2. Consider the circuit given below. For Rsu" 5 kQ, RB-RBI/RB,-10 kS2. T-1 kQ, β,- 100, and RE = ...
For the circuit shown below, let Vcc 9 V R2 RE-0.11 kQ, R1 3.6 k2. and R2 -5.6 kQ. The transistor parameters are β-200, VBE(on)-OTV, VA-100 V and VT = 0.026 V. (a) Determine the quiescent value of IEQ (b) Find the small-signal voltage gain Av Vo/vs (c) Determine the output resistance R, looking into output terminals Av= 0.5589 Ro-0.4688 Ω Ro-0.9118 Ω leQ- 23.76 mA Ra " 0.6538 Ω leo 39.52 mA A, 0.9938 For the circuit shown below,...
Consider the oscillator circuit shown below. The op amp i s ideal Rb Vo R2 = 10 kΩ L2 100 mH R1 1 k2 L1 = 10 mH a. What is the frequency of oscillation in Hz? b. Specify the required value of Rb sustain oscillations. c. A limiter circuit is added to oscillator by separating Rb into two series resistors Rb1 and Rb2 as shown in the next page along with two anti-parallel diodes in shunt with Rb2. determine...
1. Consider the emitter-stabilized circuit shown below Vcc-15V RB 430kΩ Rc 1.6k2 IB β = 125 RE a) Find b, k, and VCE for the circuit as shown, with β = 125 b) Suppose that β can vary in the range from 100 to 150 due to manufacturing variations. What is the resulting range in Vce? c) What is the requirement on β such that the transistor will not saturate?
Consider the circuit shown in Figure 1. A Q-point value for IC between a minimum of 4 mA and a maximum of 5 mA is required. Assume that resistor values are constant and that β ranges from 100 to 300. It is desired for RB to have the largest possible value while meeting the other constraints. (a) Determine the values of RB and RE. (b) Explain the contribution of resistor RE for thermal stabilisation of this circuit (Thermal stabilisation -...
1. Consider the astable multivibrator circuit given in Fig. 4.6 with C 100 nF and Vcc-5 V Reset Discharge 555 Output Threshold Trigger Ground Fig. 4.6. Astable Multivibrator 555 IC Determine the values of the resistors RA and RB to set f-1 kHz and duty cycle-60 % 2. Now consider the monostable circuit of Fig. 4.7. Assume RA 100 k2. Reset Discharge Threshold 555 Output Trigger Ground 0 in Fig. 4.7. Monostable Multivibrator 555 IC Determine C to get a...
Vcc= 15 V Rc 2 kO R1 10 kO Vo C1 R2=5 kQ Vs RE= 2 kQ Figure 1.1 [Rajah 1.1) SECTION A Bakagian A Question 1 Soalan 1 State THREE (3) operating regions in Bipolar Junction Transistor (BJT) and (a) briefly explain. [Nyatakan TIGA (3) kawasan operasi untuk transistor simpang dwikutub (BJT) dan jelaskan.] (3 Marks/Markah) (b) Based on the Figure 1.1, given B 100 and VBE (ON) 0.7 V. [Berdasarkan Rajah 1.1, diberi B 100 dan Vas (ON...
Vcc= 15 V Rc 2 kO R1 10 kO Vo C1 R2=5 kQ Vs RE= 2 kQ Figure 1.1 [Rajah 1.1) SECTION A Bakagian A Question 1 Soalan 1 State THREE (3) operating regions in Bipolar Junction Transistor (BJT) and (a) briefly explain. [Nyatakan TIGA (3) kawasan operasi untuk transistor simpang dwikutub (BJT) dan jelaskan.] (3 Marks/Markah) (b) Based on the Figure 1.1, given B 100 and VBE (ON) 0.7 V. [Berdasarkan Rajah 1.1, diberi B 100 dan Vas (ON...
The 1 mA. V, ls -VE -15 15 V, in the following differential amplifier circuit, Vcc parameters are given as β, 100, VBE# 0.7 V, pr-25 mV, K.-100 V. transistor Rc-10 kΩ For: RE-150 Ω Rc Rc REE-200 kΩ a) What is the input differential resistance, Rid b) What is the overall voltage gain vV? You c) What is input common mode resistance, d) What is the worst case common mode gain that appear across the two input terminals? (4...
4) Consider the MOSFET differential amplifier shown below, with Io-2 mA, and RL- 10 kS2, Rss-100 k2, VDD- +8V and Vss--8V. The NMOS transistors in the circuit are nominally identical, with kn 2 mA/V2, VTn 1.0 V and ro 100 k2. The PMoS transistors in the circuit are nominally identical, with kp 2 mA/V2, [VTpl 1.0 V and ro 100 kΩ M3 M4 0 M1 M2 a) First consider the DC bias point. Assuming that the current mirror requires at...