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07.) For the circuit below, assume it is operating in the Forward Active mode. For each...
(20 pts) The BJT in the circuit below has the following specifications: • in active mode ß = 50, VBE = 0.76 V, and • in saturation VCEsat = 0.2 V. Find VE, VB and Vc and determine the mode of operation (active, saturation, cut-off). Given values are: /= 1 mA, Rg=200 kN and Re =4 k12. I Vc RB VB. VEم RE
answer i-iv please The NPN transistor in the circuit shown haes B-60 Assuming that the BJT is operating in the deep saturation mode ie. VCEsat-02y and VBE-07V ßforced-10. Question 3: 20% p-60) Assuming that the BJT is operating in the deep Rg i) Calculate collector current, Ic. (4%) ii) Calculate voltage VBB and base current,IB(6%) iii) If we keep VBB and Rc the same, i.e. at 1k2, what is the minimum value of RB to restore the transistor beta to...
1) Consider the following circuit with an assumption that we have the transistor in active mode. The type of circuit below is a transistor commonn-emitter circuit. You must firstly determine i) Is then secondly ii) I and finally ii) Vce. All working must be shown. Rc 1.06.12 RB w @ Bpc = 50 + Vcc 10 V + 10 ΚΩ VBB 3 V
Consider the following circuit. Assume that the transistors are in Forward Active with Vbe = 0.7 V. You may assume that Icle and b 0. Determine Rc so that lo = 800uA. Show your work! 5V RC vo Idio Q1 Q2 1k 1k
The following circuit is used for questions Q5 through Q8. Assume all transistors are in forward active mode. Suppose that B = 100 for each transistor and that VBE = 0.7 V for each transistor while in forward active mode. Suppose that VT = 0.025 mV. Ignore r, throughout the next four questions pertaining to this circuit. +20 V +20 V +20 V 10 kl 50 k 2 Im +20 V Rout - 1.2 kr} Zur 32018 3892 Fig.2 Q.6...
1. (10 pts) Find the voltage gain for the circuit shown below, assume β-200. Vbe-0.6 and Vin(t)-1.2+0.2sin(2*pi*1k't) Rc 2k Rb V1 MW V2 40k 10 SINE(1.2.21k 0 0010) tran .01 2. Answer the following questions based on the circuit above. a. Is it possible to drive the amplifer in saturation by changing the values of B, Rb, and Rc, explain your answers. b. What ranges of Rc can be used on this amplifier without going on saturation mode? c. Can...
Assume you have a BJT circuit in saturation mode shown below. If you increase the base current by getting Vs bigger, how does it affect the collector current Ic? Explain in terms of the saturation point on the DC Load Line. VCC 17.0V | RC 31k0 ICO . . . . . . R R . . .. . . .. .
2. In the circuit below. Assume the two transistors are identical with Ics 100fA, and Find the operating points (Ic. VcE) of the transistors. Hint: You may initially ignore the base currents, and verify the error. a. b. Redo part a if lcs 10fA. c. Argue whether the circuit offers a stable biasing strategy. RB Rc Q1 2. In the circuit below. Assume the two transistors are identical with Ics 100fA, and Find the operating points (Ic. VcE) of the...
Look at the circuit below and try not to freak out!). Assume all transistors are in the active mode. You must now decide whether to include or neglect the Early effect (r.) in your model for each transistor - use the rules we established in class (don't just neglect it every time!). & Voc ¢ Voc a VoR Toetan SRE Rino R Fig 2 a) [3 points] Draw a small-signal model for this circuit (this may take a full page...
5. Determine the Ico and Vceo for the emitter-biased common-emitter amplifier circuit show below. Assume B=180. (12 points) Vcc 918 v Rs12330 ks Rc 1,5 k22 Rs2 B V ce 18 220 ke2 RE 30.75 k2 6. Draw the circuit diagram of a common-emitter voltage-divider bias with the following parameters. (12 points) Vcc = 16V, R, -30k1, R2 = 10k22, Rc = 3.3kQ2, Re = 1.5k22, B = 199 (a) Determine lco and Vcro using the approximate method. (b) Determine...