Microelectronics: Circuit Analysis and Design
4th Edition
ISBN: 9780073380643
Author: Donald A. Neamen
Publisher: McGraw-Hill Companies, The
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Chapter 11, Problem 11.7EP
To determine
The value of RE and differential input resistance for given condition.
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For the cascaded amplifier of the figure below, calculate the input impedance of the first stage, output impedance of the second stage, total voltage gain, and the output voltage if Vs= 1mV.
(a) What are the Q-points for the transistors in the amplifier as shown if VCC = 12 V, VEE = 12 V, REE = 270 kΩ, RC = 330 kΩ, and βF = 100? (b) What are the differential-mode gain, and differential-mode input and output resistances? (c) What are the common-mode gain, CMRR, and common-mode input resistance for a single-ended output?
Amplifier circuit is show below has a single ac input and one ac output. Assuming 2N2222 transistor:
Construct the T-model of the transistor with all parameters labelled and evaluated. Assume room temperature.
Draw a complete small signal circuit model, then find the voltage gain. Explain two characteristics of this amplifier.
Calculate the current gain, the input resistance, and the output resistance.
Chapter 11 Solutions
Microelectronics: Circuit Analysis and Design
Ch. 11 - The circuit parameters for the differential...Ch. 11 - Consider the de transfer characteristics shown in...Ch. 11 - Prob. 11.1CSPCh. 11 - Consider the diff-amp described in Example 11.3 ....Ch. 11 - Prob. 11.4EPCh. 11 - Prob. 11.1TYUCh. 11 - Prob. 11.2TYUCh. 11 - Assume the differential-mode gain of a diff-amp is...Ch. 11 - Prob. 11.5EPCh. 11 - Consider the diff-amp shown in Figure 11.15 ....
Ch. 11 - Prob. 11.7EPCh. 11 - Prob. 11.4TYUCh. 11 - Prob. 11.5TYUCh. 11 - The parameters of the diff-amp shown in Figure...Ch. 11 - For the differential amplifier in Figure 11.20,...Ch. 11 - The parameters of the circuit shown in Figure...Ch. 11 - The circuit parameters of the diff-amp shown in...Ch. 11 - Consider the differential amplifier in Figure...Ch. 11 - The diff-amp in Figure 11.19 is biased at IQ=100A....Ch. 11 - Prob. 11.10TYUCh. 11 - The diff-amp circuit in Figure 11.30 is biased at...Ch. 11 - Prob. 11.11EPCh. 11 - Prob. 11.12EPCh. 11 - Prob. 11.11TYUCh. 11 - Prob. 11.12TYUCh. 11 - Redesign the circuit in Figure 11.30 using a...Ch. 11 - Prob. 11.14TYUCh. 11 - Prob. 11.15TYUCh. 11 - Prob. 11.16TYUCh. 11 - Prob. 11.17TYUCh. 11 - Consider the Darlington pair Q6 and Q7 in Figure...Ch. 11 - Prob. 11.14EPCh. 11 - Consider the Darlington pair and emitter-follower...Ch. 11 - Prob. 11.19TYUCh. 11 - Prob. 11.15EPCh. 11 - Consider the simple bipolar op-amp circuit in...Ch. 11 - Prob. 11.17EPCh. 11 - Define differential-mode and common-mode input...Ch. 11 - Prob. 2RQCh. 11 - From the dc transfer characteristics,...Ch. 11 - What is meant by matched transistors and why are...Ch. 11 - Prob. 5RQCh. 11 - Explain how a common-mode output signal is...Ch. 11 - Define the common-mode rejection ratio, CMRR. What...Ch. 11 - What design criteria will yield a large value of...Ch. 11 - Prob. 9RQCh. 11 - Define differential-mode and common-mode input...Ch. 11 - Sketch the de transfer characteristics of a MOSFET...Ch. 11 - Sketch and describe the advantages of a MOSFET...Ch. 11 - Prob. 13RQCh. 11 - Prob. 14RQCh. 11 - Describe the loading effects of connecting a...Ch. 11 - Prob. 16RQCh. 11 - Prob. 17RQCh. 11 - Prob. 18RQCh. 11 - (a) A