Essays Tagged: "Quadrature amplitude modulation"

Comparison of Cable modems to DSL

z). An upstream channel carved out of the currently unused band between 5 and 50 MHz. Using 64 QAM (Quadrature Amplitude Modulation), a downstream channel can realize about 30 Mbps (the speed of 10 Mb ...

(5 pages) 63 0 5.0 Oct/2004

Subjects: Science Essays > Computer Science > Internet and networking

Analog and Digital Comparison

for today's radio broadcasts but they have also been used in the transference of data as well. QAM (quadrature amplitude modulation) is considered more of a digital signal but it uses two AM signals w ... o very resistant to noise but it prone to more data loss and requires more expensive equipment,QAM (Quadrature Amplitude Modulation). The advantage of QAM is that it uses two signals over one channel. ...

(6 pages) 0 0 0.0 Jun/2014

Subjects: Science Essays > Technology