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2 cards from this section. Quick, good the night before a test.
What is the role of BJTs in a differential amplifier?
Think about the function of transistors in amplifiers.
Define the term 'DC operating point'.
What ensures that the transistors do not saturate?
What is the key function of a differential amplifier?
Consider what the output reflects.
True or False: A higher common mode gain is preferable in a differential amplifier.
Think about how unwanted noise affects your desired signal.
Design a differential amplifier with given specifications where the desired differential mode gain is 100 and common mode gain is as low as possible. Calculate component values.
Consider defining ratios for your resistor values and affecting transistor properties to achieve gain parameters.
Evaluate how the input signal level influences the output performance when the tail resistor’s value is altered. Provide mathematical analysis.
Link the tail resistor variation with the input signal characteristics and overall gain.
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