(a) A voltage divider bypassed common-source (CS) FET amplifier biasing circuit with load R, is commonly...
8. Design the DC bias circuit of a voltage-divider biased common-emitter amplifier (12 points) with the specification given below. Center Q-point, Vcc- 16V, Ico-2.2mA.
Q2. Design a MOSFET common-gate amplifier with a current source load. The input of the amplifier is given by : Vin,total = Vin + Vpc where Vin and Vpc are the AC and DC components of the input, respectively. The amplifier drives a low-impedance load. Only the following components are permitted in construction of the amplifier : MOSFETs and one voltage source Vpp. No any other types of components are permitted. (1) Show the complete schematic of the amplifier (10...
3. Design a n-channel JFET C-S amplifier circuit for the following specifications Voltage Gain input resistance Ri-100kΩ Load resistanceR2k2 Given supply voltage VDD 20V Αν--10 Rss is fully bypassed The input source resistance Rs 02, Ipss-8mA and Vp4V Assume RD and R1 but must find R2 and RSS using the given specifications. Find the DC Operating Points values (VGs, ID and VDs) Draw the actual circuit and its ac equivalent circuit
4. Design a npn BJT C-E amplifier circuit for the following specifications and given values: Voltage Gain Input resistance Load resistance Supply voltage Av = -60 Ri = 5k92 RL = 6k2 Vcc= 16V Assume Re is fully bypassed. The input source internal resistance Rs = 0.12. B=120 and VBE= 0.65V. Draw the actual circuit and its ac equivalent circuit
ASSUME ALL CAPACITORS ARE INFINITE AND IDEAL. For a common-emitter amplifier with a voltage divider bias configuration using a single source, and given Rs = 2009, Rc = R = 2k2, VBE = 0.7V, Vcc= 20V and B = 100: a. Find R. and R for maximum symmetric output swing b. Determine Vopp (ideal and practical) c. Sketch the dc and ac load lines, showing the q-point and all intercept values of voltage and current.
f) Figure Q1f) shows the ac equivalent circuit of a common-source amplifier where Rt is the ac load. The low-frequency roll-off is to be set by the capacitor Cs. Design the amplifier to have a low-frequency roll-off, fL = 100 Hz. You may assume that Rs is much greater than the impedance of Cs at the frequency of 100 Hz. (gm = 1 mA/V) g) The op-amp in Figure Q1g) is ideal. For the condition R1 = R2, show that the...
f) Figure Qlf) shows the ac equivalent circuit of a common-source amplifier where have a low-frequeney rol-off C assume that Rs is much greater than the impedance of Cs at the frequency of 100 Re is the ac load. The low-frequency roll-off is to be set by the capacitor Cs. Design the amplifier to have a low-frequency roll-off, 100 Hz. You may Rt gs gm Vgs V. Rs Cs Figure QiD f) Figure Qlf) shows the ac equivalent circuit of...
1.0 kn. RE-390 Ω, r-15 Ω. and ßac-75. 5. For a common-emitter amplifier, Rc Assuming that Rg is completely bypassed at the operating frequency, the voltage gain is (a) 66.7 (d) 75 (b) 2.56 (c) 2.47 6. In the circuit of Question 5, if the frequency is reduced to the point where Xctbypass) RE, the voltage gain (a) remains the same (b) is less (c) is greater 7. In a common-emitter amplifier with voltage-divider bias, Rimlbase) 68 k2, Ri 33...
Perform a simple initial design of an ac coupled common-emitter amplifier with four resistor biasing and emitter by-pass capacitor, to have a voltage gain of about 100, for the following conditions. Justify any approximations used. (Assume Ic=1/300 A) i)Transistor ac common-emitter gain, B, 100 ii) Supply voltage ofV0c-20V iii) Allow 10% Vcc across RE DC collector voltage of 10 V iv) v) DC current in the base bias resistors should be ten times greater than the DC base current. Assume...
Design a common-source MOSFET amplifier such that - Rg is a multiple of 10 - Id = 0.52 mA - the amplifier input resistance is in the range of mega ohms - | Avo | = 16.7 V/V - RL = 20k - Vsig has a 2kHz frequency - Rsig = 400k, and is the input and the MOSFET has: Vt = 0.8V k = 5 mA/V^2 VA = 80 V Assume capacitors are shorted in the signal circuit and...