![Q3. What is the transconductance or gm of an amplifier? What role does it play in an amplifier circuit? Two amplifier circuits have a gm of 4mAW and 2mA/V respectively. Draw the i os characteristics and the input and output waveforms of these two circuits. Which of the output has a higher amplitude? Why is it so? [10]](http://img.homeworklib.com/questions/76b80fe0-caef-11ea-9bad-c390670654fb.png?x-oss-process=image/resize,w_560)
Homework Answers
Add Answer to:
Q3. What is the transconductance or gm of an amplifier? What role does it play in...
For the cascade amplifier of Figure Q1(a), determine the (1) transconductance factor, gm. a.c. diode resistance.,...
For the cascade amplifier of Figure Q1(a), determine the (1) transconductance factor, gm. a.c. diode resistance., re. (iii) ac equivalent circuit (iv) input impedance, Z (v) output impedance, Z. (vi) voltage gain, Avi (vii) voltage gain, Av2. (viii) total cascade voltage gain, Avr. Given gm = 21 pss lvpl + 15 V Ipss - 10 mA Vp.4V Vase -- 1.5 V βος = 50 μs Γ. 40 ΚΩ RO 3.3 ΚΩ R81 22 ΚΩ Rc 10 ΚΩ O V. β...
A common source amplifier circuit based on a single n-channel MOSFET is shown in Figure 4b. Assume that the transconductance gm-60 mS (equivalent to mA/ V) and drain source resistance, os,...
A common source amplifier circuit based on a single n-channel MOSFET is shown in Figure 4b. Assume that the transconductance gm-60 mS (equivalent to mA/ V) and drain source resistance, os, is so large it may be neglected. 0) Calculate the open circuit voltage gain Av Yout/ Vis. i) The amplifier has a load of 10 k2. Determine the current gain Va. = 12 V 150k 4k3 Vout Vin 200k GND = 0 V Figure 4b a) State the name...
Solve with steps t6 pointsl Signal Amplifier: Rsi-1MO, Ri-10k0, Rp-10k2, and gm-2mA/V 1. What is the...
Solve with steps
t6 pointsl Signal Amplifier: Rsi-1MO, Ri-10k0, Rp-10k2, and gm-2mA/V 1. What is the name of this circuit configuration? [ 2. What is the overall voltage gain of the circuit? 3. Draw the circuit hybrid-t model with all its proper Rp R. NSWER EXI): NSWER EX2): NSWER EX3)
Q1. For the cascade amplifier circuit shown in Fig (1): a) What are the functions of the capacitors C, C2 and C3? And w...
Q1. For the cascade amplifier circuit shown in Fig (1): a) What are the functions of the capacitors C, C2 and C3? And what are the functions of the capacitors Cs and CE? b) What are the functions of the resistors RD and Rc? c) Draw the DC biasing circuits for each stage. d) Find loa, VGsa, VDs and gm for the JFET stage (you may use either mathematical or graphical methods) e) Calculate l, Ic, le and Ve for...
please answer this ASAP Answer the following questions for the below BJT amplifier circuit. Assume capacitors...
please answer this ASAP
Answer the following questions for the below BJT amplifier circuit. Assume capacitors are short in the signal circuit. Use Vr 25 mV,B = 100, Vpo = 0.7 V, and Ignore the early effect in the bias and signal circuits Find the Bias parameters of the amplifier circuit a) b) Find the small signal parameters of the amplifier. c) Draw the small signal equivalent circuit. Find the open loop voltage gain (Ayo), voltage gain (A,), total circuit...
Laboratory 1: operation amplifier characteristics A. Objectives: 1. To study the basic characteri...
thanks
Laboratory 1: operation amplifier characteristics A. Objectives: 1. To study the basic characteristics of an operational amplifier 2. To study the bias circuit of an operational amplifier B. Apparatus: 1. DC Power supply 2. Experimental board and corresponding components 3. Electronic calculator (prepared by students) 4. Digital camera (prepared by students for photo taking of the experimental results) 5. Laptop computer with the software PicoScope 6 and Microsoft Word installed. 6. PicoScope PC Oscilloscope and its accessories. 7. Multimeter...
(a) State the properties of an ideal opamp. Give one reason why the assumption that an opamp is ideal is useful when calculating the behaviour of circuits containing opamps? [3] (b) Figure Q3 shows t...