differential-amplifier has a...Ch. 11 - Prob. 11.2PCh. 11 - Consider the differential amplifier shown in...Ch. 11 - Prob. 11.4PCh. 11 - Prob. D11.5PCh. 11 - The diff-amp in Figure 11.3 of the text has...Ch. 11 - The diff-amp configuration shown in Figure P11.7...Ch. 11 - Consider the circuit in Figure P11.8, with...Ch. 11 - The transistor parameters for the circuit in...Ch. 11 - Prob. 11.10PCh. 11 - Prob. 11.11PCh. 11 - The circuit and transistor parameters for the...Ch. 11 - Prob. 11.13PCh. 11 - Consider the differential amplifier shown in...Ch. 11 - Consider the circuit in Figure P11.15. The...Ch. 11 - Prob. 11.16PCh. 11 - Prob. 11.17PCh. 11 - For the diff-amp in Figure 11.2, determine the...Ch. 11 - Prob. 11.19PCh. 11 - Prob. D11.20PCh. 11 - Prob. 11.21PCh. 11 - The circuit parameters of the diff-amp shown in...Ch. 11 - Consider the circuit in Figure P11.23. Assume the...Ch. 11 - Prob. 11.24PCh. 11 - Consider the small-signal equivalent circuit of...Ch. 11 - Prob. D11.26PCh. 11 - Prob. 11.27PCh. 11 - A diff-amp is biased with a constant-current...Ch. 11 - The transistor parameters for the circuit shown in...Ch. 11 - Prob. D11.30PCh. 11 - For the differential amplifier in Figure P 11.31...Ch. 11 - Prob. 11.32PCh. 11 - Prob. 11.33PCh. 11 - Prob. 11.34PCh. 11 - Prob. 11.35PCh. 11 - Prob. 11.36PCh. 11 - Consider the normalized de transfer...Ch. 11 - Prob. 11.38PCh. 11 - Consider the circuit shown in Figure P 11.39 . The...Ch. 11 - Prob. 11.40PCh. 11 - Prob. 11.41PCh. 11 - Prob. 11.42PCh. 11 - Prob. 11.43PCh. 11 - Prob. D11.44PCh. 11 - Prob. D11.45PCh. 11 - Prob. 11.46PCh. 11 - Consider the circuit shown in Figure P 11.47 ....Ch. 11 - Prob. 11.48PCh. 11 - Prob. 11.49PCh. 11 - Prob. 11.50PCh. 11 - Consider the MOSFET diff-amp with the...Ch. 11 - Consider the bridge circuit and diff-amp described...Ch. 11 - Prob. D11.53PCh. 11 - Prob. 11.54PCh. 11 - Prob. 11.55PCh. 11 - Consider the JFET diff-amp shown in Figure P11.56....Ch. 11 - Prob. 11.57PCh. 11 - Prob. 11.58PCh. 11 - Prob. D11.59PCh. 11 - The differential amplifier shown in Figure P 11.60...Ch. 11 - Prob. 11.61PCh. 11 - Consider the diff-amp shown in Figure P 11.62 ....Ch. 11 - Prob. 11.63PCh. 11 - The differential amplifier in Figure P11.64 has a...Ch. 11 - Prob. 11.65PCh. 11 - Consider the diff-amp with active load in Figure...Ch. 11 - The diff-amp in Figure P 11.67 has a...Ch. 11 - Consider the diff-amp in Figure P11.68. The PMOS...Ch. 11 - Prob. 11.69PCh. 11 - Prob. 11.70PCh. 11 - Prob. D11.71PCh. 11 - Prob. D11.72PCh. 11 - An all-CMOS diff-amp, including the current source...Ch. 11 - Prob. D11.74PCh. 11 - Consider the fully cascoded diff-amp in Figure...Ch. 11 - Consider the diff-amp that was shown in Figure...Ch. 11 - Prob. 11.77PCh. 11 - Prob. 11.78PCh. 11 - Prob. 11.79PCh. 11 - Prob. 11.80PCh. 11 - Consider the BiCMOS diff-amp in Figure 11.44 ,...Ch. 11 - The BiCMOS circuit shown in Figure P11.82 is...Ch. 11 - Prob. 11.83PCh. 11 - Prob. 11.84PCh. 11 - For the circuit shown in Figure P11.85, determine...Ch. 11 - The output stage in the circuit shown in Figure P...Ch. 11 - Prob. 11.87PCh. 11 - Consider the circuit in Figure P11.88. The bias...Ch. 11 - Prob. 11.89PCh. 11 - Consider the multistage bipolar circuit in Figure...Ch. 11 - Prob. D11.91PCh. 11 - Prob. 11.92PCh. 11 - For the transistors in the circuit in Figure...Ch. 11 - Prob. 11.94PCh. 11 - Prob. 11.95PCh. 11 - Prob. 11.96PCh. 11 - Consider the diff-amp in Figure 11.55 . The...Ch. 11 - The transistor parameters for the circuit in...
