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Q Explain about 'Darlington Amplifier'?
DARLINGTON AMPLIFIER : A CC stage followed by another CC stage has an input resistance of about (b + 1) 2 times the emitter resistance of the second stage. More precisely, using the b transform, it is
If RE1 is removed, the second term is about b2 times RE2. Furthermore, if the collectors are connected together, the result is a Darlington stage, as shown below.
This stage can be viewed as a "Darlington transistor" because it has three terminals and an equivalent b of about b2 . Darlington BJTs can be used in any of the three BJT configurations.
Q. Consider an elementary three-phase, four-pole alternator with a wye-connected armature winding, consisting of full-pitch concentrated coils. Each phase coil has three turns,
Q. Sketch the asymptotic Bode diagrams for the following functions:
a. Explain State Transition Diagram and define the various SDL symbols used in state transition diagram. b. Draw the signal exchange diagram for a local call used to show the se
when I am given
Operation of octal to binary encoder
Ballistic galvanometer
The Input Output System The input output system provides the physical connection between the equipment and the PLC there are many different kinds of I/O cards which ser
Consider a GLC parallel circuit excited by i(t) = Ie st in the time domain. Assume no initial inductive current or capacitive voltage at t = 0. Draw the transformed network in the
Q. For the configurations of the coupled coils shown in Figure, obtain the voltage equations for v 1 and v 2 .
Explain the Meaning of Duality in Boolean Algebra? Any algebraic equality that derived from the axioms of the Boolean algebra remains true when the operators OR and AND are in
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