Television Broadcasting
Television Broadcasting
pcm is used in mobile...
radio stations operating at various frequencies.
Analog tv broadcast systems
Pulse position modulation offers high noise immunity, efficient use of bandwidth, and easy implementation with digital circuits. This modulation technique is particularly useful in applications requiring high data transmission rates and reliable communication in noisy environments.
Delta modulation is extremely important for high-tech lives that humans live today. Delta modulation is basically analog to digital and digital to analog signal providers, allowing for radio communication devices such as TV remotes.
PWM finds use in power applications like dc motor speed control
Its used in collector amplitude modulation,Radio frequency recievers ..etc
AM - Amplitude Modulation FM - Frequency Modulation
modulation
Frequency Modulation and Phase Modulation
In olden days all radio stations followed only amplitude modulation to propagate the signals. Presently still some of the radio stations follow the same and mostly have switched over to frequency modulation. Especailly in tv transmission the picture signal is propagated only by amplitude modulation.