Microelectronics: Circuit Analysis and Design
4th Edition
ISBN: 9780073380643
Author: Donald A. Neamen
Publisher: McGraw-Hill Companies, The
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Chapter 8, Problem 8.29P
(a)
To determine
The value of
(b)
To determine
The small signal voltage gain at
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Describe the combined effect of the RC circuits for higher frequency response in a BJT & FETamplifier.
the subject : Analogue Electronics II
2.
a) Design a 9v DC oscillator circuit that produces a frequency of 500 Hz. The circuit may use a 555 timer or two transistor design(s). Show all calculations including the DC currents and bias voltages. Include the schematic and the required frequency formula(s).
b) As a bonus, if a larger load were required to be connected to the chip, how would the schematic look and what components would be used to do design it?
Also, as a theoretical approximation, if the 9v battery had a rating of 4 amp-hours, how long would it last powering this circuit? Show calculations to illustrate how you arrived at the answer.
A) What does VCO stand four? Show by drawing the relationship between its input and output signals. Compare VCO circuit with LC Tank circuit in terms of circuit functionality and how the output is generated in each of them. B) Compare between AM and FM in terms of noise immunity, interference, equipment complexity and cost and line of site transmission.
Chapter 8 Solutions
Microelectronics: Circuit Analysis and Design
Ch. 8 - Prob. 8.1EPCh. 8 - Prob. 8.2EPCh. 8 - Prob. 8.3EPCh. 8 - Prob. 8.1TYUCh. 8 - Prob. 8.2TYUCh. 8 - Prob. 8.3TYUCh. 8 - Prob. 8.4EPCh. 8 - Prob. 8.5EPCh. 8 - Prob. 8.7EPCh. 8 - Prob. 8.4TYU
Ch. 8 - Prob. 8.5TYUCh. 8 - Prob. 8.6TYUCh. 8 - A transformercoupled emitterfollower amplifier is...Ch. 8 - Prob. 8.7TYUCh. 8 - Prob. 8.9EPCh. 8 - Prob. 8.11EPCh. 8 - Consider the classAB output stage shown in Figure...Ch. 8 - From Figure 8.36, show that the overall current...Ch. 8 - Prob. 1RQCh. 8 - Describe the safe operating area for a transistor.Ch. 8 - Why is an interdigitated structure typically used...Ch. 8 - Discuss the role of thermal resistance between...Ch. 8 - Define and describe the power derating curve for a...Ch. 8 - Define power conversion efficiency for an output...Ch. 8 - Prob. 7RQCh. 8 - Describe the operation of an ideal classB output...Ch. 8 - Discuss crossover distortion.Ch. 8 - What is meant by harmonic distortion?Ch. 8 - Describe the operation of a classAB output stage...Ch. 8 - Describe the operation of a transformercoupled...Ch. 8 - Prob. 13RQCh. 8 - Sketch a classAB complementary MOSFET pushpull...Ch. 8 - What are the advantages of a Darlington pair...Ch. 8 - Sketch a twotransistor configuration using npn and...Ch. 8 - Prob. 8.1PCh. 8 - Prob. 8.2PCh. 8 - Prob. 8.3PCh. 8 - Prob. 8.4PCh. 8 - Prob. 8.5PCh. 8 - Prob. D8.6PCh. 8 - A particular transistor is rated for a maximum...Ch. 8 - Prob. 8.8PCh. 8 - For a power MOSFET, devcase=1.5C/W , snkamb=2.8C/W...Ch. 8 - Prob. 8.10PCh. 8 - The quiescent collector current in a BiT is ICQ=3A...Ch. 8 - Prob. 8.12PCh. 8 - Prob. 8.13PCh. 8 - Prob. 8.14PCh. 8 - Prob. 8.15PCh. 8 - Prob. 8.16PCh. 8 - Consider the classA sourcefollower circuit shown...Ch. 8 - Prob. 8.18PCh. 8 - Prob. 8.19PCh. 8 - Prob. 8.20PCh. 8 - Prob. 8.21PCh. 8 - Consider an idealized classB output stage shown in...Ch. 8 - Consider an idealized classB output stage shown in...Ch. 8 - Prob. 8.24PCh. 8 - For the classB output stage shown in Figure P8.24,...Ch. 8 - Prob. 8.26PCh. 8 - Prob. 8.27PCh. 8 - Consider the classAB output stage in Figure P8.28....Ch. 8 - Prob. 8.29PCh. 8 - Prob. D8.30PCh. 8 - Prob. 8.31PCh. 