Lab4.315

# Lab4.315 - EECE 315 Prelab 4 Assume = 100 VBE(active = 0.7...

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EECE 315 Prelab 4 Assume β = 100, V BE(active) = 0.7 V, V BE(sat) = 0.75 V, and V CE(sat) = 0.2 V. 1. Calculate I CQ and V CEQ for parts 1, 3 and 4 given in Lab 4. 2. Determine I CQ and R C for part 5 given in Lab 4.

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EECE 315 Lab 4 1. Let R 1 = 4.7 k , R 2 = 1 k . Connect the circuit shown below. RE 1k R1 R2 - 0 VCC 12V Rc 3.3k CE 1uF Q1 2N3904 0 + VL 2. Measure V B , V E , V C and V L . Calculate I B , I C , I E , V BE , V CE , and the value of I C / I B . Identify the bias region (active, saturation, cut off). Indicate the directions of all current variables on the circuit diagram. 3. Let R 1 = 51 k , R 2 = 1 k . Repeat step 2. 4. Let R 1 = 4.7 k , R
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Lab4.315 - EECE 315 Prelab 4 Assume = 100 VBE(active = 0.7...

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