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For the input stage of the 741 op-amp, assume B-E breakdown voltages of 5 V for the npn devices and 50 V for the pnp devices. Estimate the differential input voltage at which breakdown will occur.
The transformer's equivalent series impedance referred to its low-voltage side is 0.10 + j0.4 W. The load on the transformer is 90 kW at 0.8 PF lagging and 2300 V.
Discuss the properties and practical applications of the following electrical engineering materials : (a)Carbon and graphite (b) copper
Reduce the block diagrams below to find the equivalent transfer function a. (Case a only) First find unity feedback form, then find the equivalent overall transfer function
If the resistance of an antenna can be neglected, what must be the characteristic impedance of the transmission line feeding the antenna so that the antenna radiates maximum power?
What is the shape of the emission envelope for differential-mode and for common- mode radiation if the source of the emission is an isosceles triangular-shaped current pulse as shown in Fig. 11-3?
A coil of 10H inductance and 5Ω resistance is connected in parallel with a 20Ω resistor across a 100-V DC supply which is suddenly disconnected. Find The voltage across the 20Ω resistor initially and after 0.3 sec.
What was the effect of removing the dependent source from the circuit? Does the overall power supplied or power dissipated change?
A signal source produces a 4 volt peak-to-peak sinusoid and has a source resistance of 100 ohms. We wish to drive a grounded 10 ohm load to at least 2 volts peak-to-peak with this source. The load cannot tolerate DC. Your amplifier should not burn..
(a) Find the polarization state of the transmitted beam, assuming that the incident beam is linearly polarized in the y direction. (b) Show that a half-wave plate will convert right-hand circularly polarized light into left-hand circularly polariz..
What causes the current gain to decrease both in the case of a low collector current and at a high collector current?
Given a complete sequential program without any branches (no GOTO and CALL statements) that consists of 12813 instructions and a PIC microcontroller that is connected to a 2.0 MHz external clock/oscillator
C++ Program Help, make a program that will read a file from a disk and will take the first letter of each word and and make that into a sentence.
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