Certified Biomedical Equipment Technician (CBET) Practice Exam 2026 – Comprehensive All-In-One Guide for Exam Success!

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What is the purpose of a high pass filter circuit?

Filter out all frequencies above the design point

Filter out all frequencies below the design point

A high pass filter circuit is designed to allow signals with a frequency higher than a certain cutoff frequency (the design point) to pass through while attenuating signals with frequencies lower than that point. Therefore, filtering out all frequencies below the design point is the defining characteristic of a high pass filter.

In practical applications, this means that a high pass filter will block low-frequency noise and other unwanted signals, making it useful in various electronic circuits where it's important to isolate high-frequency signals, such as in audio systems, communications, and signal processing. The design and implementation of high pass filters can vary, but their primary role remains consistent in allowing higher frequencies to be transmitted while reducing the impact of lower frequencies.

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Pass a range of frequencies around a design point

Filter out a range of frequencies around the design point

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