(a) State the properties of an ideal opamp. Give one reason why
the assumption that an opamp is ideal is useful when calculating
the behaviour of circuits containing opamps? [3]
(b) Figure Q3 shows the circuit diagram of an amplifier
constructed using an ideal opamp. State the value of the voltage v–
appearing at the inverting input of the opamp. Clearly state what
properties of an ideal opamp you are assuming. [2]
(c) Hence calculate the currents flowing through the...
Draw the circuit of a common source amplifier, which is biased by a MOSFET current mirror,...
Draw the circuit of a common source amplifier, which is biased by a MOSFET current mirror, and which uses only one capacitor and two resistors (including the RREF of the current mirror). Assume that the input to the amplifier is a zero-DC signal. Then, design the amplifier to achieve a gain Avo--gRo =-4V/V, and an output resistance Ro-Ro-1K. Ignore channel modulation. Assume that all MOSFETS are identical with VIN-1V, and Kn = 2mA/V. Use Vo = 5V and Vs =-5V....
Question 1: 7.33 +15V 1O MO R-200k 16n 7k MO 7.33 Figure P7.33 shows a discrete-circuit...
Question 1: 7.33 +15V 1O MO R-200k 16n 7k MO 7.33 Figure P7.33 shows a discrete-circuit amplifier. The input signal is coupled to the gate through a very large capacitor (shown as infinite). The transistor source is connected to ground at signal frequencies via a very large capacitor (shown as infinite). The output voltage signal that develops at the drain is coupled to a load resistance via a very large capacitor (shown as infinite). All capacitors behave as short circuits...
Vsig = 10mV*sin(2Kπ) The circuit above is a common-emitter amplifier. Given the parameters in the circuit,...
Vsig = 10mV*sin(2Kπ)
The circuit above is a common-emitter amplifier. Given the
parameters in the circuit,
1. If Rb1=10KΩ, Calculate Rb2, Ib, Ic, Ie, Re, transconductance
(gm), Current through Rb1 (I_rb1), and Current through Rb2(I_rb2),
Vb, Vc, Ve, Vce. Also, calculate Rc to achieve a voltage gain Av =
- 100 V/
(If Rb1 value does not match up, then choose your resistor
value for Rb1.)
2. If the amplitude of Vsig keeps increasing, at what amplitude
of the input...
For the cascade amplifier of Figure Q1(a), determine the (1) transconductance factor, gm. a.c. diode resistance., re. (iii) ac equivalent circuit (iv) input impedance, Z (v) output impedance, Z. (vi) voltage gain, Avi (vii) voltage gain, Av2. (viii) total cascade voltage gain, Avr. Given gm = 21 pss lvpl + 15 V Ipss - 10 mA Vp.4V Vase -- 1.5 V βος = 50 μs Γ. 40 ΚΩ RO 3.3 ΚΩ R81 22 ΚΩ Rc 10 ΚΩ O V. β...
A common source amplifier circuit based on a single n-channel MOSFET is shown in Figure 4b. Assume that the transconductance gm-60 mS (equivalent to mA/ V) and drain source resistance, os, is so large it may be neglected. 0) Calculate the open circuit voltage gain Av Yout/ Vis. i) The amplifier has a load of 10 k2. Determine the current gain Va. = 12 V 150k 4k3 Vout Vin 200k GND = 0 V Figure 4b a) State the name...
Solve with steps
t6 pointsl Signal Amplifier: Rsi-1MO, Ri-10k0, Rp-10k2, and gm-2mA/V 1. What is the name of this circuit configuration? [ 2. What is the overall voltage gain of the circuit? 3. Draw the circuit hybrid-t model with all its proper Rp R. NSWER EXI): NSWER EX2): NSWER EX3)
Q1. For the cascade amplifier circuit shown in Fig (1): a) What are the functions of the capacitors C, C2 and C3? And what are the functions of the capacitors Cs and CE? b) What are the functions of the resistors RD and Rc? c) Draw the DC biasing circuits for each stage. d) Find loa, VGsa, VDs and gm for the JFET stage (you may use either mathematical or graphical methods) e) Calculate l, Ic, le and Ve for...
