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The diff-amp in Figure 11.19 is biased at
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Microelectronics: Circuit Analysis and Design
- Which of the following is NOT true Select one: a. Feedback removes the effect of transistor variability from the circuit b. Transistors come in two varieties, BJTS and MOSFETS c. BJTS can be described using current gain or transconductancearrow_forwardCalculate the closed loop gain for the following circuit. Assume A = 0 for both transistors and R1+ R2 is very large. Circuit parameters / Devre Parametreleri 9m1 = 49 ms, 9m2 = 33 ms, R, = 101 kn, R2 = 26 k, Rp = 2.2 kn VDD Rp Vout ER Vino ER2 O a. 10.28 O b. 4.67 O c. 8.41 O d. 7.48 O e. 6.54 O f. 3.74 O g. 5.61 O h. 2.80 W WH. w-arrow_forwarda) Calculate the VA voltage value.b) Given the input voltage (Vin) waveformin the above Op-amp circuit, Vtl (low)and Vtu (high) hysteresis crossoverCalculate the voltages. c) At the Vtl and Vtu transitions of the Vo voltageCalculate the position changes.arrow_forward
- The amplifier configuration shown in figure below is a a) common emitter b) common collector c) common base d) base follower configuration, where the is at ac ground, and the ac output voltage a) collector B) emitter C) capacitor D) base with the input. A) amplified and 180deg out of phase B) almost equal and 180degree out of phase C) almost equal and in phase D) amplified and in phasearrow_forwardThe common-mode gain is ........... 1. very high 2. very low 3. always unity 4. unpredictablearrow_forwardQ2) Design a voltage-feedback bias circuit using a VCC supply of +10 V, and an npn silicon transistor with B of 100. Choose RC = 6RE=2RB and set IC at 2 mA and the stability factor S(ICO) at 3.arrow_forward
- Q2// Answer the following questions about voltage-feedback bias circuit for the figure below. 1-Determine Ver and VCB. 2- What happens to the voltage Ve if the resistor Rp is open? 22 K 3- What might cause VCE to become nearly 9 V? 4- Determine the change in Ie from 25° to 75° C, if Ico 0.2 HA, and VBE = 0.7V. 10 ul B-80arrow_forwardI think is true because the Wilson circuit provide a high output resistances , is it true or false and whyarrow_forwardQUESTION 2 A non-inverting amplifier has a 15-k Rf and a 1.2-kR,. How much is its closed-loop volt 9. 12.5. -12.5. 13.5.arrow_forward
- How experimental setup is prepared for a CE transistor configuration. Drawits a h-parameter model. Find amplifier parameters given below using this model- (i) Current gain(ii) Input impedance(iii) Voltage Amplification (AVS) consideration source impedance(iv) Current Amplification (AIS) consideration source impedancearrow_forwardQ: For the amplifier characteristics shown in the Figure: 1-What is the bias configuration for the circuit shown in Figure b. 2-Determin Vcc, VCE (cutoff), Ic(sat), RB, RC, B for bias configuration circuit shown in Figure b. 3-Calculat the Q-point levels VCEQ and VCBQ. Ver c (mA) Re 10 uF 10 F Opoint Iao 42uA 24V Verarrow_forwardsolve 4 Use a BJT op-amp)1 You’ve been asked to build an alarm system using monstable multvibrator having an activetime pf 100msec.. Explain the principle of operation and the type feedback of the op-amp.What is the advantage of this circuit?2 You’ve been asked to build a low frequency square wave generator using a basic comparatorhaving a frequency of 10kHz and 50% duty cycle. Explain the principle of operation and thetype of feedback of the op-amp. What is the advantage of this circuit?3 Build a Wein-Bridge oscillator using, C=1µF and +10V power supply to produce 10 kHzsinusoidal waveform. Generate your plots and compare output results. Highlight anydiscrepancies and discuss what happens if we want to increase the frequency to 100 kHz.4 Build a high frequency Colpitts oscillator producing 10kHz Discuss its advantage over RCoscillators. How can you modify the circuit to include a crystal in you circuit. What is atypical application of such an oscillator?arrow_forward
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