Active filters | Baamboozle - Baamboozle | The Most Fun Classroom Games!

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15

A Notch Filter is another name for which type of filter?

A band-stop

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15

4 What active component is most commonly used in active filters?

An OP Amp

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25

Active filters are excellent for "Isolation." What does this mean?

High input impedance and low output impedance prevents loading.

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10

True or False: Passive filters can provide a power gain greater than 1.

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25

What happens to the gain of an active filter if the input frequency exceeds the Op-Amp's bandwidth?

The gain drops off (due to the Gain-Bandwidth Product).

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15

What do we call a filter that allows a specific range of frequencies to pass through?

A band-pass filter

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25

What is a major disadvantage of using inductors in low-frequency passive filters?

They become bulky, heavy, and expensive.

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10

Which type of filter requires an external power supply to function?

Active filters

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25

Why are active filters generally NOT used for high-power applications?

Op-amps are limited by their output current and voltage rails.

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20

Does an active filter produce more or less thermal noise than a passive filter?

More (due to the active electronic components).

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15

Which filter type is easier to tune (change the frequency) without affecting the load?

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10

What are the two primary components used in a passive filter?

Resistors and Capacitors (or Inductors).

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