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Circuit Symbol Given the current regulator shown below, derive an expression for the resistor value, Rs,...
Find the differential half-circuit for the differential amplifier shown in Figurre and use it to derive an expression for the differential gain Ad= vod/vid in terms of gm, RD, and RS. What is the gain with RS =0? What is the value of RS (in terms of 1/gm) that reduces the gain to half this value?
A21921 2. +9V Re Vout Re RE CE 0v Figure 3 (a) ) State the purpose of each of the capacitors Cin, Cout and Ce in the circuit [3 shown in Figure 3. (i) Derive an expression for the input resistance of this circuit in terms of the [5 mutual conductance of the transistor gm and its current gain β. we require an amplifier with a gain of-100, an output impedance of 1kΩ and an input impedance of 1k2. The...
5. Electric power is going through throe components in a circuit (a) a resistor, (b) an inductor (coil), and (c) a capacitor. The currents and the voltages are monitored across each of these components as a function of ie. For any given component, the angular frequencywis constant for the voltage and current functions. The results are shown below. Explain what do the dashed circles mcan, and thus draw phasors for the voltage and current functions at the phase wt a...
RC Transient Response 1. Refer to the circuit below: o w + VR- i ict) 100V 4TOV TVC a. Determine the time constant of the circuit b. Write the mathematical equation for the voltage ve following the closing of the switch C. Determine vc after one, three and five time constant d. Write equations for current, ie and voltage across resistor, VR e. Sketch Vc and ic f. Determine ve at t = 1ms g. (Bonus) Find the time t...
Problem 14) : An "enhanced" Voituge Regulator' with a BTT "Current Booster". By crocling to it a "power BJT" device as shown, the ordinary Zener ! Voltage regulator can now provide a lood RL a regulated 12.3v DC with a significantly higher DC current 67 0,3A ! The anergizing Source consisting of 18V DC (with mpple Y = 0.5 sin 2407€ votes), is obtained by F.w. rectification and filtering of a portion of the 60-HZ AC Line voltage.. A "V"...
Download the datasheet for 2N3904 and find the value of Bp. (Hint: Use average value) Be= Voc +10 V RB We are going to consider the common emitter configuration circuit shown in the figure to test a 2N3904 npn Bipolar Junction Transistor (BJT) under DC bias conditions. Your circuit should place a fixed collector resistor, Rc, in the circuit to prevent the collector current, Ic, from exceeding 40 mA (for this, you know that the minimum value of is zero)....
Problem 3: (20 points) A zener-diode voltage regulator circuit is shown belkw zener diode has breakdown voltage Vz 8.0V and the zener resistance is nsumed to be 0 ohms. The power supply voltage Vps can vary between 10V and 14V and the lod resistance Ri can vary between 100 ohms and 1 kohm, 圧 1. Find a value of R such that the zener diode remains properly biased over the range of variation of Vps and RI (hint: the minimum...
L Consider the circuit shown below by Using the traar fanction found in pat (ak derive an cxpression for the ow c) Using circuit analysis, derive an epssio o te lorw-froquency gain a, Aun (5 pts (d) Using the transfer fatile fundi.~ส6aa.deme an epression fr the hi froguency gain, (5p) e) Using cecuit analysis, derive an expssion o te high-frogency ga,A (5 pts) Expeess A (s) in the following o Find an exprossion for Aan ande (30pes For parig,through h@aunetha...
Consider the following circuit with a supply current, i(t) 8u(t), shown in the figure below. Determine iL(t) for t 2 0 given that Rl - R2 2 and L 4H R1 is() R2 1. Using the tables provided, what is the -domain equivalent of the source current, i (t)? 2. Derive an equation for Lz(s) in s-domain. (Hint, this is a current divider.) 3. U se partial fraction expansion to simplify the expression above and Convert back to time domain...
Part e please For the circuit as shown below, given that R1-4Q,R2-2a,R3-10Q,Rs.12Ω. L-4H,C-0.64 F, and VS-18V. Ri ic R: 巧 叱: (a) Determine vc(0) and lc(O): vc(0) 5.143 (V); Ic(O) 0.000 (A) You are correct. Previous Thes receipt no. is 163-9387 (b) Determine vc(oo) 0.000 (V) ou are correct. Your receipt no. is 163-5720 (c) Determine the damping coefficient o 0.500 (Np/s) You are correct. receipt no. is 163-348 Previous Tries (d) Determine the resonant frequency 40: 0.625 (rad/s) You...