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Direct Coupled Amplifier Video Lecture | Analog and Digital Electronics - Electrical Engineering (EE)
FAQs on Direct Coupled Amplifier Video Lecture - Analog and Digital Electronics - Electrical Engineering (EE)
| 1. What is a direct coupled amplifier in electrical engineering? |  |
Ans. A direct-coupled amplifier is an amplifier circuit in which the output of one stage is directly connected to the input of the next stage without using any coupling capacitors or transformers.
| 2. What are the advantages of using direct-coupled amplifiers? | |
Ans. The advantages of using direct-coupled amplifiers include improved frequency response, reduced distortion, and better efficiency compared to capacitively or inductively coupled amplifiers.
| 3. How does a direct-coupled amplifier differ from a transformer-coupled amplifier? | |
Ans. In a direct-coupled amplifier, the output of one stage is connected directly to the input of the next stage without the use of a transformer. In contrast, a transformer-coupled amplifier uses transformers to couple the stages together.
| 4. What are the limitations of direct-coupled amplifiers? | |
Ans. Direct-coupled amplifiers may have limitations such as DC offset issues, sensitivity to temperature variations, and the need for careful biasing to ensure proper operation.
| 5. How can DC offset issues be minimized in direct-coupled amplifiers? | |
Ans. DC offset issues in direct-coupled amplifiers can be minimized by using feedback techniques, offset nulling circuits, or DC blocking capacitors at the input or output of the amplifier stages.
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Sep 22, 2025
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