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In the construction of tunnnel diode,why is the pellet soldered to anode contact and a tindot to cathode contact via a mesh screen?
- a)for better conduction and reduce inductance respectively
- b)for heat dissipation and increase conduction respectively
- c)for heat dissipation and reduce induction respectively
- d)none
Correct answer is option 'C'. Can you explain this answer?
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Verified Answer
In the construction of tunnnel diode,why is the pellet soldered to ano...
Anode goes through better heat dissipation. So the pellet is used for the purpose. The tindot via mesh screen resists inductive effects caused at the cathode. Conduction is an independent factor which can’t be controlled.
Most Upvoted Answer
In the construction of tunnnel diode,why is the pellet soldered to ano...
Introduction:
In the construction of a tunnel diode, the pellet is soldered to the anode contact and a tin dot is soldered to the cathode contact via a mesh screen. This arrangement serves two important purposes: heat dissipation and reducing inductance.
Heat Dissipation:
- The pellet, which is the active region of the tunnel diode, generates heat during operation. This heat needs to be dissipated to prevent excessive temperature rise, which can affect the performance and reliability of the diode.
- The soldering of the pellet to the anode contact and the tin dot to the cathode contact provides a low-resistance path for heat transfer away from the active region.
- The anode and cathode contacts act as heat sinks, drawing heat away from the pellet and transferring it to the surrounding environment.
- This heat dissipation mechanism helps in maintaining the temperature of the diode within an acceptable range and ensures its proper operation.
Reducing Inductance:
- Inductance is an undesirable property in electronic circuits as it can cause delays and distortions in signal propagation.
- The mesh screen, which is connected to the cathode contact via the tin dot, helps in reducing the inductance in the tunnel diode.
- The mesh screen provides a large surface area for current flow, allowing the current to spread out and minimize the magnetic field associated with it.
- By reducing the magnetic field, the inductance of the circuit is reduced, leading to improved performance of the tunnel diode.
- This is particularly important in high-frequency applications where minimizing inductance is crucial for accurate signal transmission.
Conclusion:
In summary, the soldering of the pellet to the anode contact and the tin dot to the cathode contact via a mesh screen in the construction of a tunnel diode serves two important purposes: heat dissipation and reducing inductance. The soldering arrangement allows for efficient heat transfer away from the active region, preventing excessive temperature rise. The mesh screen helps in reducing inductance by providing a large surface area for current flow and minimizing the magnetic field associated with it. Both of these factors are essential for the proper operation and performance of the tunnel diode.
In the construction of a tunnel diode, the pellet is soldered to the anode contact and a tin dot is soldered to the cathode contact via a mesh screen. This arrangement serves two important purposes: heat dissipation and reducing inductance.
Heat Dissipation:
- The pellet, which is the active region of the tunnel diode, generates heat during operation. This heat needs to be dissipated to prevent excessive temperature rise, which can affect the performance and reliability of the diode.
- The soldering of the pellet to the anode contact and the tin dot to the cathode contact provides a low-resistance path for heat transfer away from the active region.
- The anode and cathode contacts act as heat sinks, drawing heat away from the pellet and transferring it to the surrounding environment.
- This heat dissipation mechanism helps in maintaining the temperature of the diode within an acceptable range and ensures its proper operation.
Reducing Inductance:
- Inductance is an undesirable property in electronic circuits as it can cause delays and distortions in signal propagation.
- The mesh screen, which is connected to the cathode contact via the tin dot, helps in reducing the inductance in the tunnel diode.
- The mesh screen provides a large surface area for current flow, allowing the current to spread out and minimize the magnetic field associated with it.
- By reducing the magnetic field, the inductance of the circuit is reduced, leading to improved performance of the tunnel diode.
- This is particularly important in high-frequency applications where minimizing inductance is crucial for accurate signal transmission.
Conclusion:
In summary, the soldering of the pellet to the anode contact and the tin dot to the cathode contact via a mesh screen in the construction of a tunnel diode serves two important purposes: heat dissipation and reducing inductance. The soldering arrangement allows for efficient heat transfer away from the active region, preventing excessive temperature rise. The mesh screen helps in reducing inductance by providing a large surface area for current flow and minimizing the magnetic field associated with it. Both of these factors are essential for the proper operation and performance of the tunnel diode.
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In the construction of tunnnel diode,why is the pellet soldered to anode contact and a tindot to cathode contact via a mesh screen?a)for better conduction and reduce inductance respectivelyb)for heat dissipation and increase conduction respectivelyc)for heat dissipation and reduce induction respectivelyd)noneCorrect answer is option 'C'. Can you explain this answer?
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In the construction of tunnnel diode,why is the pellet soldered to anode contact and a tindot to cathode contact via a mesh screen?a)for better conduction and reduce inductance respectivelyb)for heat dissipation and increase conduction respectivelyc)for heat dissipation and reduce induction respectivelyd)noneCorrect answer is option 'C'. Can you explain this answer? for Electrical Engineering (EE) 2024 is part of Electrical Engineering (EE) preparation. The Question and answers have been prepared according to the Electrical Engineering (EE) exam syllabus. Information about In the construction of tunnnel diode,why is the pellet soldered to anode contact and a tindot to cathode contact via a mesh screen?a)for better conduction and reduce inductance respectivelyb)for heat dissipation and increase conduction respectivelyc)for heat dissipation and reduce induction respectivelyd)noneCorrect answer is option 'C'. Can you explain this answer? covers all topics & solutions for Electrical Engineering (EE) 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for In the construction of tunnnel diode,why is the pellet soldered to anode contact and a tindot to cathode contact via a mesh screen?a)for better conduction and reduce inductance respectivelyb)for heat dissipation and increase conduction respectivelyc)for heat dissipation and reduce induction respectivelyd)noneCorrect answer is option 'C'. Can you explain this answer?.
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