A transistor amplifier has a midband gain of
In addition, the actual response is also about
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Introductory Circuit Analysis (13th Edition)
- Q/ An analog signal x(t)=sin( 480 15 points Ttt)+3 sin( 720 Ttt) is sampled 600 times per second? a-determine the Nyquist sampling rate. b-determine the folding frequency.c- find x(n) d- find y(t) after passed x (n) through ideal D/A converter a- 720 Hz b- 320 Hz c- x(n)= -2 sin (4/5) t n d- y(t)= - 2 sin (480 t t) a- 700 Hz b- 320 Hz c- x(n)= - 2 sin (4/5) n n d- y(t)= -2 sin (480 n t) a- 720 Hz b- 300 Hz c- x(n)=D2 sin (4/5) t n d- y(t)= -2 sin (480 n t) a- 700 Hz b- 300 Hz c- x(n)=2 sin (4/5) n n d- y(t)= -2 sin (480 t t) العربية الإنجليزيةarrow_forwardQ.5: b. Choose the suitable choice for nine of the following sentences. 1. In order to lune a parallel resonant circuit to a lower frequency. the capacitor must........ > Be decrease. a. Be increase d. Remain the same. e. Be Zero. 2 In series as well as parallel resonance circuit, increase in resistance would cause the bandwidth is...... a. Increase in both circuits. (h. Decrease in series eircuit and increase in parallel circuit. d. lucrease in series circuit and decrease in parallel circuit. circuit. e Decrease in both circuits. 3. In a very low frequency a series resonance circuit behaves as almost purely a. Resistive. c. Inductive. d. Inductive and capacitive. b. Capacitive: 4. Real part of the total impedance at resonance for complicated AC circuit is a. Positive Value. b. Zero Value. 5. For admittance locus the maximum obtained power factor is depend on: a. Maximum current b. Maximum voltage c. Minimum power 4. Minimum angle 6. Any non-sinusoidal symmetrical waves are basically…arrow_forwarda) Design a voltage to frequency converter using the 9400 as shown in the circuit below for f. = 14kHz at V₁ = 5V and V₁ can be changed from 5mV up to 14V. Determine the maximum and minimum frequencies. What is the relationship between frequencies and input voltage? ||| +Vss=-5V -5 V 1 2 3 4 5 6 7 14 13 12 9400 V/F 11 10 9 8 +%D0=+5V NC limw Hell 0.01 µF SA VDD=+5Varrow_forward
- Impedance measurement in biomedical application modelsPRE LabExercise (Due at the beginning of lab): Analyze how the impedance of the circuit changes when the input signal frequency changes from 0 to infinite.? print the answer on keyboard and Correct or will dislikearrow_forward1 Determine the transfer function C/R for the system below using signal flow graph. K is constant. Draw the signal flow graph and find the gains. Show step by step and complete solution. 5. 1 R 8 + a 0.1 K Carrow_forwardA Class-C amplifier is used as x3 multiplier, where its tuning circuit consists of L=1mH and C=2pF. What is the carrier frequency of its input FM signal? O 10.676 Mhz 1.186 Mhz Class-C amplifier affects the amplitude of the input not its frequency None of these 3.559 Mhzarrow_forward
- Question 2: The schematic diagram of a circuit is shown in the figure below. As you can see the circuit consists of three parts. Seurce Firt Secend Section Section Setion ww 2002 IV 2.5yF a. What is the purpose of the first section? What kind of circuit is used in the first section? b. If voltage transfer function for the first section H,(jw) is equal to V draw the magnitude of the transfer function (H,(jw)) with respect to the frequency by calculating required frequency. c. What is the purpose of the second section? What kind of circuit is used in the second section?arrow_forward1. The high frequency response of an RC coupled amplifier depends on: a) The input coupling capacitors b) The midrange voltage gain The bypass capacitor d) The output coupling capacitors 2. IM the peak output voltage of an amplifier at the critical frequency is 20 V. the output voltage at midrange is: a) 17 V b) 23 V c) 14.14 V d) 28.3V 3. The low frequency response of RC coupled BJT amplifier depends on 1.) The bypass capacitor b) l'he input and output capacitors c) The input coupling capacitor d) All capacitors in the circuit +. The input Miller capacitance of a BJT amplifier depends partly on: a) Inpui coupling capacitor b) The voltage gain at lower critical frequency ) The internal capacitances of the transistor d) the bypass capacitor 5 When the frequency of an amplifier is reduced linearly from 100 kHz to 1 kHz. the gain of the amplilier is reduced by 12 213. then the roll-off rate is: a)-12 dB/octave b) - 12 dB/ decade c) -6 dB/ decade d) -6 dB/octave 6. A multistage amplifier…arrow_forwardB) Express the following transfer function in term of its poles and zeros, then sketch the pole-zero diagram. Is the system stable? Why? 0.74 2²-2.544Z+2.5216 2² +0.64arrow_forward
- The noise figure of an amplifier at room temperature (290 K) is 0.4 dB. Find the value of the equivalent noise temperature.arrow_forwardImpedances. In alternating current, the resonance frequency is defined as the frequency that would make the effect of the reactive elements eliminate each other in a circuit, so that the effect of the impedance would be purely resistive, and the maximum active power. Knowing the above, calculate the resonance frequency of the following circuit, then with that frequency calculate the equivalent impedance seen by the source and verify that the circuit is purely resistive. 20 N 2 H VF N 100 μF 100 kn 4Ω.arrow_forwardFind yzi (n), Yzs (n) and the total solution of the difference equation for the input signal x(n) = 2u(n): y(n) + y(n – 1) – 2y(n - 2) = x(n) y(-1) = 1 y(-2) = -1arrow_forward
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