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 Which is true statement among the following?
  • a)
    Main function of the detector is to suppress the image signal
  • b)
    Noise is very low in crystal detector
  • c)
    Super -regenerative is less sensitive
  • d)
    Diode detector is more sensitive
Correct answer is option 'D'. Can you explain this answer?
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Which is true statement among the following?a)Main function of the det...
Understanding the Sensitivity of Diode Detectors
Diode detectors are widely used in various applications due to their effectiveness in signal detection. Here's why option 'D' is correct regarding the sensitivity of diode detectors:
1. Function of Diode Detectors
- Diode detectors convert radio frequency (RF) signals into a usable form, typically an audio signal.
- They act as rectifiers, allowing only one polarity of the signal to pass through, which helps in demodulation.
2. High Sensitivity
- Diode detectors are known for their high sensitivity, capable of detecting weak signals.
- They can operate effectively at lower signal levels compared to other detectors, making them suitable for applications like communication systems.
3. Noise Characteristics
- While noise can impact all types of detectors, diode detectors can be designed to minimize noise through specific circuit configurations.
- Their inherent design allows for a clearer distinction between signal and noise, enhancing overall performance.
4. Comparison with Other Detectors
- Super-regenerative detectors, while popular, are generally less sensitive than diode detectors.
- Crystal detectors, although they have low noise levels, do not match the sensitivity of diode detectors in practical applications.
5. Conclusion
- Therefore, the statement that "Diode detector is more sensitive" is true, as these detectors excel in detecting weak signals with minimal noise interference, making them a preferred choice in various technological applications.
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Which is true statement among the following?a)Main function of the det...
Diode detector is more sensitive:


  • Diode detectors are known for their high sensitivity in detecting weak signals.

  • They can efficiently convert high-frequency signals into DC signals for further processing.

  • Due to their simplicity and low noise levels, diode detectors are widely used in various applications.

  • Compared to other types of detectors, diode detectors offer better sensitivity and performance.

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Which is true statement among the following?a)Main function of the detector is to suppress the image signalb)Noise is very low in crystal detectorc)Super -regenerative is less sensitived)Diode detector is more sensitiveCorrect answer is option 'D'. Can you explain this answer?
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