The optical 3 dB point occurs when currents ratio is equal to ________ – McqOptions

MCQOPTIONS

1.	The optical 3 dB point occurs when currents ratio is equal to _____________
A.	( frac{8}{3} )
B.	( frac{2}{2} )
C.	( frac{1}{2} )
D.	( frac{3}{4} )
Answer» D. ( frac{3}{4} )

Discussion

No Comment Found

Related MCQs

Determine CW operating lifetime for LED with rt = -0.58 and degradation rate r = 7.86*10-11 h-1.
Determine degradation rate rif constant junction temperature is 17 degree celsius.
The 3 dB electrical bandwidth B is 42 MHz. Determine 3dB optical bandwidth Bopt.
The optical power at 20 MHz is 246.2 W. Determine dc drive current applied to device with carrier recombination lifetime for LED of 6ns.
When a constant d.c. drive current is applied to device, the optical o/p power is 320 m. Determine optical o/p power when device is modulated at frequency 30 MHz with minority carrier recombination lifetime of LED i.e. 5ns.
The optical 3 dB point occurs when currents ratio is equal to _____________
The active layer composition must be adjusted if a particular center wavelength is desired.
Linearizing circuit techniques are used for LEDs.