please answer this ASAP
Answer the following questions for the below BJT amplifier circuit. Assume capacitors are short in the signal circuit. Use Vr 25 mV,B = 100, Vpo = 0.7 V, and Ignore the early effect in the bias and signal circuits Find the Bias parameters of the amplifier circuit a) b) Find the small signal parameters of the amplifier. c) Draw the small signal equivalent circuit. Find the open loop voltage gain (Ayo), voltage gain (A,), total circuit...
thanks
Laboratory 1: operation amplifier characteristics A. Objectives: 1. To study the basic characteristics of an operational amplifier 2. To study the bias circuit of an operational amplifier B. Apparatus: 1. DC Power supply 2. Experimental board and corresponding components 3. Electronic calculator (prepared by students) 4. Digital camera (prepared by students for photo taking of the experimental results) 5. Laptop computer with the software PicoScope 6 and Microsoft Word installed. 6. PicoScope PC Oscilloscope and its accessories. 7. Multimeter...
(a) State the properties of an ideal opamp. Give one reason why
the assumption that an opamp is ideal is useful when calculating
the behaviour of circuits containing opamps? [3]
(b) Figure Q3 shows the circuit diagram of an amplifier
constructed using an ideal opamp. State the value of the voltage v–
appearing at the inverting input of the opamp. Clearly state what
properties of an ideal opamp you are assuming. [2]
(c) Hence calculate the currents flowing through the...
Draw the circuit of a common source amplifier, which is biased by a MOSFET current mirror, and which uses only one capacitor and two resistors (including the RREF of the current mirror). Assume that the input to the amplifier is a zero-DC signal. Then, design the amplifier to achieve a gain Avo--gRo =-4V/V, and an output resistance Ro-Ro-1K. Ignore channel modulation. Assume that all MOSFETS are identical with VIN-1V, and Kn = 2mA/V. Use Vo = 5V and Vs =-5V....
Question 1: 7.33 +15V 1O MO R-200k 16n 7k MO 7.33 Figure P7.33 shows a discrete-circuit amplifier. The input signal is coupled to the gate through a very large capacitor (shown as infinite). The transistor source is connected to ground at signal frequencies via a very large capacitor (shown as infinite). The output voltage signal that develops at the drain is coupled to a load resistance via a very large capacitor (shown as infinite). All capacitors behave as short circuits...
Vsig = 10mV*sin(2Kπ)
The circuit above is a common-emitter amplifier. Given the
parameters in the circuit,
1. If Rb1=10KΩ, Calculate Rb2, Ib, Ic, Ie, Re, transconductance
(gm), Current through Rb1 (I_rb1), and Current through Rb2(I_rb2),
Vb, Vc, Ve, Vce. Also, calculate Rc to achieve a voltage gain Av =
- 100 V/
(If Rb1 value does not match up, then choose your resistor
value for Rb1.)
2. If the amplitude of Vsig keeps increasing, at what amplitude
of the input...
Most questions answered within 3 hours.
-
A battery has an
internal resistance of 0.20 Ώ. A number of 3 identical light bulbs,...
asked 19 minutes ago -
German cheese producer has recently expanded its business
activities to Norway and Denmark. Local subsidiaries of...
asked 14 minutes ago -
Below is the Netbeans source code of an Abstract factory
project,
Using the code in netbeans,...
asked 16 minutes ago -
I'm trying to make a recursive binary search that checks whether
or not the words in...
asked 19 minutes ago -
an
entrepreneur has been primarily associated with the willingness to
A)
possess a government job
b)...
asked 22 minutes ago -
Write
down your solution for this assignment, take a picture and submit
on canvas. Typed answers...
asked 23 minutes ago -
Draw the molecules from the IUPAC names:
a)(2S)-2bromo-4-methylhexane
b)(R,E)-6-aminohept-2-en-4-one
c)(1R,3R)-3-methylcyclopentane-1-ol
d)(2S,3S)-2,3-dihydroxysuccinic and
asked 34 minutes ago -
A piston-cylinder assembly contains 0.5 kg of water. Initially,
the piston is resting against the stops...
asked 36 minutes ago -
A first-order reaction has a rate constant of 1.35 x 102 s-1 at
25.0 oC (298...
asked 43 minutes ago -
At what velocity (in revolutions per minute) will the peak
voltage of a generator be 485...
asked 1 hour ago -
Solve the problem.
The events A and B are mutually exclusive. If P(A) = 0.1 and...
asked 1 hour ago -
QUESTION 7
A. If you were doing a study on an orange species, and
a brown...
asked 1 hour ago