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why do we prefer germanium diodes in low voltage applications ? transistor is commonly used in common emitter arrangement.justify

  1. why do we prefer germanium diodes in low voltage applications ?
  2. transistor is commonly used in common emitter arrangement.justify
 
 
 

Grade:12

1 Answers

Saurabh Koranglekar
askIITians Faculty 10335 Points
5 years ago
Smaller band gap
The larger intrinsic carrier concentration
Higher permittivity
Higher carrier mobility
lower forward drop

Ge photodiodes can detect longer wavelengths. In cost effective systems, they will work at 1.5um, and they will workwellat 1.3um

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