ECET_220_W2

Laboratory Report Cover/Worksheet DeVry University College of Engineering and Information Sciences

Course Number: ECET220

Professor:

Laboratory Number: 2

Laboratory Title: Analysis of BJT Amplifier Classes of Operation using Simulation and Actual Construction

Submittal Date: Click here to enter a date.

Objectives:

Results:

Conclusions:

Team:
	Name		Program		Signature
	Name		Program		Signature
	Name		Program		Signature

Observations/Measurements:

III. A. 1. Theoretical analysis of the circuit:

Calculate Voltages Below	Voltages (V)
Voltage from emitter to common (VE) =
Voltage from collector to common (VC)
Voltage from base to common (VB)
Calculate: Voltage drop between collector and emitter (VCE)
Calculate: Voltage drop between base and emitter (VBE)
Voltage across the collector resistor (R2)
Calculate Current Below	Current (mA)
Collector current

Table 1

III. B. 2. Multisim simulation and circuit measurements:

Calculate Voltages Below	Voltages (V)
Voltage from emitter to common (VE)
Voltage from collector to common (VC)
Voltage from base to common (VB)
Calculate: Voltage drop between collector and emitter (VCE)
Calculate: Voltage drop between base and emitter (VBE)
Voltage across the collector resistor (R2)
Calculate Current Below	Current (mA)
Collector current

Table 2

III. B. 5. Paste input and output waveforms from oscilloscope below:

Input waveform:

Output waveform:

a. What is the peak to peak voltage of Vin from the Oscilloscope waveform?

Peak to peak voltage of Vin =

b. What is the peak to peak voltage of Vout from the Oscilloscope waveform?

Peak to peak voltage of Vout =

c. Are the Vin and Vout waveforms in phase or out of phase?

Are Vin and Vout waveforms in phase?

d. Calculate the voltage gain (AV) of this circuit?

voltage gain (AV) =

III. B. 7. Paste input and output waveforms from oscilloscope below:

Input waveform:

Output waveform:

a. What is the peak to peak voltage of Vin from the Oscilloscope waveform?

Peak to peak voltage of Vin =

b. What is the peak to peak voltage of Vout from the Oscilloscope waveform?

Peak to peak voltage of Vout =

III. C. 1. Place a digital photo of your circuit below:

III. C. 3. Hardware circuit and circuit measurements:

Calculate Voltages Below	Voltages (V)
Voltage from emitter to common (VE)
Voltage from collector to common (VC)
Voltage from base to common (VB)
Calculate: Voltage drop between collector and emitter (VCE)
Calculate: Voltage drop between base and emitter (VBE)
Voltage across the collector resistor (R2)
Calculate Current Below	Current (mA)
Collector current

Table 3

III. C. 4. Paste input and output waveforms from oscilloscope below:

Input waveform:

Output waveform:

a. What is the peak to peak voltage of Vin from the Oscilloscope waveform?

Peak to peak voltage of Vin =

b. What is the peak to peak voltage of Vout from the Oscilloscope waveform?

Peak to peak voltage of Vout =

c. Are the Vin and Vout waveforms in phase or out of phase?

Are Vin and Vout waveforms in phase ?

d. Calculate the voltage gain (AV) of this circuit?

voltage gain (AV) =

III. C. 6. Paste input and output waveforms from oscilloscope below:

Input waveform:

Output waveform:

a. What is the peak to peak voltage of Vin from the Oscilloscope waveform?

Peak to peak voltage of Vin =

b. What is the peak to peak voltage of Vout from the Oscilloscope waveform?

Peak to peak voltage of Vout =

IV. Summary – Please answer the following questions:

a) Did your theoretical calculations closely match the results obtained from the Multisim simulation? (Yes, No)

Comments:

  

b) Did your theoretical calculations closely match the results obtained from the Proto Board circuit? (Yes, No)

Comments:

c) Did your results obtained from the Multisim simulation closely match the results obtained from the Proto Board circuit? (Yes, No)

Comments:

Deliverable	Points Available	Points Achieved
Laboratory Cover page	5
Working Circuit(s)/Simulation	8
Observations/Measurements	10
Questions	7
Total Points	30
Comments:

ECET-220 Lab 2 Worksheet DeVry University Page 6 of 6