The line width in the range                  of bit rate is specified for ASK heterodyne detection.

Related MCQs

• The optical source used in a fiber is an injection laser with a relative spectral width σλ/λ of 0.0011 at a wavelength of 0.70μm. Estimate the RMS spectral width.
• External modulation for                   modulation format allows the most sensitive coherent detection mechanism.
• For no overlapping of light pulses down on an optical fiber link, the digital bit rate BT must be                        
• The maximum bit rate that may be obtained on an optical fiber link is 1/3Γ.
• An incandescent lamp is operating at a temperature of 1000K at an operating frequency of 5.2×1014 Hz. Calculate the ratio of stimulated emission rate to spontaneous emission rate.
• A GaAs injection laser has a threshold current density of 2.5*103Acm-2 and length and width of the cavity is 240μm and 110μm respectively. Find the threshold current for the device.
• A typically structured glass multimode step index fiber shows as variation of attenuation in range of                        
• Multimode step index fiber has a large core diameter of range is                        
• Which sensors are used for alteration of spectral range in equipment?
• Which type of transmission line accepts the TEM wave?