8 - Prob. D8.32PCh. 8 - Consider the transformercoupled commonemitter...Ch. 8 - The parameters for the transformercoupled...Ch. 8 - A BJT emitter follower is coupled to a load with...Ch. 8 - Consider the transformercoupled emitter follower...Ch. 8 - A classA transformer-coupled emitter follower must...Ch. 8 - Repeat Problem 8.36 if the primary side of the...Ch. 8 - Consider the circuit in Figure 8.31. The circuit...Ch. 8 - Prob. D8.40PCh. 8 - The value of IBiass in the circuit shown in Figure...Ch. 8 - The transistors in the output stage in Figure 8.34...Ch. 8 - Consider the circuit in Figure 8.34. The supply...Ch. 8 - Prob. 8.44PCh. 8 - Prob. 8.45PCh. 8 - Consider the classAB MOSFET output stage shown in...Ch. 8 - Prob. 8.47PCh. 8 - Consider the classAB output stage in Figure P8.48....Ch. 8 - For the classAB output stage in Figure 8.36, the...
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- Connect the elements given below as a BJT amplifier circuit with common emitter. BJT is BC547B terminals from left to right are named collector, base and emitter respectively. 9V battery as VCC source will be used. The audio signal obtained from the microphone will be connected to the circuit as the input signal. C0 at the outlet, CI at the inlet, CE is given as a bypass capacitor.arrow_forwardConsider the emitter follower in Figure 1 with VCC = 10V, I = 100 mA, and RL = 100Ω. (a) Find the power dissipated in Q1 and Q2 under quiescent conditions. (vO = 0V) (b) For a sinusoidal output voltage of maximum possible amplitude (neglecting VCEsat ), find the average power dissipation in Q1 and Q2. Also find the load power.arrow_forwardIs the system that has an input output relationship causal? O8 = 9arrow_forward
- c) What does the ASYNC input to the 8284A accomplish?arrow_forwardDescribe cmrr with the figure.arrow_forwardThe ac equivalent circuit for an amplifier is shown. Assume the capacitors have infinite value, RI =750Ω, RB =100 kΩ, RC =100 kΩ, and R3 =100 kΩ. Calculate the input resistance and output resistance for the amplifier if the BJT Q-point is (75 μA, 10 V). Assume βo =100 and VA =75 V.arrow_forward
- Design a Single-Stage Common Emitter Class A Amplifier Specifications:Voltage Divider Bias Circuit Supply: Any value from 10Vdc to 24VdcLoad: 1kΩVoltage Gain: Any value from 80 to 400Lower Cutoff Frequency: 100 HzSinusoidal source (zero internal resistance): 50mVp-pTransistor: Si, β = 75 • Base-Collector capacitance = 8pF • Base-Emitter Capacitance = 25pF a) compute for the biasing resistances.b) determine the dc transistor terminal voltages and transistor currents.arrow_forwardRefer to the differential amplifier circuit shown below . Determine the quiescent DC voltage at the collector terminal of each transistor assuming VBE of two transistor are negligible. What will be the quiescent DC values if VBE is taken to be 0.7 V.arrow_forwardMake the dc and ac analysis of the circuit below. Vi rms value is given as 2mV. Calculate the value of Vo output signal(rds=50kΩ)arrow_forward
- 1. Describe the high frequency response and phase shift for BJT and FET transistors using MillersTheorem ata) Input RC circuitb) Output RC circuit The subject : Analogue Electronics IIarrow_forwardDetermine the ICQ and VCEQ of the circuit. Assume ßDC = 85. Then plot the DCLL and Q-point of the circuitarrow_forwardThe ac equivalent circuit for an amplifier is shown . Assume the capacitors have infinite value, RI = 750 Ω, RB = 100 kΩ, RC = 62 kΩ, and R3 = 100 kΩ. Calculate the voltage gain and input resistance for the amplifier if the BJT Q-point is (40μA, 10 V). Assume βo = 100 and VA = 75V.arrow_forward
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