In video amplifiers, compensation for the...

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Question 1 of 20BIFPUoL0W7YV9C1NGBCI

In video amplifiers, compensation for the input and output stage capacitances must be accomplished to prevent distorting the video pulses. This compensation is normally accomplished by connecting:

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Question 1 of 20

BIFPUoL0W7YV9C1NGBCI

In video amplifiers, compensation for the input and output stage capacitances must be accomplished to prevent distorting the video pulses. This compensation is normally accomplished by connecting:

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🔍 Key Concepts

• RC time constants and how they affect the shape of fast pulses • How capacitance at the input and output of an amplifier tends to roll off high frequencies (low‑pass effect) • The typical way to extend high‑frequency response in video amplifiers handling fast edges

💭 Think About

• Think about what extra element you would add with a capacitor if you wanted to speed up the response and preserve sharp pulse edges, rather than slow them down. • For each option, imagine the effect on high‑frequency components of the video signal: would that configuration tend to emphasize or to attenuate those high‑frequency components? • Consider why ordinary resistors across the capacitances might not be ideal for preserving fast edges and wide bandwidth.

✅ Before You Answer

• Review how a capacitor in parallel with a resistor or inductor behaves at high frequencies vs low frequencies. • Check which configuration would best counteract the low‑pass effect introduced by the input and output capacitances, effectively flattening or extending the bandwidth. • Make sure the chosen option is consistent with typical video or wideband amplifier compensation techniques, not audio‑frequency methods.

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Question 1 of 20BIFPUoL0W7YV9C1NGBCI

In video amplifiers, compensation for the input and output stage capacitances must be accomplished to prevent distorting the video pulses. This compensation is normally accomplished by connecting:

Back

Question 1 of 20

BIFPUoL0W7YV9C1NGBCI

In video amplifiers, compensation for the input and output stage capacitances must be accomplished to prevent distorting the video pulses. This compensation is normally accomplished by connecting:

No comments yet

Be the first to share your thoughts!

If the question has a related picture, it will appear here.

🔍 Key Concepts

💭 Think About

✅ Before You Answer

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