Transform the given circuit from Δ to Y. Assume Ra-66 Ω, Rb-76 Ω, and Rc-68 Ω....
4. Assume you have 3 resistors with the resistances 1 Ω, 3 Ω and 7 Ω, respectively. a) How many resistors can you make from these resistors! b) Calculate the resistances of all possible resistors. 5. (FPext-ed8: 27-39) In Figure 3, E-12.0 V, R1-2000 Ω, R2 = 3000 Ω and R3-4000 Ω. What
Rc circuit
R2 7) R3 Four resistors of values R1 = 2.0 Ω, R2 = 4.0 Ω, R3-3.00, and R4° 9.0 Ω are connected across an 8.0 VDC source as shown in the above figure, what is the power dissipated in R2, the 4.00 resistor? A) 4.0 W B) 16. W C)9.0 W D) 7.1 W E) 1.0 W 8) Also calculate the voltage across R a) 1 V b) 2 V c) 3 V d) 4 V
4. Assume Vcc-15V, Ra 20KQ, Rc-2ΚΩ, Vae* 0.7V and VCESA,-0.1V for the circuit given below. Given Vi points), and (5 points),region of operation. Find ls (5 points), Ic (5 points) and Vi (5 points) for when the a. 0.9V and /C-3mA, find IB (5 points), ß (5 points), Vout. (5 b. transistor becomes saturated Rc Rb VoutVcc in
The ac equivalent circuit for an amplifier is shown in Fig. P13.59. Assume the capacitors have infinite value, R1 = 750 Ω, RB = 100 kQ, Rc = 62 kQ, and R3 100 kS2. Calculate the voltage gain and input resistance for the amplifier if the BJT Q-point is (40 μΑ, 10 V). Assume β,-100 and V,-75 V. 13.59 / 1 C. I Thévenin equivalent
ans,
RA = 721.5 kohms, RB = 360.8 kohms, R3 = 3.5kohms as an example
solution.
Question 7 (6 marks) You have been given a 555 Timer, an LED with Von 2V, a 9V battery that can comfortably supply 5mA of current without loss of voltage, a 1 μF capacitor and access to any resistor values you want. You are to design a circuit that causes the LED to flash periodically once per second with a duty cycle of 75%....
(50 pts) For the following circuit, solve for R, Ra, Rs, R, and Rs given the specified voltages and current. The values of R will be 600Ω. 1000Q, 5000Q, or 10K. Remember that tolerance will be a factor in your calculations. 4. 0.00311A 500 Ω 600 Ω R1 Ω O Node 1-17.03 V 5,000 Ω 10 kΩ R2Ω Node 2-10.81 V R3 Ω 36 V 600 Ω 1ΚΩ Node 3-7.78 V Node 4 -4.95 V , 600 Ω O Node...
Problem 5 Given the following circuit, assume the following parameters VBB IV, RB 220 k, RC = 2 k, VCC= 10 V, VBE(on)-0.7 V, and B 200 a) Calculate the base, collector, and emitter currents and the C-E voltage, also, calculate the transistor power dissipation b) What transistor configuration does the circuit resemble? Vcc=10V RC=2k Rg=220 kQ VCE VBB= 1V o + VRE IB
Design the second order band stop filter (notch
filter) whose circuit is given below so that the resonance
frequency is 400 Hz and Q = 5 and plot the change of the gain
according to the frequency in the Pspice program and show it on the
parameters of the filter. (Select LM741 for OPAMP.)
(values can be chosen randomly but it must be consistent
pspice is not required. R1 R2 Ra Rb what to choose.
Show that equations
C R₂...
5. (20 points) For the amplifier in the following figure: +Vcc Rout Rc C3 R2 Rin Ri 1 k R3 Vo Vi R1 RE -VEE a) Draw the de equivalent circuit and find the Q-point. Assume B -75 b) Draw the equivalent circuit used for ac analysis. Find the values in Thevenin equivalent representation for the amplifiers between C, and C as shown below. What is the maximum value of v, that satisfies the small- signal assumption? Rout Ri vi...
no
figure was given
ag 13 In the circuit in the figure the voltage from the power source is Vps=80V and the values of the resistors are R1 =35, R2=49, R3=100 and R4=1509. What is the voltage across the parallel resistors? Finis Time Answer: In the circuit in the figure the voltage from the power source is Vps=80V and the values of the resistors are R1 =35, R2=49, R3=100 and R4=1500. What is the general current in the circuit? Answer: