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two identical CE amplifiers are connected in cascade. The first stage is fed with a source eVsig having a resistance Rsig= 10k ohms. A load resistance Rl=10K ohms and is connected to the collector of the 2nd stage. Each BJT is biased at Ic= .25mA and has beta =100 and a very large Va. Each stage utilizes a collector resistance Rc=10K ohms. (a) Sketch the equivalent circuit of the two stage amplifier. (b) Calculate the voltage transmission from the signal source to the input of the first stage. (c) Calculate the voltage gain of thefirst stage, Av1. (d) Calculate the voltage gain of the second stage, Av2. (e) Find the overall voltage gain, Vo2/Vsig.
A 9.2 kg crate is pulled up an incline with initial speed of 1.2 m/s A pulling force of 105N is applied parallel to surface of incline which is at angle of 21.8 degrees to horizontal The coefficient of kinetic friction is .32 and crate is pulled d..
Four frequencies are applied at the input of a non-linear amplifier. Write down all of the frequency components at the output of the non-linear device. Write down only the first three harmonics.
A two resistor voltage divider consists of a 10 k and a 15 k ohm resistor, with the 10 k resistor connected to the voltage source and the 15 k resistor connected to ground. If the output voltage is 2.5 V, what is the value of the voltage source
Is there any advantage of star connection over delta w.r.t. induction motors? Also, is there any advantage or disadvantage of star connection over delta w.r.t. distribution and transmission of power? Please explain the reasons for all the advantag..
Determine what kind of filter (low pass, high pass, bandpass, or band stop) the circuit represents. Briefly justify your answer. Confirm by computing the Bode plot using MATLAB and paste the graph below.
What are the distinguishing features of the response in the pass-band? What are the distinguishing features of the response in the stop-band? What is an all pass filter?
A continuous time system, described by y(t) = 5 Cos (2*pi*20*t + pi/2), is sampled at a rate 320 Hz. (a) Write the mathematical expression that describes the discrete time (sampled) signal. (b) Calculate the value of the discrete signal for n = ..
Moore sequential circuit, A Moore sequential circuit has one input and one output.The output goes to 1 when the input sequence 111 has occurred and the output goes to 0 if the input sequence
Incremental Update. Typically, after every hop at least one packet header field (e.g., a packet's time-to-live field) needs to be overwritten. Because the checksum is a simple complement of a 1s complement sum, it turns out that when, for instance..
Design a simple unipolar drive circuit such that the electrical time constant is 2 msec at phase turn-on and 1 msec at turnoff. The stepping rate is 300 steps per second. A three-phase variable-reluctance stepper motor has parameters.
Submit an excel spreadsheet with your characterization results, and a screen shot of you amplifier schematics, and your simulation result running a sin wave (Use a vsin for input).
A rectangular chip has a top surface of 0.5 cm by 2 cm cooled by air at 20 oC with h = 150 W/m2.K. There are also 16 connector pins, 1 mm wide, 0.5 mm thick, 6 mm long and k = 60 W/m.K attached to a circuit board at 30 oC.
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