1. mf/3
2. mf
3. 3 mf
4. 9 mf
3 mf
1. 5 δ
2. indeterminate
3. δ/5
4. δ
δ
1. y = AB
2. Y = AB
3. y = A + B
4. y = A + B
y = A + B
1. amplitude modulation
2. phase modulation
3. frequency modulation
4. all of the above
frequency modulation
1. ABCD
2.
3. A + B + C + D
4.
1. Better noise immunity is provided
2. Lower bandwidth is required
3. The transmitted power is more useful
4. Less modulating power is required
Lower bandwidth is required
1. 1000 KHz, 300 Hz, 800 Hz and 2 KHz
2. 1300 KHz, 1800 Hz, 2100 Hz and 4100 Hz
3. 300 Hz, 500 Hz, 1200 Hz and 998 KHZ
4. 998 KHz, 999.2 KHz, 999.7 KHz, 1000.3 KHz. 10008 KHz and 1002.0 KHZ
998 KHz, 999.2 KHz, 999.7 KHz, 1000.3 KHz. 10008 KHz and 1002.0 KHZ
1.
2.
3.
4.
1.
2.
3.
4.
1. buffer stage
2. RF power stage
3. Oscillator stage
4. IF stage
RF power stage