Answer
question
4.2 For the circuit in Fig. 4.3(a), sketch the waveform of v,. Ans. vp = v,...
please help
Question 1 Consider the following circuit, where the reverse saturation current (Is) is the same for each diode. D2 o Vo Di Vi WWW R 32 23 a. b. Determine an algebraic expression for V1, for a given Vo, and Is. Given an Is of 40 FA and R1 = 3.3 kl , determine the Vi that produces an output voltage (V.) of 0.625 V. C. Recalculate question-b if Is were to be a thousand times greater at...
4. The half-wave rectifier in Fig. P3.94 is operating with an input voltage, V = 10 sinat,at a frequency of 60 Hz and Von=1V. (25 points) C D Les = Figure P3.94 a. Draw the output voltage (Vo(t)) waveform. b. What is the minimum value of C required to maintain the ripple voltage to less than 0.25V if R=0.5 Q and the diode voltage drop is 1V? c. What is the PIV rating of the diode in this circuit? d....
Design a FULL WAVE BRIDGE RECTIFIER circuit that will:
Take 120volts ac, 60 hz, sinusoidal waveform and convert
it to a “regulated “dc value
giving 12 volts +, - 1 volt across a 2000-ohm output
load resistor with no more than 2%
ripple voltage.
You may assume:
a. An ideal power transformer as discussed in class.
b. For hand computations, you must assume a diode given by
Figure 4.8 page 185.
c. A filter capacitor sized per the textbook equation...
or the following circuit, sketch the output voltage, given an input voltage waveform as shown on the axes below. Assume a constant voltage drop diode model with Vo- 0.7. +15.0V 4 1mA OVout 3009 3 Vo -4 0 0.2 0.4 0.6 0.8 in
or the following circuit, sketch the output voltage, given an input voltage waveform as shown on the axes below. Assume a constant voltage drop diode model with Vo- 0.7. +15.0V 4 1mA OVout 3009 3 Vo -4...
24) For the three circuits (a), (b) and (c) shown below, the waveform of input voltage vy is given as shown below. For each circuit, sketch the waveform of output voltage vo for the given input voltage . Label the most positive and most negative output levels. Assume all diodes are ideal (vp- 0) and CR>> T. (10 points) +10 V-- -10 V TI ms (3 points) (b) o- (3 points) 3V (4 points) DH
4.5 The circuit of Fig. P4.5 is the CMOS counterpart of the bipolar version of Fig. 4.2, and its analysis follows a line of reasoning similar to Example 4.1. Let Mi have kn 400 μΑΛ72, V,,-1 .0 V, and λ,- 1/(25 V), and let M. have kp = 175 μΑ/V, V,,- -0.75 V. and λ,-1/(20 V). (a) If VpD5 V and the FETs are biased at 200 μΑ, estimate vomin) and vo(max), t and upper limits of the linear output...
(a) Sketch the output waveform Vout(t) of the circuit shown in Figure P3.42(a) when Vin = 9sin1000t V. Show the maximum and minimum values on the sketch and the equation for the curves at different time intervals. Assume that the diodes are ideal. (b) Repeat part (a) for the circuit of Figure P3.42(b).
EXERCISE 287 5.15 The NMOS and PMOS transistors in the circuit of Fig. E5.15 are matched with kn(w,/L, E(WA,) = 1 mA/V2 and V, =-Vp-1 V. Assuming λ=0 for both devices, find the drain currents İDw and įDP and the voltage vo for v,-0 V, +2.5 V, and-2.5 V Ans. o V: 0 mA, O mA. 0V: v- +2.5 V: 0.104 mA, 0mA, 1.04 V: v-2.5 V: 0 mA 0.104 mA, -1.04 V +2.5V ON DN V1 DP -2.5 V...
nde) Figare 18 Circuit for Problem 15 Analysis 1. Plot the input and output vollage wavefoems nlt) and lt) as wel as the capacitor current iclt) for the input wavelorm shown in Fig ure 1.10 on the next page, Assume the capacitoris initially discharged 2 Determine the following numerical descriptors for lf) and iclf (a) Voltage values of t) at times-250, 650, and 960ms. (b) Peak capacitor current t Discass the relationship between the plots of the capacitor current ic(t)...
3. Perform the following calculations for the full-wave rectifier with filter capacitor in Fig. 5 Determine the maximum value of vo(f), vOpeak a. b. Determine the peak-to-peak ripple voltage, vr, peak-peak Determine the approximate average value of vo(t). You do not have to use integration. Assume the ripple waveform has an ideal sawtooth shape with each "tooth" being a right triangle having amplitude vr peak-peak as in Fig. 6 C. d. Sketch a realistic ripple waveform superimposed on the unfiltered...