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Unformatted text preview: Experiment #1 Common Emitter BJT Amplifier Executive Summary: A Common Emitter BJT amplifier is a certain kind of biased circuit where the emitter has no power source connected. In our circuit, the collector has the DC voltage to bias the circuit and the base is connected to the function generator which is amplified. We used a β- independent circuit for our lab. The values of the resistor was calculated such that the circuit is biased at V CE = 6V and I C = 1mA. We have calculated the gains for the loaded and unloaded condition. The gain was more when the circuit was unloaded. The gain was inverted due to the current from the collector was opposite of the current through the base. As a result, the voltage drop across the load was opposite of the input voltage. Objective: To experiment on design, analysis, construction and testing of a bipolar junction transistor common emitter amplifier....
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