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The diff-amp circuit in Figure 11.30 is biased at
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Microelectronics: Circuit Analysis and Design
- Knowing the equation of collector current IC for the transistor amplifier circuit, please calculate the current and voltage stabilization factors. Rc=2000ohm Re=500ohm Rb=500ohm Rb=1000ohm Beta0=200arrow_forwardthe transistor in the circuit above has gm=0.11mS and ro=33Kohm. Given the following condition: R1=770Kohm, R2=890Kohm, RD=5.4Kohm, R3=20Kohm, R6=6.9Kohm, Rsig=2Kohm, determine the input impedance of the amplifier in Kohm.arrow_forwardWhat is the voltage gain of the common-emitter amplifier as shown? Assume βF = 135, VCC = VEE = 10 V, R1 = 20 kΩ, R2 = 62 kΩ,RC = 13 kΩ, and RE = 3.9 kΩ.arrow_forward
- True or False Increasing RE improves the CMRR for single-ended output by increasing the differential-mode gain anddecreasing the common-mode gain. Increasing RE reduces the transistor DC currents and increases the DC output voltages. The double-ended output of the differential amplifier is always zero if vs1=vs2 for any value of RE.arrow_forward(a) What are the Q-points for the transistors in the amplifier as shown if VDD = 12V, VSS = 12V, ISS = 1.5 mA, RSS = 33 kΩ, and RD = 15 kΩ? Assume Kn = 375 μA/V2 and VT N = 0.75 V. (b) What are the differential-mode gain, commonmode gain, CMRR, and differential-mode and common-mode input resistances?arrow_forwardDerive Vo with the given variables. Note that Rv here is a rheostat and is used to vary gain, hence the derivation.arrow_forward
- 13. Bipolar Junction Transistor is considered as: gate-controlled device current-controlled device voltage controlled device base controlled device 18. Which BJT configuration provides very high output impedance? Common Base Common Collector Common Emitter Common Gate 19. Which BJT configuration provides high current gain? Common People Common Emitter Common Collectar Common Basearrow_forwardFor the circuit shown in Fig. 1 below, the transistor parameters are B =150, VBE =0.7V and VT=26mV. a) Determine the operating point parameters. b) Draw the small signal equivalent circuit based on the re mode c) Determine: i Gain of the transistor, Av Input impedance, Za i. Gain with signal, An V. Output voltage, given that V, =30mVSinotarrow_forwardFor the differential amplifier circuit below, all transistors are identical ( ?≠0 ) a) Draw the single-sided differential mode equivalent circuit, showing all details and labels Explain how you obtained this equivalent circuitarrow_forward
- (a) What are the Q-points of the transistors in the amplifier as shown if VCC = 22 V, VEE = 22 V, I1 = 200 μA, RE = 2.4 kΩ, R = 50 kΩ, βo = 80, and VA = 70 V? (b) What are the differential-mode voltage gain and input resistance? (c) What is the amplifier output resistance? (d) What is the common-mode input resistance? (e) Which terminal is the noninverting input? (f) What is thecommon-mode input range for the amplifier if current source I1 is replaced with an electronic current source that must have 0.75 V across it to operateproperly?arrow_forward(a) What are the Q-points for the transistors in the amplifier as shown if VDD = 9 V, VSS = 9 V, ISS = 40 μA, RSS = 1.25 MΩ, and RD = 300 kΩ? Assume Kp = 200 μA/V2, γ = 0.6 V0.5, 2φF = 0.6 V, and VTO = −1 V. (b) What are the differential-mode gain, common-mode gain, CMRR, and differential-mode and common-mode input resistances?arrow_forwardThe ac equivalent circuit for an amplifier is shown. Assume the capacitors have infinite value, RI =750Ω, RB =100 kΩ, RC =100 kΩ, and R3 =100 kΩ. Calculate the input resistance and output resistance for the amplifier if the BJT Q-point is (75 μA, 10 V). Assume βo =100 and VA =75 V.arrow_forward
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