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- Q.4/ Refer to the class AB power amplifier shown below:a. Determine the dc parameters VB(Q1), VB(Q2), ICQ, VCEQ(Q1), VCEQ(Q2).b. For the 5Vrms input, determine the power delivered to the load resistor.c. Determine the approximate input resistance seen by the signal source if ac=100arrow_forwardAfter power factor compensation, the value of active power P decreases since current value decreases Select one: True Falsearrow_forward(a) What are the Q-points of the transistors in the amplifier as shown if VCC = 22 V, VEE = 22 V, I1 = 200 μA, RE = 2.4 kΩ, R = 50 kΩ, βo = 80, and VA = 70 V? (b) What are the differential-mode voltage gain and input resistance? (c) What is the amplifier output resistance? (d) What is the common-mode input resistance? (e) Which terminal is the noninverting input? (f) What is thecommon-mode input range for the amplifier if current source I1 is replaced with an electronic current source that must have 0.75 V across it to operateproperly?arrow_forward
- (a) What are the Q-points for the transistors in the amplifier as shown if VDD = 12V, VSS = 12V, ISS = 1.5 mA, RSS = 33 kΩ, and RD = 15 kΩ? Assume Kn = 375 μA/V2 and VT N = 0.75 V. (b) What are the differential-mode gain, commonmode gain, CMRR, and differential-mode and common-mode input resistances?arrow_forwardFor the cascaded amplifier of the figure below, calculate the input impedance of the first stage, output impedance of the second stage, total voltage gain, and the output voltage if Vs=1 mVarrow_forwardAmplifier circuit is show below has a single ac input and one ac output. Assuming 2N2222 transistor: 1- Determine the Q point, then illustrate it on the transistor I-V characteristic curves. 2- Is the transistor in the active region? Explain thoroughly. 3- Construct the T-model of the transistor with all parameters labelled and evaluated. Assume room temperature. 4- Draw a complete small signal circuit model, then find the voltage gain. Explain two characteristics of this amplifier. 5- Calculate the current gain, the input resistance, and the output resistance.arrow_forward
- Derive the formula for calculating the equivalent input noise resistance of a three-stage amplifier in cascade.arrow_forwardGiven: Vin =5V Rin=1K Rf=100 ohms. Identify: a. What is the value of Vout? b. What is the voltage gain? c. If the input is connected to the non-inverting input along with the feedback, what is the value of the output voltage? d. If the input is connected to the non-inverting input along with the feedback, what is the voltage gain of the circuit? e. If greater voltage gain is a requirement, which set-up is a better choice? -inverting OP AMP -non-inverting OP AMP -both may will do fine -neither will do wellarrow_forwardTrue or False Increasing RE improves the CMRR for single-ended output by increasing the differential-mode gain anddecreasing the common-mode gain. Increasing RE reduces the transistor DC currents and increases the DC output voltages. The double-ended output of the differential amplifier is always zero if vs1=vs2 for any value of RE.arrow_forward
- Given the differential amplifier circuit below. Determine the following: emitter current, differential mode voltage gain, common mode voltage gain and CMRR.arrow_forwardSuppose the amplifier shown has a differential-mode gain of 2500 and a CMRR of 80 dB. What is the output voltage if V1 = 5.001 V and V2 = 4.999 V? What is the error introduced by the finite CMRR?arrow_forwardTopic: Field Effect Transistor Given the FET Amplifier circuit. Answer the question asked in each letter. a. Transconductance Gain (gm) b. Drain Resistor (RD) c. Input Impedance (Zi) d. Output Impedance (Zo) e. Voltage Gain (Av) f. What is the AC configuration of the amplifier?common source, common gate, common drain, or source bias?arrow_forward
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Differential Amplifiers Made Easy; Author: The AudioPhool;https://www.youtube.com/watch?v=Mcxpn2HMgtU;License: Standard Youtube License