The frequency deviation at frequencies above 1 MHz is typically                          

Related MCQs

•                        offers the potential for improving the coherent optical receiver sensitivity by increasing the choice of signalling frequencies.
• A typically structured glass multimode step index fiber shows as variation of attenuation in range of                        
• The cut off frequency of the TEM wave is
• Frequency domain measurement is the preferred method for acquiring the bandwidth of multimode optical fibers.
• 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 semiconductor laser crystal of length 5 cm, refractive index 1.8 is used as an optical source. Determine the frequency separation of the modes.
• Considering the values given below, calculate the mode separation in terms of free space wavelength for a laser. (Frequency separation = 2GHz, Wavelength = 0.5 μm)
• The phase frequency response of the system should be                          in order to minimize inter-symbol interference.
•                          is also known as frequency- shaping filter.
• In                  the optical channel bandwidth is divided into non-overlapping frequency bands.