All transistors in the circuit below are identical. Transistor
parameters are hFE=hfe=β= 200,
IS=10 fA and VT = 26 mV.
a. Obtain the differential mode gain equation:
Add=(V01-V02)/(V1-V2).
b. VDD=5V, -VSS=-5V, IB=2mA,
RC=2kΩ and RL=3kΩ. Calculate the differential
mode gain (Add) of the circuit.
c. How do you connect a common emitter stage to one of the outputs
of the circuit? Please draw on the circuit.
Homework Answers
Add Answer to:
All transistors in the circuit below are identical. Transistor
parameters are hFE=hfe=β= 200,
IS=10 fA and...
Given below is a differential operational amplifier in block form and its internal transistor circuit with...
Given below is a differential operational amplifier in block
form and its internal transistor circuit with VCC=20V, VEE= 12 V ,
RC=5kΩ,RE=1kΩ and R1=2kΩ. Assume that the transistors are identical
and have a βac=βdc=100. An ac signal Vi(t)=5sin(10t) is applied to
the input terminals where Terminal 1 is Positive (non-invertinq)
& Terminal 2 is negative (inverting) as stated in the cases
below. Draw the output signals in each case.
: a) V1=Vi(t) , V2=Grounded. Vo(t)=Vo2-Vo1 )
b) V1=Grounded , V2=Vi(t)....
4) Consider the MOSFET differential amplifier shown below, with Io-2 mA, and RL- 10 kS2, Rss-100 ...
4) Consider the MOSFET differential amplifier shown below, with Io-2 mA, and RL- 10 kS2, Rss-100 k2, VDD- +8V and Vss--8V. The NMOS transistors in the circuit are nominally identical, with kn 2 mA/V2, VTn 1.0 V and ro 100 k2. The PMoS transistors in the circuit are nominally identical, with kp 2 mA/V2, [VTpl 1.0 V and ro 100 kΩ M3 M4 0 M1 M2 a) First consider the DC bias point. Assuming that the current mirror requires at...
The 1 mA. V, ls -VE -15 15 V, in the following differential amplifier circuit, Vcc parameters are given as β, 100, VBE# 0.7 V, pr-25 mV, K.-100 V. transistor Rc-10 kΩ For: RE-150 Ω Rc Rc REE-200...
The 1 mA. V, ls -VE -15 15 V, in the following differential amplifier circuit, Vcc parameters are given as β, 100, VBE# 0.7 V, pr-25 mV, K.-100 V. transistor Rc-10 kΩ For: RE-150 Ω Rc Rc REE-200 kΩ a) What is the input differential resistance, Rid b) What is the overall voltage gain vV? You c) What is input common mode resistance, d) What is the worst case common mode gain that appear across the two input terminals? (4...
(Total 10) Consider the following circuit where all transistors are identical with β-o, VA-e, versat: 0.3V,...
(Total 10) Consider the following circuit where all transistors are identical with β-o, VA-e, versat: 0.3V, Vetlos-0.7 V except for Q4, and VT = 25 mV. Given that the voltage drop across R4 is 1.5 V Determine 1. 12V (a) [5] The value of resistor R3. (b) [3] The scale current ls of Q4 (c) [2] The voltage between collector and base of transistor 04, i.e., Vce. Q1 Q5
3. In the circuit shown below, the differential pair (Mand M2) is biased with a current miror that consists of M3, M and Rref. The circuit parameters are: VDD-3 V, Rre/-15 ka, RD = 20 ka, and RL-40 k...
3. In the circuit shown below, the differential pair (Mand M2) is biased with a current miror that consists of M3, M and Rref. The circuit parameters are: VDD-3 V, Rre/-15 ka, RD = 20 ka, and RL-40 kn. The transistors 25 M, and M, are identicalwith()M and M, are identical with (The oh M and M4 are identical with = ·The other transistor parameters are: indox-: 0.1 m1A/V2,VTN-0.5 V, γ-0 (body effect coefficient) and λ 0 (channel length modulation...
3.1. For the BJT differential pair configuration shown below, assume the input transistor beta is very large. Then...
3.1. For the BJT differential pair configuration shown below,
assume the input transistor beta is very large.
Then find the differential signal vd = vB1 − vB2 sufficient to
cause:
3.2. A differential amplifier resembling that below uses I =
200μA, RC = 10kohm and VCC = 3V. Assume beta is very large
3.4.For the emitter follower in the figure below, given VCC =
15 V, VEE = −15 V, RL = 1 kohm and beta = 100 for all...
Given below is a differential operational amplifier in block
form and its internal transistor circuit with VCC=20V, VEE= 12 V ,
RC=5kΩ,RE=1kΩ and R1=2kΩ. Assume that the transistors are identical
and have a βac=βdc=100. An ac signal Vi(t)=5sin(10t) is applied to
the input terminals where Terminal 1 is Positive (non-invertinq)
& Terminal 2 is negative (inverting) as stated in the cases
below. Draw the output signals in each case.
: a) V1=Vi(t) , V2=Grounded. Vo(t)=Vo2-Vo1 )
b) V1=Grounded , V2=Vi(t)....
4) Consider the MOSFET differential amplifier shown below, with Io-2 mA, and RL- 10 kS2, Rss-100 k2, VDD- +8V and Vss--8V. The NMOS transistors in the circuit are nominally identical, with kn 2 mA/V2, VTn 1.0 V and ro 100 k2. The PMoS transistors in the circuit are nominally identical, with kp 2 mA/V2, [VTpl 1.0 V and ro 100 kΩ M3 M4 0 M1 M2 a) First consider the DC bias point. Assuming that the current mirror requires at...
The 1 mA. V, ls -VE -15 15 V, in the following differential amplifier circuit, Vcc parameters are given as β, 100, VBE# 0.7 V, pr-25 mV, K.-100 V. transistor Rc-10 kΩ For: RE-150 Ω Rc Rc REE-200 kΩ a) What is the input differential resistance, Rid b) What is the overall voltage gain vV? You c) What is input common mode resistance, d) What is the worst case common mode gain that appear across the two input terminals? (4...
(Total 10) Consider the following circuit where all transistors are identical with β-o, VA-e, versat: 0.3V, Vetlos-0.7 V except for Q4, and VT = 25 mV. Given that the voltage drop across R4 is 1.5 V Determine 1. 12V (a) [5] The value of resistor R3. (b) [3] The scale current ls of Q4 (c) [2] The voltage between collector and base of transistor 04, i.e., Vce. Q1 Q5
3. In the circuit shown below, the differential pair (Mand M2) is biased with a current miror that consists of M3, M and Rref. The circuit parameters are: VDD-3 V, Rre/-15 ka, RD = 20 ka, and RL-40 kn. The transistors 25 M, and M, are identicalwith()M and M, are identical with (The oh M and M4 are identical with = ·The other transistor parameters are: indox-: 0.1 m1A/V2,VTN-0.5 V, γ-0 (body effect coefficient) and λ 0 (channel length modulation...
3.1. For the BJT differential pair configuration shown below,
assume the input transistor beta is very large.
Then find the differential signal vd = vB1 − vB2 sufficient to
cause:
3.2. A differential amplifier resembling that below uses I =
200μA, RC = 10kohm and VCC = 3V. Assume beta is very large
3.4.For the emitter follower in the figure below, given VCC =
15 V, VEE = −15 V, RL = 1 kohm and beta = 100 for all...
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