by Dinesh Thakur Category: Communication Networks

There are two different approaches for the transmission of digital signals: baseband transmission and broadband transmission.

Baseband transmission

Baseband transmission means sending a digital signal over a channel without changing the digital signal to an analog signal.

                             Baseband Transmission

                          Low-Pass-Channel

Baseband transmission requires low pass channel for transmission. A low pass channel is a channel whose bandwidth starts from zero.

Broadband Transmission

Broadband transmission means sending a digital signal over a channel after changing the digital signal to analog signal i.e. it requires modulation.

Broadband transmission can use bandpass channel. A bandpass channel is a channel whose bandwidth does not start from zero. A bandpass channel is more available than a lowpass channel.

                          Bandpass channel

If the available channel is bandpass, we cannot send the digital signal directly to the channel, it must be converted to an analog form before transmission.

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Dinesh ThakurDinesh Thakur holds an B.SC (Computer Science), MCSE, MCDBA, CCNA, CCNP, A+, SCJP certifications. Dinesh authors the hugely popular blog. Where he writes how-to guides around Computer fundamental , computer software, Computer programming, and web apps. For any type of query or something that you think is missing, please feel free to Contact us.



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