Q.1 Determine the baud of a FSK signal with a Mask frequency 99 KHz, a space frequency of 101 KHz & a bit rate of 10 kbps?
A) 5000 baud
B) 10000 baud
C) 20000 baud
D) 40000 baud
Q.2 Determine the Bandwidth for an FSK signal with a Mask frequency of 32 KHz, a space frequency is 24 KHz & a bit rate of 4 kbps?
A) 12 KHz
B) 16 KHz
C) 20 KHz
D) 22 KHz
Q.3 The most common modulation system used in telegraphy is ?
A) Frequency Shift Keying
B) Single - tone Modulation
C) Two - tone Modulation
D) Pulse - code modulation
Q.4 The most common circuit for demodulating FSK signal is the?
A) Balanced Modulator
B) Diode detector
C) Product Detector
D) PLL
