ECE 301 - Lab 4

Q3 (a) Figure Q3(a) shows the circuit diagram diode as a clamper. (i) Name the type of clamper. Determine the overall output voltage, Vout) of the circuit. Show all the calculations and support your answer with the aid of diagram. (iii) Sketch and label clearly the output voltage in parallel with the input voltage. The input voltage is shown in Figure Q3(b). +с - + Si Vin R = 1kn VOUT Voc= 7V Figure Q3(a) Vin 10 - 10 Figure Q3(b)

Consider the circuit shown in the figure. 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 8 ranges from 105 to 310. It is desired for Rp to have the largest possible value while meeting Part A the other constraints. Determine the value of RR. (Figure 1) Express your answer to three significant figures and include the appropriate units. HẢ Rp = Omega Submit Previous Answers Request Answer Figure < 1 of 1 +15 V Part B Determine the value of RE. 1 k2 Express your answer to three significant figures and include the appropriate units. RB VBEQ = 0.7 V HẢ ? 5 V RE RE = Omega Submit Previous Answers Request Answer

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5. Determine the voltage across R3 (V) and current (1) for the circuit shown below. Consider D3, D2 are silicon made diodes and D4 is germanium made diode. + v1 5 V R1 100 D3 D2 wo R3 150 D www R2 190 0 DI

3. Based on an old quiz problem related to half-wave rectifièr design. You may need your design if we have cold weather this winter. for charging your 12 VDC car battery. You are to design a battery eharger for safe operation in a damp garage environment to use RI Current Ling Resor R1 TXI Fuse 12 Vot Car Bater Metal Case Design specifications include: (a) Input is a 110rms VAC. (Vp=110x v2) at 60 Hz from a three wire service that meets the National Electrical Code. (b) Output is a nominal 12 volts VDC at the cathode of the diode. (c) Specify a resistor, R, to limit the maximum battery charging current to 10 amperes into the 12 volt car battery assuming the battery is completely dead (0 volts) when you first connect the charger. A not uncommon occurrence over the last two weeks of sub-zero temperatures. (d) There is no ripple voltage design specification. Explain why this is unnecessary in this application. (e) The battery charger case is metal. (f) Assume a diode with VF= 0.7 V (g)…

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For the circuit shown, the battery has a voltage of 13 V, the resistor has a resistance of 100 Ω, and the diode has a zener voltage of 6 V. Determine the maximum current iL that can be supplied to the load while the diode regulates the current. voltage.   NEED A NEAT HAND WRITTEN SOLUTION WITH EXPLANATION ONLY OTHERWISE WILL LEAVE A DOWNVOTE..

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