Which Statement Best Describes the Action of an OTA Amplitude

question 6

Multiple Choice

Which statement best describes the action of an OTA amplitude modulator?

• A)The power supply bias adjusts the output level.
• B)Variations of light intensity adjust the gain of the amplifier.
• C)The variations of voltages applied to the current bias input adjusts the gain of the amplifier.
• D)The OTA is versatile and can be configured to work in any of these ways.

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Definitions:

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