Microelectronics: Circuit Analysis and Design
4th Edition
ISBN: 9780073380643
Author: Donald A. Neamen
Publisher: McGraw-Hill Companies, The
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Textbook Question
Chapter 15, Problem 15.24P
Consider the phase shift oscillator in Figure 15.15. (a) For
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A differentiator sub-system is built from an op-amp, a 10 yF capacitor and a 200 ka resistor. The output, viewed on an oscilloscope, is a t 5 volt square wave with a frequency of 0.25 Hz. The input waveform is
O A triangle wave of peak-to-peak amplitude 5 volts
O A pure sine wave of amplitude 2.5 volts and frequency 0.25 Hz
O Unknown, since the amplifier output is clearly overloaded
O An inverted + 0.2 volt square wave
Draw a diagram for astable multivibrator using 555 timer. Find the oscillation
frequency of the output signal and its duty cycle when the external capacitor is 0.01
uF, the R1 and R2 are 10 kn and 50 kn respectively. While the decoupling capacitor
equal 0.1 µF. What happened to the duty cycle when R2 become 1M02?
Since the frequency of the Wien bridge oscillator circuit you see in the figure below is f= 15.915 kHz;
b. The capacitor you found and the current capacitor values do not change, and the frequency is
doubled.
What should be done to remove it, explain by calculation?
100k
1
%3D
2n R1.C1.R2.C2
741
J+12
Vo
100k
10k
10nF
10k
Chapter 15 Solutions
Microelectronics: Circuit Analysis and Design
Ch. 15 - Design a twopole lowpass Butterworth filter with a...Ch. 15 - Consider the switchedcapacitor circuit in Figure...Ch. 15 - Prob. 15.3EPCh. 15 - (a) Design a threepole highpass Butterworth active...Ch. 15 - Prob. 15.2TYUCh. 15 - Prob. 15.3TYUCh. 15 - Simulate a 25M resistance using the circuit in...Ch. 15 - Design the phaseshift oscillator shown in Figure...Ch. 15 - Design the Wienbridge circuit in Figure 15.17 to...Ch. 15 - Prob. 15.5TYU
Ch. 15 - Prob. 15.6TYUCh. 15 - Prob. 15.6EPCh. 15 - Redesign the street light control circuit shown in...Ch. 15 - A noninverting Schmitt trigger is shown m Figure...Ch. 15 - For the Schmitt trigger in Figure 15.30(a), the...Ch. 15 - Prob. 15.9TYUCh. 15 - Prob. 15.8EPCh. 15 - Prob. 15.9EPCh. 15 - Consider the 555 IC monostablemultivibrator. (a)...Ch. 15 - The 555 IC is connected as an...Ch. 15 - Prob. 15.10TYUCh. 15 - Prob. 15.11TYUCh. 15 - Prob. 15.12TYUCh. 15 - Prob. 15.12EPCh. 15 - Prob. 15.13EPCh. 15 - (a) Consider the bridge amplifier in Figure 15.46...Ch. 15 - Prob. 15.14EPCh. 15 - Prob. 15.15EPCh. 15 - Prob. 15.16EPCh. 15 - Prob. 1RQCh. 15 - Prob. 2RQCh. 15 - Consider a lowpass filter. What is the slope of...Ch. 15 - Prob. 4RQCh. 15 - Describe how a capacitor in conjunction with two...Ch. 15 - Sketch a onepole lowpass switchedcapacitor filter...Ch. 15 - Explain the two basic principles that must be...Ch. 15 - Prob. 8RQCh. 15 - Prob. 9RQCh. 15 - Prob. 10RQCh. 15 - Prob. 11RQCh. 15 - What is the primary advantage of a Schmitt trigger...Ch. 15 - Sketch the circuit and explain the operation of a...Ch. 15 - Prob. 14RQCh. 15 - Prob. 15RQCh. 15 - Prob. 16RQCh. 15 - Prob. 17RQCh. 15 - Prob. 18RQCh. 15 - Prob. D15.1PCh. 15 - Prob. 15.2PCh. 15 - The specification in a highpass Butterworth filter...Ch. 15 - (a) Design a twopole highpass Butterworth active...Ch. 15 - (a) Design a threepole lowpass Butterworth active...Ch. 15 - Prob. 15.6PCh. 15 - Prob. 15.7PCh. 15 - Prob. 15.8PCh. 15 - A lowpass filter is to be designed to pass...Ch. 15 - Prob. 15.10PCh. 15 - Prob. 15.11PCh. 15 - Prob. D15.12PCh. 15 - Prob. D15.13PCh. 15 - Prob. D15.14PCh. 15 - Prob. 15.15PCh. 15 - Prob. 15.16PCh. 15 - Prob. 15.17PCh. 15 - Prob. 15.18PCh. 15 - A simple bandpass filter can be designed by...Ch. 15 - Prob. 15.20PCh. 15 - Prob. 15.21PCh. 15 - Prob. D15.22PCh. 15 - Prob. 15.23PCh. 15 - Consider the phase shift oscillator in Figure...Ch. 15 - In the phaseshift oscillator in Figure 15.15, the...Ch. 15 - Consider the phase shift oscillator in Figure...Ch. 15 - Prob. 15.27PCh. 15 - Prob. 15.28PCh. 15 - Prob. 15.29PCh. 15 - Prob. 