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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.
(a) Find the Fourier series for the square wave shown in Figure(a). (b) Let a voltage source having the waveform of part (a) with a peak value of 100 V and a frequency of 10 Hz
What is the function of gate signal in 8254 timer? The 8254 has three independent 16-bit counters, which can be programmed to. Work in any one of possible six modes. Every cou
What is the significance of "4-20 mA" signal in hart protocol? Ans) the HART protocol is an old Frequency Shift Keying way of distribution data, typically from highway sensors.
The vehicle batteries shall be owned by the battery service provider. The automobile battery shall be recyclable, environmentally friendly, and safe. The battery service pr
A 440v 4-pole dc generator takes an armature current of 50A when rotating at 626 rpm. the armature circuit resistance is 0.25 ohms. determine the generated emf?
Q. Explain the frequency response curve of a RC coupled amplifier The frequency response curve of a typical RC coupled Amplifier is shown below: In mid frequency range
Q. What do you mean by Time consistent Busy Hour? (i) Busy Hour (ii) Peak Busy Hour (iv) Time consistent Busy Hour (v) Traffic intensity Ans: (i) Busy Hour: C
Energy Gap Differentiating feature between the metals, insulators, and semiconductors. Ascertains the absorption or emission spectra, the leakage current, and the intrin
Q. For the circuit shown in Figure(a), determine the diode current and voltage and the power delivered by the voltage source. The diode characteristic is given in Figure.
What is programmable interrupt controller? The Programmable interrupt controller is used when several I/O devices transfer datausing interrupt and they are connected to the sam
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