an_1288-2.pdf | | Configuring the HP 4396B
for O/E Testing
Application Note 1288-2
Introduction The recent trend in cable television (CATV) is the need for more
selections, or channels, and the possibility of having interactive TV
services such as On-Line-Banking and Movies-on-Demand. These
requirements are pushing the limits of the copper cabling already laid out
for today's CATV systems and these systems are not able to provide the
"500 channels" of TV for the future. The industry is now changing from
copper cable to fiber optic cable to carry the signals to the consumer.
The fiber optic cable carries the channel information as light signals, but
all major TV equipment works upon electrical signals. Hence, tomorrow's
CATV systems needs both electrical-to-optical converters (E/O) and
optical- |