15.30PCh. 15 - Prob. 15.31PCh. 15 - A Wienbridge oscillator is shown in Figure P15.32....Ch. 15 - Prob. 15.33PCh. 15 - Prob. D15.34PCh. 15 - Prob. D15.35PCh. 15 - Prob. 15.36PCh. 15 - Prob. 15.37PCh. 15 - Prob. D15.38PCh. 15 - Prob. 15.39PCh. 15 - Prob. 15.40PCh. 15 - Prob. 15.41PCh. 15 - For the comparator in the circuit in Figure...Ch. 15 - Prob. 15.43PCh. 15 - Prob. 15.44PCh. 15 - Prob. 15.45PCh. 15 - Consider the Schmitt trigger in Figure P15.46....Ch. 15 - The saturated output voltages are VP for the...Ch. 15 - Consider the Schmitt trigger in Figure 15.30(a)....Ch. 15 - Prob. 15.50PCh. 15 - Prob. 15.52PCh. 15 - Prob. 15.53PCh. 15 - Prob. 15.54PCh. 15 - Prob. 15.55PCh. 15 - Prob. 15.56PCh. 15 - Prob. 15.57PCh. 15 - Prob. D15.58PCh. 15 - Prob. 15.59PCh. 15 - The saturated output voltages of the comparator in...Ch. 15 - (a) The monostablemultivibrator in Figure 15.37 is...Ch. 15 - A monostablemultivibrator is shown in Figure...Ch. 15 - Prob. D15.63PCh. 15 - Design a 555 monostablemultivibrator to provide a...Ch. 15 - Prob. 15.65PCh. 15 - Prob. 15.66PCh. 15 - Prob. 15.67PCh. 15 - Prob. 15.68PCh. 15 - An LM380 must deliver ac power to a 10 load. The...Ch. 15 - Prob. 15.70PCh. 15 - Prob. D15.71PCh. 15 - Prob. 15.72PCh. 15 - (a) Design the circuit shown in Figure P15.72 such...Ch. 15 - Prob. 15.74PCh. 15 - Prob. 15.75PCh. 15 - Prob. 15.76PCh. 15 - Prob. D15.77PCh. 15 - Prob. 15.78P
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- For the Wien-Bridge oscillator, determine the oscillator frequency, fout R4 R3 ... LM324 Vout C2 OU R1 U1A 10k 0.75UF R2 C1 10k 0.75uF A 10.52 Hz B) 21.22 Hz 33.33 Hz 52.67 Hz 11arrow_forwardIn a Wien bridge oscillator circuit, resistor and capacitor form a series branch and a parallel branch. The value of the resistor is 200 ohm and the value of the capacitor is 10 mF. Determine the frequency of oscillation for the Wien Bridge oscillator circuit.arrow_forwardIn an Astable 555 oscillator output frequency is 4 KHz. It is constructed using Ri = 1k2 and R2= 3k2. Calculate: 3. a. Time period of output signal b. Value of Capacitor c. Duty cycle of the output waveform.arrow_forward
- If the load current is 5 mA and the filter capacitance is 1000uF, what is the peak- to-peak ripple out of a bridge rectifier? * 21.3 pv 56.3 nV O 21.3 mv O 41.7 mvarrow_forwardFor the Phase-Shift oscillator, determine the oscillator frequency C, = C2 = C3 = C = 0.001 µF R2 = R3 = R = 10 kQ R, = R/2 = 5 ko ... C C2 C3 OV R1 R2arrow_forward02 1) The PWM is new thechnigue adopted in power electronies application .explaine the advantages of this application 2) In Puls width modulation applieation we Use line and sine wave refrences .explane the advantages and dis advanteges each onearrow_forward
- 6. Refer to the RC Phase-shift Oscillator below. A Vin R₁ + Rf 6.a. Derive the feedback factor formula for this circuit. 6.b. Draw the output waveform. C C mm C Vout wwwwwarrow_forwardd) Design (Find the values of the R₁, R2, and C₁) an astable multivibrator circuit to have an output waveform as shown below in the figure (tH = 375µs and t₁ = 125µs). (Assume C₁ = C₂ and R₁ # R₂) and determine the frequency of oscillation and the duty cycle. R1: R2 C1 Q Vcc 4 555 5 C2 10nF I 8 1 3L -OVO tH = 375.0us tL = 125.0usarrow_forwardif you design differentiator to differentiate input signal varies in frequency between 1 KHz and 20 KHz then find. Cutoff frequency=.......... 01000 O2000 03000 O4000arrow_forward
- 15.8 a) Use the circuit in Fig. 15.4 to design a high-pass filter with a cutoff frequency of 2.5 kHz and a passband gain of 10 dB. Use a 50 nF capacitor in the design. DESIGN "ROBLEM b) Draw the circuit diagram of the filter and label all the components.arrow_forwardFor the Phase-Shift oscillator, determine the oscillator frequency C, = C2 = C3 = C = 0.001 µF R2 = R3 = R = 10 k. R1 = R/2 = 5 kQ ... Ry C C3 OV OV R R2 A 2.32 kHz B) 5.67 kHz 7.8 kHz D) 8.5 kHzarrow_forwardThe clamping circuit clamps or shift the input sinusoidal signal up or down. Farrow_forward
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