In the CE amplifier shown below, a. Find the transistor DC operating points. Check what region...
i just need help with B, C, D 3) (24 pts) The BJT amplifier shown below. Please answer the following questions. Consider that B=150 VBE=0.75 V and VT-25mV a) What type of amplifier is this? (Select One) CE CE with RE CB b) Find the DC collector current Ic c) Find the transconductance gain gm d) Find the internal small signal voltage gain Au e) Find the input resistance of the small signal amplifier 1) Find the output resistance of...
IX With reference to the transistor amplifier shown in Figure QB4 below d For the bipolar transistor circuit of Figure QB4 the following DC bias conditions were measured: VB made. 1.6 V and VBE =0.6 V. Detemine the value for RA, stating any assumptions e) Using these same conditions, calculate the current in Re and deduce the current in Rc, stating any assumptions made. Hence find the voltage across Rc and explain whether this voltage is suitable for this amplifier...
The circuit below is a common collector (CC) circuit. Assuming VBEON VA, and ß - 100, , VCE.SAT 0.2V, VA 00 Calculate the transistor operating point. a. 1 b. Find the small signal voltage gain, 。 Find the driving point input resistance. c. d. If the input is a sinewave, find the maximum output voltage amplitude before clıpping sets in. B1 CO Q1 RE v,RB2 Assuming VBEON VA, and ß - 100, , VCE.SAT 0.2V, VA 00 Calculate the transistor...
2. CB amplifier is operating with RL Ic should the transistor be biased for the input resistance Rin to equal that of the signal source? What is the resulting overall voltage gain? Assume α 1. 10 kQ, Rc 10 kQ, and Rs.,-50Ω. At what current 2. CB amplifier is operating with RL Ic should the transistor be biased for the input resistance Rin to equal that of the signal source? What is the resulting overall voltage gain? Assume α 1....
4. The amplifier shown below has Rsig-RL 1kQ. Rc 1kQ, RB 47 kQ. β 100, Cc1 a) Find the dc collector current of the transistor b) Find gm and IT c) Neglecting ro, find the midband voltage gain from base to collector (neglect the effect of RB) d) Use the gain obtained in part (c) to find the component of Rin that arises as a result of RB. Hence find Rin. e) Find the overall gain at midband f) Find...
6.5 BI C2 Cl sig in 0 Design the bias circuit of the CE amplifier shown to obtain IE= 0.5 mA and Vc= +6 V. Design for a dc voltage at the base of 5 V and a current through RB2 of 50 μΑ. Let Vcc-+15 V, β-100, and VBE 0.7 V. a) Specify the values of RBi, RB2, RE, and Rc b) Also give the values of the BJT small-signal parameters gm, rr , and ro at the bias...
In a small signal voltage amplifier using a pnp transistor shown below, the voltage gain is 350.2. The value of a-0.95. Find the equivalent model emitter resistance re in Ohms if Rc-4.1K2. The BJT is operating at room temperature and VBE 0.7V RE-10K CCI vi Cc2 Rc In a small signal voltage amplifier using a pnp transistor shown below, the voltage gain is 350.2. The value of a-0.95. Find the equivalent model emitter resistance re in Ohms if Rc-4.1K2. The...
Shown below is a single stage common emitter amplifier with a unipolar dc power supply using an 2N3904 NPN BJT as the active device. It is specified that V+ 40 V, C1 C2CE 100uF, Ro-7.5 k2, REi-5.1kS2, and Ri - 36k52. Design the circuit so that the dc collector current is 2 mA and the magnitude of the small-signal midband voltage gain is 32.3. For the design calculations assume that the base-to- emitter dc voltage drop is 0.65 V, the...
Laboratory 2: Transistor circuit characteristics A. Objectives: 1. To study the basic characteristics of a transistor circuit. 2. To study the bias circuit of a transistor circuit. B. Apparatus: 1. DC Power supply 2. Experimental boards and corresponding components 3. Electronic calculator (prepared by students) 4. Digital camera (prepared by students for photo taking of the experimental results) 5. Laptop computer with the software PicoScope 6 and Microsoft Word installed. 6. PicoScope PC Oscilloscope and its accessories. 7. Digital multi-meter....