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25-26 EE2070: Analogue Electronic Systems

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Choose from the options below the correct differential gain equation for the

most commonly used instrumentation amplifier.

Instrumentation Ampliifer

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Choose from the options below the correct differential gain equation for the

most commonly used instrumentation amplifier.

Instrumentation Ampliifer

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Choose the statement that best describes in-amps from the options below.

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The main pitfall of traditional differential amplifier circuits is that they can suffer from resistor mis-match due to unknown non-zero source resistances, this results in what effect(s)?

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What is the generalised formula for the voltage gain of a standard differential amplifier shown in the figure below:

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In the following improved bipolar operational amplifier, which transistors form active loads?

bipolar operational amplifier

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In the following simple operational amplifier circuit, what role does transistor T5 perform?

simple op-amp circuit

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What are the AC small signal characteristics of the long-tailed pair differential amplifier stage?

Long-tailed pair

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The following Widlar mirror has been configured to provide 50 μA through Q2 (  ), with a ratio of .  Assuming that the thermal voltage, VT = 26 mV, determine the correct value of emitter resistor, RE. Select the closest answer.

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The following Wilson Mirror is set to provide a constant current to its load.  Given that the supply voltage is 15V and assuming that VBE = 0.6V for all BJTs, what is the value of this current, IL?

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