Modulation scheme: Difference between revisions

Revision as of 13:10, 13 September 2004

The Modulator converts a input signal into a form suitable for RF transmission. The Demodulator recovers the original signal.

**Analog Modulation Schemes**
Shortform	Name
AM	Amplitude Modulation
FM	Frequency Modulation

**Digital Modulation Schemes**
Shortform	Name
BPSK	Binary Phase Shift Keying
QPSK	Quadrature Phase Shift Keying
QAM-16	16-state Quadrature Amplitude Modulation
QAM-32	32-state Quadrature Amplitude Modulation
QAM-64	64-state Quadrature Amplitude Modulation
QAM-128	128-state Quadrature Amplitude Modulation
QAM-256	256-state Quadrature Amplitude Modulation
8VSB	8-state Vestigial Side Band Modulation

@@ Line 1: / Line 1: @@
+The [[Modulator]] converts a input signal into a form suitable for RF transmission. The [[Demodulator]] recovers the original signal.
+{| border="1" cellpadding="5" cellspacing="0" align="center"
+|+'''Analog Modulation Schemes'''
+|-
+! style="background:#ffdead;" | Shortform
+! style="background:#ffdead;" | Name
+|-
+! style="background:#efefef;" | [[AM]]
+! [[Amplitude Modulation]]
+|-
+! style="background:#efefef;" | [[FM]]
+! [[Frequency Modulation]]
+|-
+|}
 {| border="1" cellpadding="5" cellspacing="0" align="center"
 |+'''Digital Modulation Schemes'''
@@ Line 28: / Line 45: @@
 ! style="background:#efefef;" | [[8VSB]]
 ! 8-state [[Vestigial Side Band]] Modulation
-|-
-|}
-{| border="1" cellpadding="5" cellspacing="0" align="center"
-|+'''Analog Modulation Schemes'''
-|-
-! style="background:#ffdead;" | Shortform
-! style="background:#ffdead;" | Name
-|-
-! style="background:#efefef;" | [[AM]]
-! [[Amplitude Modulation]]
-|-
-! style="background:#efefef;" | [[FM]]
-! [[Frequency Modulation]]
 |-
 |}