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 11.42P
To determine
The value of
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V* = + |ov
Ri
Rip
ERC
Vs
RE
V: -sV
The following parameters are given for this transistor: B = 200 and VA = o. Design the circuit
with the following value ICQ = 1.5mA and VCEQ = 5V. Find the small signal voltage gain AV =
Vo/Vs. Find the input resistance in the signal source Vs.
4. For the transistor in the figure shown below, the parameters are ß = 100 and VÀ = ∞.
a. Design the circuit such that lEQ = 1mA and the Q-pt is in the center of the dc load line.
b. If the peak-to-peak sinusoidal output voltage is 4V, determine the peak-to-peak sinusoidal
signals at the base of the transistor and the peak-to-peak value of Vs.
If the load resistor R₁ = 1kQ is connected to the output through a coupling capacitor,
determine the peak-to-peak value in the output voltage, assuming vs is equal to the value
determined in part (b).
Vcc=+10 V
www
Rs = 0.7 kΩ
Cc
www
RB
RE
vo
Q2: For the circuit shown in figure (2), he=100 for all transistors and 1/hobs = 200k2. Find:
a. DC values for Ics, Ici. Vez, Ic7 and Vco.
b. Ad, A, and CMRR of the difference amplifier.
+15v
10KE
100k 1k
10k
Q8
Q3
v1
Q7
25k
Q1 Q2
14.3k
Q5
Q6
Q9
-15v
Figure (2)
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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- Design For the design of the amplifiers, consider a very large load resistance RL. Use a 15 V DC source and a sinusoidal input signal of 200 mVpp and 1 kHz. Design a voltage amplification stage with a common emitter amplifier thatmeet the following specifications: Voltage gain of 15 (Av2 ≅ 15) Input impedance greater than or equal to 10 times Zo1 (Zi2 ≥ 10 Zo1). Low cut frequency less than or equal to 20 Hz (fcb2 ≤ 20 Hz). Maximum symmetric excursion. Use a 2N2222A (NTE123A) transistor. Also, determine the value of the impedance output (Zo2) of the designed circuit.arrow_forwardQUESTION 7: A BJT diff-amp circuit is biased with a BJT constant- current source Io= 2.32 mA. The BJT constant-current source has an output resistance of Rocs= 4.8 M2. The bipolar transistor parameters are ß = 50 and V4= o. Determine: (a) the differential-mode input resistance, Rid and (b) the common- mode input resistance, Ricm- T7 (kN) Format : 5.69 Rid (kN) Format : 5.45 Ricm (MQ) Format : 335.5arrow_forwardWhich is the correct expression for Vo (the quiescent output voltage) for the circuit shown here (you can assume that the transistor has a large-signal current gain of hFE>>1)? (Symbols have their usual meaning, with / and V being quiescent currents and voltages, and i and v being small signal values) -Vcc R1 R2 Vo=Vcc 0 Vo = Vec- Vo=Vcc - Q1 - RL - Cin RE Vcc R₂ |V₁ = Vcc - R₁ + R₂ Vo -Vo+vo -vi RL Vcc R₂ RE R₁ + R₂ - R₁ Vcc RL R₂ R₁ + RE R₁ VccR₂ RE 0.7 -0.7] − −0.7] R₁ + R₂arrow_forward
- Find the parameters from this circuit Parameters ..beta , re , IEQarrow_forward(a) Determine (W/L)2 for M2 if the voltage gain is 3 and (W/L)1= 20/0.18. (b) draw the small signal model when # 0. VDD=1.8 V 4M₂ VinM₁ = Vout Solution. Rubric: (a) Identification of amplifier type and gain equation calculation! (b) small signal modelarrow_forwardIn the circuit shown in Figure 1, the input signal vsig is a small sine-wave signal with zeroaverage. The transistor β is 100.Figure 1: BJT Amplifier(a) For RL = 10KΩ, draw the small-signal equivalent circuit of the amplifier and determineits overall voltage gain.(b) What is the input resistance of the amplifier circuit?arrow_forward
- 9. State the relationships of the small signal hybrid- π parameters gm & rn to the transistor dc quiescent values. Draw the small signal model of the adjacent BJT amplifier circuit: Rs=0.5 KQ ww HH Cc Vcc= 10 V R₁ = • 56 ΚΩ www 3 R₂ = 12.2 kQ2 Rc=2kQ - VO RE=0.4 KQarrow_forwardHand Calculation: Since you now have the values of R1 and R2 resistors, obtain numeric value of voltage gain Av=Vo/Vi, and numerical values of input and output resistances Ri and Ro. Note that you need to DC analysis first. Do a hand calculation and calculate the DC collector current or IC. This is needed in order to calculate the small signal parameters gm and rπ and in turn to obtain the Av , Ri and Ro Hence, first perform a DC analysis (use the circuit in Figure 1 and take all capacitors open) and assume your transistor has a β=140.arrow_forwardC. A variable capacitor. O d. An amplifier. When operating in the saturation region, the current gain 'B' of the bipolar transistor increases Select one: OTrue O False Assume Is= 8x 105 A, B-100, and VA =-. For the circuit shown below and for -0.5 mA, the value of the transconduce Vcc=2 V Q1arrow_forward
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