For the transistor feedback amplifier shown, hg = 100, hje = 1 K, hre = 0 %3D and hoe = 0. Determine V where 1, R, a) A b) Agf c) Rf d) Rf %3D Vcc 10 K 100 K ww R' V. R = 1K Rot ww-
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- For the feedback amplifier circuit shown below, assuming the internal resistor in each MOSFETs is infinite ( ro = ∞ ) and gm1 = gm2 = gm2 = 2.5mA/V. a) Draw the small AC equivalent circuit of the below amplifier. b) Determine the overall voltage gain.In the circuit given in the figure, Vcc = 15 V, R1 = R2 = 10kΩ, RE = 1KΩ, RL = 0.5kΩ and transistor parameters are given as VBE = 0.7V, ßdc = ß0 = 100. a. Calculate the values of DC bias currents and voltages (IBQ, ICQ and VCEQ). b. Draw the small signal equivalent circuit of the circuit using the hybrid model of the transistor. c. Derive the input impedance expression of the circuit and calculate its value. d. Derive the AVI and AVG voltage gain expressions and calculate their values. e. Derive the current gain expression AI = I0 / Ii and calculate its value. Compare this value you have calculated with the value you will calculate using the expression Aİ = Zi AVI / RL.. Describe what the terms Gain Bandwidth Product (GBP) and Slew Rate mean in the context of an operational amplifier.
- Topic: 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?An amplifier has an open-loop voltage gain of 90 dB, Rid = 50 kΩ, and Ro = 5000 Ω. The amplifier is used in a feedback configuration with a resistive feedback network. (a) What is the largest current gain that can be achieved with this feedback amplifier? (b) What is the largest transconductance that can be achieved with this feedback amplifier?Using a collector feedback configuration, assume a supply voltage of 22V, RC=RE=3.9kΩ, RB=330kΩ and beta=100 Determine the value of the base, value of the collector current(mA), VCE and Vc
- 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 now is the value of the output voltage? d. If the input is connected to the non-inverting input along with the feedback, what now is the value of the output voltage? e. If greater voltage gain is a requirement, which set-up is a better choice?Vs=100 mV peak-to-peak, 1 kHz sine signal, Kn=0.4mA/v^2 ,Vt=1V , λ=0.01V^-1 Make the DC analysis of the above given mosfet amplifier circuit. Simulation to tableWrite down the measured values and mathematical calculation results. (The valueswith the units.)DC Parameters ,Measured value ,Calculated ValueVGETCVGSVDVDSIDb. Draw the small signal model for the AC analysis of the circuit. Find the gm, ro, Av values.c. Show the Vs input signal and the Vo output signal of the circuit on the oscilloscope. Volt/div of channels andSpecify time/div values.for identical transistors Hfe=100 and hie=2,5K. according to the elements and values given on the circuit; Determine the feedback topology of the circuit. Draw the non-feedback locator circuit taking into account the feedback effect. Assuming |βA|>>1 , find the feedback gain and voltage gain of the circuit.