change is to be limited to 10%?
What is the corresponding small-signal resistance of each diode and of the combination?
If vs = 10 mV, find vo for I = 1 mA, 0.1 mA, and 1 µA. Let Rs =1 O. At what value of I does vo become one-half of vs?
Calculate the value of line regulation for the case V+ = 15 V (nominally) and (i) m = 1 and (ii) m = 4.