Phase modultion is one of the three ways of modulating or altering a signal so that it is able to carry information. The other two are amplitude and frequency modulation. Phase modulation is used in high speed modems.
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sending data between two electronic or networking devices by using modem or other devices, using data forms (a typical data form ,means set of frequences) send a modem or other devices. sending data into typical forms is caled modulation of data.when receiving data ,equipments process demodulation. sending data between two electronic or networking devices by using modem or other devices, using data forms (a typical data form ,means set of frequences) send a modem or other devices. sending data into typical forms is caled modulation of data.when receiving data ,equipments process demodulation.
Phase modulation is used for low frequency in audio and radio. This represents information and carries a signal that is not to be confused with frequency modulation.
the modulation system is of FM
Frequency modulation Phase modulation
QAM is a combination of phase modulation & amplitude modulation.
whatbis GMSK MODULATION ?
Collector modulation is the amplitude modulation in which modulator varies the collector voltage of a transistor.